Abrégé

A method of manufacturing a rotor of an axial flux permanent magnet machine, the machine having a stator comprising a set of coils wound on respective stator bars and disposed circumferentially at intervals about an axis of the machine, and a rotor comprising a rotor body bearing a set of permanent magnets on a layer of metal laminate and mounted for rotation about the axis, and wherein the rotor and stator are spaced apart along the axis to define a gap therebetween in which magnetic flux in the machine is generally in an axial direction, the method comprising: brazing the metal laminate to the rotor body; and joining the set of permanent magnets to the metal laminate.

Classes IPC  ?

• H02K 15/035 - Procédés ou appareils spécialement adaptés à la fabrication, l'assemblage, l'entretien ou la réparation des machines dynamo-électriques des corps statoriques ou rotoriques comportant des aimants permanents sur le rotor
• H02K 1/2798 - Rotors faisant face axialement à des stators le rotor étant formé de plusieurs aimants disposés sur la circonférence dans lesquels les deux faces axiales du stator font face à un rotor
• H02K 21/24 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents avec des induits fixes et des aimants tournants avec des aimants disposés axialement en face des induits, p. ex. dynamos de bicyclette du type moyeu

Abrégé

A braking system is described in which a synchronous electric machine mechanically coupleable to one or more wheels of a vehicle is used as a means of providing a controllable braking torque in the event that one or more of the components in the power train (for example the battery or inverter powering the synchronous electric machine) is in a fault condition. In such a fault condition, the electric machine generates uncontrolled regenerated currents when the rotor is rotating. A dump resistor is used to dissipate the uncontrolled regenerated currents and one or more switches in the current flow path are used to modulate the power through the dump resistor, thus creating a controllable braking system.

Classes IPC  ?

• B60L 3/00 - Dispositifs électriques de sécurité sur véhicules propulsés électriquementContrôle des paramètres de fonctionnement, p. ex. de la vitesse, de la décélération ou de la consommation d’énergie
• B60L 7/22 - Freinage dynamo-électrique par résistance combiné avec le freinage dynamo-électrique par récupération

Abrégé

We describe a power converter cooling arrangement in which a base has a top plate of a thermally conductive material, and a bottom plate and side walls define a chamber. An inlet and outlet are in fluid communication with the chamber, and the chamber is flooded with a cooling fluid that flows between the inlet and outlet. A PCB of a power converter is mounted to, and thermally coupled with, the top plate, where the PCB receives a plurality of power modules (that are used in the power conversion). The base comprises a plurality of fluid channels for flowing cooling fluid therethrough. Each of the fluid channels is arranged to coincide with a location of one or more components mounted to the PCB.

Classes IPC  ?

• H05K 7/20 - Modifications en vue de faciliter la réfrigération, l'aération ou le chauffage
• H02M 7/00 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continuTransformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif

Abrégé

A rotor for a rotary electric machine is described, the rotor comprising a support disc having opposing first and second faces, a support member, and a plurality of permanent magnets mounted to and retained by the support member, wherein the support member is secured to the first face of the support disc.

Classes IPC  ?

• H02K 1/2798 - Rotors faisant face axialement à des stators le rotor étant formé de plusieurs aimants disposés sur la circonférence dans lesquels les deux faces axiales du stator font face à un rotor
• H02K 15/12 - Imprégnation, chauffage ou séchage des bobinages, des stators, des rotors ou des machines
• H02K 21/24 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents avec des induits fixes et des aimants tournants avec des aimants disposés axialement en face des induits, p. ex. dynamos de bicyclette du type moyeu

Abrégé

A disc shaped rotor that has an axis of rotation and also having a plurality of permanent magnets mounted to a first face of the rotor body circumferentially about the axis of rotation. The rotor has one or more structures arranged on a second face opposed the first face of the rotor body for reducing deflection of the rotor body when the rotor is rotated about the axis.

Classes IPC  ?

• H02K 1/2798 - Rotors faisant face axialement à des stators le rotor étant formé de plusieurs aimants disposés sur la circonférence dans lesquels les deux faces axiales du stator font face à un rotor
• H02K 7/04 - Moyens d'équilibrage

Abrégé

A method of manufacturing permanent magnets for an axial flux permanent magnet machine. The axial flux permanent magnet machine comprises a stator with a set of coils disposed circumferentially at intervals about a machine axis, and a rotor bearing a set of permanent magnets disposed circumferentially at intervals about the machine axis. The rotor and stator are spaced apart to define a gap in which magnetic flux is generally in an axial direction. The method comprises, for each (permanent) magnet, mounting the magnet in a magnet fixture in a cutting position relative to a cutting machine configured to cut along an array of cutting lines, and moving the magnet and the array of cutting lines to simultaneously make an array of cuts across the magnet, each extending through a thickness of the magnet. The cutting machine may be a wire cutting machine.

Classes IPC  ?

• H02K 15/03 - Procédés ou appareils spécialement adaptés à la fabrication, l'assemblage, l'entretien ou la réparation des machines dynamo-électriques des corps statoriques ou rotoriques comportant des aimants permanents
• H02K 1/2798 - Rotors faisant face axialement à des stators le rotor étant formé de plusieurs aimants disposés sur la circonférence dans lesquels les deux faces axiales du stator font face à un rotor
• H02K 21/24 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents avec des induits fixes et des aimants tournants avec des aimants disposés axialement en face des induits, p. ex. dynamos de bicyclette du type moyeu

Abrégé

The semiconductor cooling arrangement comprises one or more semiconductor assemblies, a housing, and one or more baffles. Each semiconductor assembly comprises a heatsink, a semiconductor die, an encapsulant, and electrical connections. The semiconductor die is bonded to the heatsink and contains a semiconductor power device. The encapsulant covers the semiconductor die. The side of the heatsink to which the semiconductor die is bonded extends beyond the encapsulant. The electrical connections pass through the encapsulant and to the semiconductor die. The housing has a chamber for housing the one or more assemblies. Each baffle comprises through-holes arranged such that fluid flows through the through-holes to a region of a respective semiconductor assembly to which the semiconductor power device is mounted, or to a region of the heatsink of the semiconductor assembly opposite a location to which the semiconductor power device is mounted.

Classes IPC  ?

• H05K 7/20 - Modifications en vue de faciliter la réfrigération, l'aération ou le chauffage
• H01L 23/473 - Dispositions pour le refroidissement, le chauffage, la ventilation ou la compensation de la température impliquant le transfert de chaleur par des fluides en circulation par une circulation de liquides
• H01L 23/44 - Dispositions pour le refroidissement, le chauffage, la ventilation ou la compensation de la température le dispositif complet étant totalement immergé dans un fluide autre que l'air
• H01L 23/00 - Détails de dispositifs à semi-conducteurs ou d'autres dispositifs à l'état solide
• H01L 21/56 - Encapsulations, p. ex. couches d’encapsulation, revêtements

Abrégé

We describe a converter for generating a multi-phase output voltage that uses a three-level converter having Upper pairs of switches (Upper and Mid-Lower) and Lower pairs of switches (Lower and Mid-Upper) arranged between positive and negative DC input voltages and an Intermediate DC voltage. A controller controls the Upper and Lower pairs of switches using PWM over a plurality of PWM periods to generate the multi-phase AC output voltages. For each PWM period, the controller controls the respective Upper or Lower pair of switches to apply respectively either a positive or a negative offset voltage simultaneously to each of the phase outputs, wherein the positive and negative offset voltages represent an average peak to peak voltage for the phase output voltage that is offset respectively positively or negatively from the intermediate DC voltage. Advantageously, conduction losses may be reduced when the intermediate DC voltage is not the same as the average phase voltage.

Classes IPC  ?

• H02M 7/487 - Onduleurs bloqués au point neutre
• H02M 1/00 - Détails d'appareils pour transformation

Abrégé

A method of manufacturing a rotor of an axial flux permanent magnet machine, the machine having a stator comprising a set of coils wound on respective stator bars and disposed circumferentially at intervals about an axis of the machine, and a rotor comprising a rotor body bearing a set of permanent magnets on a layer of metal laminate and mounted for rotation about the axis, and wherein the rotor and stator are spaced apart along the axis to define a gap therebetween in which magnetic flux in the machine is generally in an axial direction, the method comprising: brazing the metal laminate to the rotor body; and joining the set of permanent magnets to the metal laminate.

Classes IPC  ?

• H02K 15/03 - Procédés ou appareils spécialement adaptés à la fabrication, l'assemblage, l'entretien ou la réparation des machines dynamo-électriques des corps statoriques ou rotoriques comportant des aimants permanents
• H02K 1/27 - Noyaux rotoriques à aimants permanents
• H02K 15/12 - Imprégnation, chauffage ou séchage des bobinages, des stators, des rotors ou des machines

Abrégé

We describe a converter for generating a multi-phase output voltage that utilises a T-type arrangement of switches. The converter is switchable between a two-level mode, where the Upper and Lower switches are controlled to generate the output phase AC voltage, and a three-level switching mode where the Upper pair of switches (Upper and Mid-Lower switches) and Lower pair of switches (Lower and Mid-Upper switches) are controlled to generate the output phase AC voltage. The controller is configured, for each PWM period, to determine a two-level or three-level switching mode for controlling one or more of the plurality of switches based on the required operating point of the electrical machine and based on load characteristic data for the required operating point of the electrical machine. In the three-level switching mode, a commutation support technique may be used to mitigate voltage spikes in the output phase voltage by clamping the respective phase output voltage to the second DC voltage during a switch transition of one or both of the switches forming the upper pair of switches or one or both of the switches forming the lower pair of switches.

Classes IPC  ?

• H02M 7/487 - Onduleurs bloqués au point neutre
• H02M 1/00 - Détails d'appareils pour transformation
• H02M 1/14 - Dispositions de réduction des ondulations d'une entrée ou d'une sortie en courant continu

Abrégé

We describe a method and controller for controlling an axial flux machine in which an alternating current supplied to the plurality of coils injects a compensation current to reduce a mechanical resonant component of the rotor. The compensation current is a modulated current component added to at least one of the Quadrature Current (Iq) and Direct Current (Id) components (when the alternating current is represented as a vectored DC component), when the rotor is rotating over one or more ranges of rotational speeds. The modulated current component has an electrical frequency that varies over a range of frequencies between a first frequency and a second frequency depending on the rotational speed of the rotor, the range of frequencies including a frequency that is substantially the same as a fundamental mechanical resonant frequency of the rotor, and having a phase that is out of phase with the fundamental mechanical resonant frequency of the rotor.

Classes IPC  ?

• H02P 21/05 - Dispositions ou procédés pour la commande de machines électriques par commande par vecteur, p. ex. par commande de l’orientation du champ spécialement adaptés pour amortir les oscillations des moteurs, p. ex. pour la réduction du pompage
• H02K 11/20 - Association structurelle de machines dynamo-électriques à des organes électriques ou à des dispositifs de blindage, de surveillance ou de protection pour la mesure, la surveillance, les tests, la protection ou la coupure
• H02K 21/24 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents avec des induits fixes et des aimants tournants avec des aimants disposés axialement en face des induits, p. ex. dynamos de bicyclette du type moyeu
• H02P 21/22 - Commande du courant, p. ex. en utilisant une boucle de commande

Abrégé

We describe a power converter cooling arrangement in which a base has a top plate of a thermally conductive material, and a bottom plate and side walls define a chamber. An inlet and outlet are in fluid communication with the chamber, and the chamber is flooded with a cooling fluid that flows between the inlet and outlet. A PCB of a power converter is mounted to, and thermally coupled with, the top plate, where the PCB receives a plurality of power modules (that are used in the power conversion). The base comprises a plurality of fluid channels for flowing cooling fluid therethrough. Each of the fluid channels is arranged to coincide with a location of one or more components mounted to the PCB.

Classes IPC  ?

• H05K 7/20 - Modifications en vue de faciliter la réfrigération, l'aération ou le chauffage

Abrégé

A rotor (10) for a rotary electric machine is described, the rotor (10) comprising a support disc (14) having opposing first and second faces, a support member (20), and a plurality of permanent magnets (22) mounted to and retained by the support member, wherein the support member is secured to the first face of the support disc (14).

Classes IPC  ?

• H02K 1/2798 - Rotors faisant face axialement à des stators le rotor étant formé de plusieurs aimants disposés sur la circonférence dans lesquels les deux faces axiales du stator font face à un rotor
• H02K 21/24 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents avec des induits fixes et des aimants tournants avec des aimants disposés axialement en face des induits, p. ex. dynamos de bicyclette du type moyeu
• H02K 15/12 - Imprégnation, chauffage ou séchage des bobinages, des stators, des rotors ou des machines

Abrégé

A stator having a plurality of stator bars disposed circumferentially at intervals around an axis is provided. Each of the stator bars has a set of windings wound therearound for generating a magnetic field generally parallel to the axis. A plurality of radially outwardly disposed electrical interconnects for connecting two or more windings together are provided radially outwardly of the plurality of stator bars and extending circumferentially along at least a portion of the outer periphery of the stator bars. A plurality of radially inwardly disposed electrical interconnects for connecting two or more windings together are also provided radially inwardly of the stator bars and extending circumferentially along at least a portion of the inner periphery of the stator bars. The outer periphery of the stator is devoid of radially outwardly disposed interconnects along one or more portions.

Classes IPC  ?

• H02K 21/24 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents avec des induits fixes et des aimants tournants avec des aimants disposés axialement en face des induits, p. ex. dynamos de bicyclette du type moyeu
• H02K 1/2798 - Rotors faisant face axialement à des stators le rotor étant formé de plusieurs aimants disposés sur la circonférence dans lesquels les deux faces axiales du stator font face à un rotor
• H02K 3/28 - Schémas d'enroulements ou de connexions entre enroulements
• H02K 5/20 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction avec des canaux ou des conduits pour la circulation d'un agent de refroidissement

Abrégé

Various implementations include an axial flux machine including a rotor bearing a set of permanent magnets and a stator containing electro-magnetic coil assemblies disposed circumferentially at intervals about an axis. Each coil assembly has an axially extending stator tooth, one or more coils wound around the tooth, and one or more end shoes at an end of the stator tooth. The end shoes each have at least one circumferential edge adjacent a neighbouring coil assembly. In some implementations, radially innermost and outermost portions of the at least one circumferential edge are separated by a step projecting from the at least one circumferential edge. In some implementations, at least part of the at least one circumferential edge has a thickness less than a thickness of the inner radial edge thereby reducing a leakage flux between neighbouring electro-magnetic coil assemblies.

Classes IPC  ?

• H02K 1/14 - Noyaux statoriques à pôles saillants
• H02K 1/18 - Moyens de montage ou de fixation des parties magnétiques fixes sur ou aux structures constituant le stator
• H02K 1/2798 - Rotors faisant face axialement à des stators le rotor étant formé de plusieurs aimants disposés sur la circonférence dans lesquels les deux faces axiales du stator font face à un rotor
• H02K 21/24 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents avec des induits fixes et des aimants tournants avec des aimants disposés axialement en face des induits, p. ex. dynamos de bicyclette du type moyeu
• H02K 29/03 - Moteurs ou génératrices à dispositifs de commutation non mécaniques, p. ex. tubes à décharge ou dispositifs à semi-conducteurs avec un circuit magnétique spécialement adapté pour éviter des ondulations du couple ou des problèmes de démarrage autonome

Abrégé

Various implementations include a stator assembly for an axial flux permanent magnet machine. The stator assembly may include a set of stator bars and a set of shoes for the stator bars. A shoe may be provided at one or each end of a stator bar. The stator assembly may further include a set of coils each wound around a respective stator bar. Each shoe has an inner surface adjacent to the end of one of the stator bars. The end of each stator bar has a rim, and each inner surface has a cut-away region over part of the rim to reduce a component of magnetic flux at the end of the stator bar.

Classes IPC  ?

• H02K 21/24 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents avec des induits fixes et des aimants tournants avec des aimants disposés axialement en face des induits, p. ex. dynamos de bicyclette du type moyeu
• H02K 1/14 - Noyaux statoriques à pôles saillants
• H02K 3/42 - Moyens pour éviter ou réduire les pertes par courants de Foucault dans les têtes de bobines, p. ex. par adjonction d'écrans

Abrégé

A semiconductor cooling arrangement. The semiconductor cooling arrangement comprises one or more semiconductor assemblies, a housing, and one or more baffles. Each semiconductor assembly comprises a heatsink, a semiconductor die, an encapsulant, and electrical connections. The semiconductor die is bonded to the heatsink and contains a semiconductor power device. The encapsulant covers the semiconductor die. The side of the heatsink to which the semiconductor die is bonded extends beyond the encapsulant. The electrical connections pass through the encapsulant and to the semiconductor die. The housing is for housing the one or more assemblies in a chamber within the housing, and comprises inlet and outlet ports in fluid communication with the chamber. Each baffle comprises through-holes arranged such that fluid flows through the through-holes to a region of a respective semiconductor assembly to which the semiconductor power device is mounted, or to a region of the heatsink of the semiconductor assembly opposite a location to which the semiconductor power device is mounted.

Classes IPC  ?

• H05K 7/20 - Modifications en vue de faciliter la réfrigération, l'aération ou le chauffage
• H01L 23/473 - Dispositions pour le refroidissement, le chauffage, la ventilation ou la compensation de la température impliquant le transfert de chaleur par des fluides en circulation par une circulation de liquides

Abrégé

A modulation technique is described in which a controller modulates the output AC voltages to introduce an offset to the phase that is most positive or most negative such that the phase is clamped to the +dc supply when the respective phase is most positive and to the −dc supply rail when most negative. The offset is provided by introducing a common mode component voltage to all of the phases over a plurality of output angle segments. In order to reduce the Noise Vibration and Harshness (NVH) and EMI, the common mode component voltage amplitude is varied over the output angles within the respective segment between a minimum and a maximum in order to control a slew rate of the rising or falling edges of the three phase AC output voltages.

Classes IPC  ?

• H02M 7/5387 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs, p. ex. onduleurs à impulsions à un seul commutateur dans une configuration en pont
• H02M 7/537 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs, p. ex. onduleurs à impulsions à un seul commutateur
• H02M 1/00 - Détails d'appareils pour transformation

Abrégé

Described herein is a method of cooling a plurality of power devices, where the power devices are arranged as a plurality of switches used to generate a three-phase output AC voltage. Based on power device stress data, one or more switches (associated with one or more phase output AC voltages) may be identified as requiring more cooling than other of the switches. The switches are controlled to apply a common mode component voltage to each of the three phases for at least a portion of one or more output AC voltage segments. The common mode component voltage has a maximum amplitude that is sufficient to clamp the phase AC output voltage of the identified phase(s) to the positive supply rail voltage and/or negative rail supply voltage when the respective phase AC voltage is approaching respectively the positive supply rail voltage or negative supply rail voltage to cool the identified switch(es).

Classes IPC  ?

• H02M 1/32 - Moyens pour protéger les convertisseurs autrement que par mise hors circuit automatique
• H02M 7/537 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs, p. ex. onduleurs à impulsions à un seul commutateur
• H02M 1/088 - Circuits spécialement adaptés à la production d'une tension de commande pour les dispositifs à semi-conducteurs incorporés dans des convertisseurs statiques pour la commande simultanée de dispositifs à semi-conducteurs connectés en série ou en parallèle
• H02M 7/5395 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs, p. ex. onduleurs à impulsions à un seul commutateur avec commande automatique de la forme d'onde ou de la fréquence de sortie par modulation de largeur d'impulsions
• H02M 7/5387 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs, p. ex. onduleurs à impulsions à un seul commutateur dans une configuration en pont
• H02P 29/68 - Commande ou détermination de la température du moteur ou de l'entraînement basée sur la température d’un composant d’entraînement ou d’un composant semi-conducteur
• H02P 27/08 - Dispositions ou procédés pour la commande de moteurs à courant alternatif caractérisés par le type de tension d'alimentation utilisant une tension d’alimentation à fréquence variable, p. ex. tension d’alimentation d’onduleurs ou de convertisseurs utilisant des convertisseurs de courant continu en courant alternatif ou des onduleurs avec modulation de largeur d'impulsions
• H05K 7/20 - Modifications en vue de faciliter la réfrigération, l'aération ou le chauffage

Abrégé

Described herein is a method of manufacturing a housing for the stator of an axial flux permanent magnet machine. The housing has a cylindrical wall including a metal outer ring lined with a polymer inner ring. The method includes positioning the metal outer ring in an injection moulding machine, and with the injection moulding machine injection moulding a polymer resin onto an inner surface of the metal outer ring to fabricate the polymer inner ring. The polymer inner ring includes a gripping surface arranged to grip a portion of the outer ring, for example moulded around a formation on an inner surface of the metal outer ring. The housing is manufactured using the metal outer ring and the polymer inner ring.

Classes IPC  ?

• H02K 15/12 - Imprégnation, chauffage ou séchage des bobinages, des stators, des rotors ou des machines
• H02K 1/18 - Moyens de montage ou de fixation des parties magnétiques fixes sur ou aux structures constituant le stator
• H02K 21/24 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents avec des induits fixes et des aimants tournants avec des aimants disposés axialement en face des induits, p. ex. dynamos de bicyclette du type moyeu
• B29C 45/14 - Moulage par injection, c.-à-d. en forçant un volume déterminé de matière à mouler par une buse d'injection dans un moule ferméAppareils à cet effet en incorporant des parties ou des couches préformées, p. ex. moulage par injection autour d'inserts ou sur des objets à recouvrir
• B29C 45/00 - Moulage par injection, c.-à-d. en forçant un volume déterminé de matière à mouler par une buse d'injection dans un moule ferméAppareils à cet effet
• B29C 65/16 - Rayon laser
• B29C 65/00 - Assemblage d'éléments préformésAppareils à cet effet

Abrégé

A semiconductor cooling arrangement. The semiconductor cooling arrangement comprises one or more semiconductor assemblies, a housing, and one or more baffles. Each assembly comprises a heatsink and one or more semiconductor power devices mounted on and thermally coupled to the heatsink. The housing is for housing the one or more assemblies in a chamber within the housing, and comprises inlet and outlet ports in fluid communication with the chamber. The baffles are arranged such that fluid flows through each baffle to a respective heatsink. Each baffle comprises through-holes arranged such that fluid flows through the through holes to a region of the semiconductor assembly to which a semiconductor power device is mounted, or to a region of the heatsink opposite a location to which a semiconductor power device is mounted. Each baffle is a printed circuit board, comprising control and/or monitoring circuitry for an adjacent semiconductor assembly, and being electrically connected to the one or more semiconductor power devices of that semiconductor assembly.

Classes IPC  ?

• H01L 23/473 - Dispositions pour le refroidissement, le chauffage, la ventilation ou la compensation de la température impliquant le transfert de chaleur par des fluides en circulation par une circulation de liquides
• H05K 7/20 - Modifications en vue de faciliter la réfrigération, l'aération ou le chauffage

Abrégé

A method of manufacturing permanent magnets for an axial flux permanent magnet machine. The axial flux permanent magnet machine comprises a stator with a set of coils disposed circumferentially at intervals about a machine axis, and a rotor bearing a set of permanent magnets disposed circumferentially at intervals about the machine axis. The rotor and stator are spaced apart to define a gap in which magnetic flux is generally in an axial direction. The method comprises, for each (permanent) magnet, mounting the magnet in a magnet fixture in a cutting position relative to a cutting machine configured to cut along an array of cutting lines, and moving the magnet and the array of cutting lines to simultaneously make an array of cuts across the magnet, each extending through a thickness of the magnet. The cutting machine may be a wire cutting machine.

Classes IPC  ?

• H02K 1/2793 - Rotors faisant face axialement à des stators
• H01F 41/02 - Appareils ou procédés spécialement adaptés à la fabrication ou à l'assemblage des aimants, des inductances ou des transformateursAppareils ou procédés spécialement adaptés à la fabrication des matériaux caractérisés par leurs propriétés magnétiques pour la fabrication de noyaux, bobines ou aimants
• H02K 15/03 - Procédés ou appareils spécialement adaptés à la fabrication, l'assemblage, l'entretien ou la réparation des machines dynamo-électriques des corps statoriques ou rotoriques comportant des aimants permanents
• H02K 21/24 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents avec des induits fixes et des aimants tournants avec des aimants disposés axialement en face des induits, p. ex. dynamos de bicyclette du type moyeu

Abrégé

A cooling arrangement, for cooling power devices such as semiconductor power devices, comprises a housing having sidewalls around the periphery of a baseplate, and a capping plate opposing the baseplate. The housing forms a cavity through which cooling fluid may flow between an inlet and an outlet disposed in the housing. Within the cavity is provided one or more baffles that are arranged to force the cooling fluid flowing between the inlet and outlet along a labyrinthine path through the cavity. At least one of the baffles comprises at least one through-hole, which permit cooling fluid to pass there through from one side of the baffle to the other.

Classes IPC  ?

• H05K 7/20 - Modifications en vue de faciliter la réfrigération, l'aération ou le chauffage
• F28D 1/03 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes pour une seule des sources de potentiel calorifique, les deux sources étant en contact chacune avec un côté de la paroi de la canalisation, dans lesquels l'autre source de potentiel calorifique est une grande masse de fluide, p. ex. radiateurs domestiques ou de moteur de voiture avec des canalisations d'échange de chaleur immergées dans la masse du fluide avec des canalisations en forme de plaques ou de laminés
• F28F 13/06 - Dispositions pour modifier le transfert de chaleur, p. ex. accroissement, diminution en affectant le mode d'écoulement des sources de potentiel calorifique
• F28F 3/02 - Éléments ou leurs ensembles avec moyens pour augmenter la surface de transfert de chaleur, p. ex. avec des ailettes, avec des évidements, avec des ondulations

Abrégé

We describe techniques to reduce DC ripple voltage in an inverter by determining a plurality of switching events for each of the three phases in each Pulse Width Modulation (PWM) period. The switching events provide a desired target output voltage for the respective PWM period. From this determination of the switching events, a comparison can be made to determine a first time period between a first and second switching event across all of the phases, and a second time period between the second and a third switching event across all of the phases. The timing of one or more switching events in only one of the phases in the respective PWM period is adjusted in response to the determined time period being greater than a threshold in order to reduce the determined first or second time period.

Classes IPC  ?

• H02M 7/538 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs, p. ex. onduleurs à impulsions à un seul commutateur dans une configuration push-pull
• H02M 7/5387 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs, p. ex. onduleurs à impulsions à un seul commutateur dans une configuration en pont
• G01R 19/165 - Indication de ce qu'un courant ou une tension est, soit supérieur ou inférieur à une valeur prédéterminée, soit à l'intérieur ou à l'extérieur d'une plage de valeurs prédéterminée
• H02M 1/15 - Dispositions de réduction des ondulations d'une entrée ou d'une sortie en courant continu utilisant des éléments actifs

Abrégé

The present disclosure relates generally to medical imaging and, more particularly, it relates to methods and systems for performing processing of magnetic resonance (MR) imaging of the brain which may be useful in the diagnosis of cognitive disorders. More specifically, the invention includes methods for processing cortical diffusion data from a region of a subject's brain, comprising determining values for the Axial Columnar Refraction (ACR) using values for AngleR and Axial Diffusivity.

Classes IPC  ?

• A61B 5/00 - Mesure servant à établir un diagnostic Identification des individus
• A61B 5/055 - Détection, mesure ou enregistrement pour établir un diagnostic au moyen de courants électriques ou de champs magnétiquesMesure utilisant des micro-ondes ou des ondes radio faisant intervenir la résonance magnétique nucléaire [RMN] ou électronique [RME], p. ex. formation d'images par résonance magnétique
• G01R 33/563 - Amélioration ou correction de l'image, p. ex. par des techniques de soustraction ou d'établissement de moyenne de matériaux en mouvement, p. ex. angiographie à écoulement contrasté

Abrégé

We describe a method and controller for controlling an axial flux machine in which an alternating current supplied to the plurality of coils injects a compensation current to reduce a mechanical resonant component of the rotor. The compensation current is a modulated current component added to at least one of the Quadrature Current (Iq) and Direct Current (Id) components (when the alternating current is represented as a vectored DC component), when the rotor is rotating over one or more ranges of rotational speeds. The modulated current component has an electrical frequency that varies over a range of frequencies between a first frequency and a second frequency depending on the rotational speed of the rotor, the range of frequencies including a frequency that is substantially the same as a fundamental mechanical resonant frequency of the rotor, and having a phase that is out of phase with the fundamental mechanical resonant frequency of the rotor.

Classes IPC  ?

• H02P 21/05 - Dispositions ou procédés pour la commande de machines électriques par commande par vecteur, p. ex. par commande de l’orientation du champ spécialement adaptés pour amortir les oscillations des moteurs, p. ex. pour la réduction du pompage
• H02K 21/24 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents avec des induits fixes et des aimants tournants avec des aimants disposés axialement en face des induits, p. ex. dynamos de bicyclette du type moyeu

Abrégé

A stator having a plurality of stator bars disposed circumferentially at intervals around an axis is provided. Each of the stator bars has a set of windings wound therearound for generating a magnetic field generally parallel to the axis. A plurality of radially outwardly disposed electrical interconnects for connecting two or more windings together are provided radially outwardly of the plurality of stator bars and extending circumferentially along at least a portion of the outer periphery of the stator bars. A plurality of radially inwardly disposed electrical interconnects for connecting two or more windings together are also provided radially inwardly of the stator bars and extending circumferentially along at least a portion of the inner periphery of the stator bars. The outer periphery of the stator is devoid of radially outwardly disposed interconnects along one or more portions.

Classes IPC  ?

• H02K 3/28 - Schémas d'enroulements ou de connexions entre enroulements
• H02K 21/24 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents avec des induits fixes et des aimants tournants avec des aimants disposés axialement en face des induits, p. ex. dynamos de bicyclette du type moyeu
• H02K 5/20 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction avec des canaux ou des conduits pour la circulation d'un agent de refroidissement
• H02K 9/19 - Dispositions de refroidissement ou de ventilation pour machines avec enveloppe fermée et circuit fermé de refroidissement utilisant un agent de refroidissement liquide, p. ex. de l'huile

Abrégé

A cooling arrangement, for cooling power devices such as semiconductor power devices, comprises a housing having sidewalls around the periphery of a baseplate, and a capping plate opposing the baseplate. The housing forms a cavity through which cooling fluid may flow between an inlet and an outlet disposed in the housing. Within the cavity is provided one or more baffles that are arranged to force the cooling fluid flowing between the inlet and outlet along a labyrinthine path through the cavity. At least one of the baffles comprises at least one through-hole, which permit cooling fluid to pass there through from one side of the baffle to the other.

Classes IPC  ?

• H01L 23/367 - Refroidissement facilité par la forme du dispositif
• F28D 1/03 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes pour une seule des sources de potentiel calorifique, les deux sources étant en contact chacune avec un côté de la paroi de la canalisation, dans lesquels l'autre source de potentiel calorifique est une grande masse de fluide, p. ex. radiateurs domestiques ou de moteur de voiture avec des canalisations d'échange de chaleur immergées dans la masse du fluide avec des canalisations en forme de plaques ou de laminés
• F28F 13/06 - Dispositions pour modifier le transfert de chaleur, p. ex. accroissement, diminution en affectant le mode d'écoulement des sources de potentiel calorifique
• H01L 23/473 - Dispositions pour le refroidissement, le chauffage, la ventilation ou la compensation de la température impliquant le transfert de chaleur par des fluides en circulation par une circulation de liquides

Abrégé

A semiconductor arrangement and an inverter incorporating the semiconductor arrangement, in particular to an inverter for use with traction power units e.g. for on and off road vehicles and stationary power inversion, are described. In the arrangement, semiconductor devices are thermally and electrically coupled to a heatsink as a module. The heatsink is configured as a bus bar to electrically connect the one or more semiconductor devices together to transmit power between the one or more semiconductor devices. The semiconductor devices may be cooled using the structure to which they are attached, and also immersed in a cooling medium to further increase the cooling of the device.

Classes IPC  ?

• H01L 23/367 - Refroidissement facilité par la forme du dispositif
• H01L 23/40 - Supports ou moyens de fixation pour les dispositifs de refroidissement ou de chauffage amovibles
• H01L 23/44 - Dispositions pour le refroidissement, le chauffage, la ventilation ou la compensation de la température le dispositif complet étant totalement immergé dans un fluide autre que l'air
• H01L 25/04 - Ensembles consistant en une pluralité de dispositifs à semi-conducteurs ou d'autres dispositifs à l'état solide les dispositifs étant tous d'un type prévu dans une seule des sous-classes , , , , ou , p. ex. ensembles de diodes redresseuses les dispositifs n'ayant pas de conteneurs séparés
• H01L 25/11 - Ensembles consistant en une pluralité de dispositifs à semi-conducteurs ou d'autres dispositifs à l'état solide les dispositifs étant tous d'un type prévu dans une seule des sous-classes , , , , ou , p. ex. ensembles de diodes redresseuses les dispositifs ayant des conteneurs séparés les dispositifs étant d'un type prévu dans la sous-classe
• H01L 23/473 - Dispositions pour le refroidissement, le chauffage, la ventilation ou la compensation de la température impliquant le transfert de chaleur par des fluides en circulation par une circulation de liquides
• H02M 7/00 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continuTransformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif
• H02M 7/44 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif sans possibilité de réversibilité par convertisseurs statiques
• H05K 7/20 - Modifications en vue de faciliter la réfrigération, l'aération ou le chauffage

Abrégé

A gate driver for a semiconductor power device and a method of driving the gate of a semiconductor power device. The current flowing through the semiconductor power device, caused by a first gate drive voltage during the present switching cycle, is sensed. Based on a second drive signal to be used in the next switching cycle, a second current is determined for that second drive signal, which are then compared to an EMC model. The EMC model defines a plurality of EMC values for respective gate drive voltages and currents conducted through the semiconductor power device. A gate drive voltage adjustment value is selected from a plurality of gate drive voltage adjustment values in the EMC model based on the predicted EMC value generated by the semiconductor power device when being driven using the second drive voltage and conducting the second current. The second gate drive voltage is adjusted using the selected gate drive voltage adjustment value for the next switching cycle.

Classes IPC  ?

• H03K 17/16 - Modifications pour éliminer les tensions ou courants parasites

Abrégé

We describe a method of manufacturing a stator of an axial flux permanent magnet machine, the machine having a stator comprising a stator housing defining a chamber comprising a set of coils wound on respective stator bars and disposed circumferentially at intervals about an axis of the machine, and a rotor bearing a set of permanent magnets and mounted for rotation about said axis, and wherein said rotor and stator are spaced apart along said axis to define a gap therebetween in which magnetic flux in the machine is generally in an axial direction, the method comprising: providing first and second radial walls for said stator housing; providing inner and outer side walls for said stator housing; assembling said first and second radial walls and said inner and outer side walls around said set of coils to form a stator assembly, wherein said assembling further comprises: providing one or more collapsible elements between said side walls and one or both of said first and second radial walls; and attaching said side walls to said first and second radial walls, wherein said attaching comprises controlling one or both of a spacing and a degree of parallelism of said first and second radial walls by controlling the collapse of said one or more collapsible elements.

Classes IPC  ?

• H02K 15/02 - Procédés ou appareils spécialement adaptés à la fabrication, l'assemblage, l'entretien ou la réparation des machines dynamo-électriques des corps statoriques ou rotoriques
• H02K 5/02 - Enveloppes ou enceintes caractérisées par le matériau les constituant
• H02K 15/16 - Centrage des rotors dans les stators
• H02K 21/24 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents avec des induits fixes et des aimants tournants avec des aimants disposés axialement en face des induits, p. ex. dynamos de bicyclette du type moyeu
• H02K 1/14 - Noyaux statoriques à pôles saillants

Abrégé

The present invention relates to a semiconductor cooling arrangement for cooling semiconductor devices, such as power semiconductors. The semiconductor cooling arrangement comprises one or more semiconductor assemblies located in a chamber within a housing. The housing comprises inlet and outlet ports for receiving and outputting a cooling medium. The chamber is flooded with a cooling medium to cool the assemblies. The assemblies themselves each comprise a heatsink and one or more semiconductor power devices thermally coupled to the heatsink. The heatsink comprises heat exchanging elements in the form of a plurality of holes in the heatsink extending through the heatsink from one surface to another surface such that the cooling medium flows through the holes to extract heat from the heatsink.

Classes IPC  ?

• H01L 23/473 - Dispositions pour le refroidissement, le chauffage, la ventilation ou la compensation de la température impliquant le transfert de chaleur par des fluides en circulation par une circulation de liquides
• H01L 23/14 - Supports, p. ex. substrats isolants non amovibles caractérisés par le matériau ou par ses propriétés électriques
• H01L 23/36 - Emploi de matériaux spécifiés ou mise en forme, en vue de faciliter le refroidissement ou le chauffage, p. ex. dissipateurs de chaleur
• H01L 23/40 - Supports ou moyens de fixation pour les dispositifs de refroidissement ou de chauffage amovibles

Abrégé

An axial flux machine is provided with an integrated clutch assembly, which is housed within the bore of an annulus-shaped stator of the machine. First and second rotors, located either side of the stator are attached to the clutch basket of the clutch assembly, and rotate in unison relative to the stator. A machine housing is provided between the stator and an engagement face of the clutch basket, seated on bearings between the clutch basket and machine housing, to provide a rigid structure.

Classes IPC  ?

• H02K 7/108 - Association structurelle avec des embrayages, des freins, des engrenages, des poulies ou des démarreurs mécaniques avec des embrayages à friction
• H02K 21/24 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents avec des induits fixes et des aimants tournants avec des aimants disposés axialement en face des induits, p. ex. dynamos de bicyclette du type moyeu
• H02K 15/03 - Procédés ou appareils spécialement adaptés à la fabrication, l'assemblage, l'entretien ou la réparation des machines dynamo-électriques des corps statoriques ou rotoriques comportant des aimants permanents
• H02K 7/08 - Association structurelle avec des paliers
• H02K 1/18 - Moyens de montage ou de fixation des parties magnétiques fixes sur ou aux structures constituant le stator
• H02K 1/20 - Parties fixes du circuit magnétique avec des canaux ou des conduits pour l'écoulement d'un agent de refroidissement
• H02K 1/2793 - Rotors faisant face axialement à des stators
• H02K 7/00 - Dispositions pour la mise en œuvre d'énergie mécanique associées structurellement aux machines dynamo-électriques, p. ex. association structurelle avec des moteurs mécaniques d'entraînement ou des machines dynamo-électriques auxiliaires
• H02K 15/16 - Centrage des rotors dans les stators
• H02K 16/02 - Machines avec un stator et deux rotors

Abrégé

The present invention relates to a semiconductor cooling arrangement for cooling semiconductor devices, such as power semiconductors. The semiconductor cooling arrangement comprises one or more semiconductor assemblies located in a chamber within a housing. The housing comprises inlet and outlet ports for receiving and outputting a cooling medium. The chamber is flooded with a cooling medium to cool the assemblies. The assemblies themselves each comprise a heatsink and one or more semiconductor power devices thermally coupled to the heatsink. The heatsink comprises heat exchanging elements in the form of a plurality of holes in the heatsink extending through the heatsink from one surface to another surface such that the cooling medium flows through the holes to extract heat from the heatsink.

Classes IPC  ?

• H01L 23/44 - Dispositions pour le refroidissement, le chauffage, la ventilation ou la compensation de la température le dispositif complet étant totalement immergé dans un fluide autre que l'air
• H01L 23/367 - Refroidissement facilité par la forme du dispositif
• H01L 25/11 - Ensembles consistant en une pluralité de dispositifs à semi-conducteurs ou d'autres dispositifs à l'état solide les dispositifs étant tous d'un type prévu dans une seule des sous-classes , , , , ou , p. ex. ensembles de diodes redresseuses les dispositifs ayant des conteneurs séparés les dispositifs étant d'un type prévu dans la sous-classe

Abrégé

A semiconductor arrangement and an inverter incorporating the semiconductor arrangement, in particular to an inverter for use with traction power units e.g. for on and off road vehicles and stationary power inversion, are described. In the arrangement, semiconductor devices are thermally and electrically coupled to a heatsink as a module. The heatsink is configured as a bus bar to electrically connect the one or more semiconductor devices together to transmit power between the one or more semiconductor devices. The semiconductor devices may be cooled using the structure to which they are attached, and also immersed in a cooling medium to further increase the cooling of the device.

Classes IPC  ?

• H01L 23/44 - Dispositions pour le refroidissement, le chauffage, la ventilation ou la compensation de la température le dispositif complet étant totalement immergé dans un fluide autre que l'air
• H01L 25/11 - Ensembles consistant en une pluralité de dispositifs à semi-conducteurs ou d'autres dispositifs à l'état solide les dispositifs étant tous d'un type prévu dans une seule des sous-classes , , , , ou , p. ex. ensembles de diodes redresseuses les dispositifs ayant des conteneurs séparés les dispositifs étant d'un type prévu dans la sous-classe
• H01L 23/367 - Refroidissement facilité par la forme du dispositif

Abrégé

An axial flux machine (100) is provided, in which the rotor (104) is cooled via air cooling, provided by impeller blades (140) located on the opposite side of the rotor (104) to the stator (102). An impeller cover (142) covers the impeller blades (140) such that air channels are defined between adjacent blades. The air channels have an air inlet (146) at an inner radial portion of the rotor (104), and an air outlet (146) at the outer radial extremity of the impeller blades (140). As the rotor (104) turns, the air is drawn through the air channel from the air inlet (144) to the air outlet (146). The motor (100) may be enclosed within a housing (120), in which case air ducting (150,152) may be used to guide air to the air inlet (144), and from the air outlet (146) to the outside of the housing (120).

Classes IPC  ?

• H02K 9/06 - Dispositions de refroidissement ou de ventilation par l'air ambiant s'écoulant à travers la machine comportant des moyens pour établir la circulation d'un agent de refroidissement avec des ventilateurs ou des dispositifs d'entraînement mûs par l'arbre de la machine
• H02K 21/24 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents avec des induits fixes et des aimants tournants avec des aimants disposés axialement en face des induits, p. ex. dynamos de bicyclette du type moyeu
• H02K 5/20 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction avec des canaux ou des conduits pour la circulation d'un agent de refroidissement
• H02K 9/18 - Dispositions de refroidissement ou de ventilation dans lesquels l'agent de refroidissement gazeux circule entre l'enveloppe de la machine et une chemise extérieure dans lesquels la partie extérieure du circuit fermé comprend un échangeur de chaleur associé structurellement à l'enveloppe de la machine

Produits et services

Electric motors; electric motors other than for land vehicles; electric motors for mining vehicles, other than land vehicles; electric motors for subterranean mining equipment and vehicles, other than land vehicles; electric motors for vehicles, other than land vehicles; electric motors for boats and water craft; electric motors for amphibious vehicles including hovercraft; electric motors for aircraft; electric motors for tethered aircraft; electric motors for wind turbines including tethered wind turbine aircraft; electric motors for machinery; electric engines; electric engines other than for land vehicles; electric engines for vehicles, other than land vehicles; electric engines for boats and water craft; electric engines for amphibious vehicles including hovercraft; electric engines for aircraft; electric engines for wind turbines; electric engines for machinery; electric starter motors; electric starter motors for jet engines; electric generators; alternating current electrical motors; axial flux electrical motors; direct current electrical motors; electrical generators; electric motors for locomotion on water; electric motors for locomotion under water including submersibles; electric motors for locomotion under water including autonomous underwater vehicles; electric engines for locomotion on water; electric engines for locomotion under water including submersibles; electric engines for locomotion under water including autonomous underwater vehicles; parts and fittings for all of the aforesaid goods. Apparatus and instruments for controlling electricity; electric power supplies; electric inverter power supplies; direct current input power supplies; electric power supplies including generators; electric inverters; electric current inverters; electric inverter power supplies for powering electric vehicles; bi-directional inverter power supplies for powering electric vehicles; electric power supplies including DC/AC, AC/DC inverters and DC/DC converters; electric power supplies for electric motors; multiphase power supplies for electric motors; power controllers for electric motors; batteries; batteries to supply electric power to motors; batteries to supply electric power to motors for electric vehicles; electric power supplies to supply electric power to motors; DC input power supplies to supply electric power to motors for electric vehicles; electric power supplies to charge batteries; electric power supplies to charge batteries to supply electric power to motors; electric power supplies to charge batteries to supply electric power to motors for electric vehicles; electric chargers; electric chargers for batteries; electric chargers for batteries to supply electric power to motors; electric chargers for batteries to supply electric power to motors for electric vehicles; electric power supplies to power electric motors for vehicles and for charging batteries; electrical power control apparatus; electric and electronic power controllers; control apparatus (electronic -); electronic control apparatus; electrical and electronic control systems and apparatus for electric motors and electric vehicles; electrical and electronic control systems and apparatus for battery powered vehicles and other battery powered apparatus; computer software; computer software for the control and monitoring of: power controllers; motor controllers; diagnostic systems and apparatus for electric vehicles, electric motors and battery powered apparatus; electric adapters, boosters, cables, capacitors, circuits, components, connectors, controllers, convertors, diodes, fuses, invertors, leads, relays, resistors, sensors, switches, transformers, transmitters and wires; electrical adapters, boosters, cables, capacitors, circuits, components, connectors, controllers, convertors, diodes, fuses, invertors, leads, relays, resistors, sensors, switches, transformers, transmitters and wires; parts and fittings for all of the aforesaid goods. Electric motors; electric motors for land vehicles; electric motors for vehicles, including land vehicles; electric motors for mining vehicles; electric motors for subterranean mining equipment and vehicles; electric motors for amphibious vehicles including hovercraft; electric engines; electric engines for land vehicles; electric engines for vehicles, including land vehicles; electric engines for mining vehicles; electric engines for subterranean mining vehicles; electric engines for amphibious vehicles including hovercraft; alternating current electrical motors; axial flux electrical motors; direct current electrical motors; parts and fittings for all of the aforesaid goods. Maintenance, repair and servicing of electric motors and their parts; maintenance, repair and servicing of electric power supplies, electric power inverters, electric power converters, electric control systems and their parts, information, advisory and consultancy services in respect of all of the aforesaid. Design of electric motors and their parts; design of electric engines and their parts; research and development of electric motors and their parts; research and development of electric engines and their parts; design of electric power supplies and their parts; design of electric power supplies for powering electric motors; design of electric power supplies for powering electric motors for electric vehicles; design of electric power supplies and generators for powering electric motors and for charging batteries for powering electric vehicles including hybrid vehicles; research and development of electric power supplies and their parts; research and development of electric power supplies for powering electric motors; research and development of electric power supplies for powering electric motors for electric vehicles; research and development of electric power supplies and generators for powering electric motors and for charging batteries for powering electric vehicles including hybrid vehicles; information, advisory and consultancy services in respect of all of the aforesaid.

Produits et services

Electric motors; electric motors other than for land vehicles; electric motors for mining vehicles, other than land vehicles; electric motors for subterranean mining equipment and vehicles, other than land vehicles; electric motors for vehicles, other than land vehicles; electric motors for boats and water craft; electric motors for amphibious vehicles including hovercraft; electric motors for aircraft; electric motors for tethered aircraft; electric motors for wind turbines including tethered wind turbine aircraft; electric motors for machinery; electric engines; electric engines other than for land vehicles; electric engines for vehicles, other than land vehicles; electric engines for boats and water craft; electric engines for amphibious vehicles including hovercraft; electric engines for aircraft; electric engines for wind turbines; electric engines for machinery; electric starter motors; electric starter motors for jet engines; electric generators; alternating current electrical motors; axial flux electrical motors; direct current electrical motors; electrical generators; electric motors for locomotion on water; electric motors for locomotion under water including submersibles; electric motors for locomotion under water including autonomous underwater vehicles; electric engines for locomotion on water; electric engines for locomotion under water including submersibles; electric engines for locomotion under water including autonomous underwater vehicles; parts and fittings for all of the aforesaid goods. Apparatus and instruments for controlling electricity; electric power supplies; electric inverter power supplies; direct current input power supplies; electric power supplies including generators; electric inverters; electric current inverters; electric inverter power supplies for powering electric vehicles; bi-directional inverter power supplies for powering electric vehicles; electric power supplies including DC/AC, AC/DC inverters and DC/DC converters; electric power supplies for electric motors; multiphase power supplies for electric motors; power controllers for electric motors; batteries; batteries to supply electric power to motors; batteries to supply electric power to motors for electric vehicles; electric power supplies to supply electric power to motors; DC input power supplies to supply electric power to motors for electric vehicles; electric power supplies to charge batteries; electric power supplies to charge batteries to supply electric power to motors; electric power supplies to charge batteries to supply electric power to motors for electric vehicles; electric chargers; electric chargers for batteries; electric chargers for batteries to supply electric power to motors; electric chargers for batteries to supply electric power to motors for electric vehicles; electric power supplies to power electric motors for vehicles and for charging batteries; electrical power control apparatus; electric and electronic power controllers; control apparatus (electronic -); electronic control apparatus; electrical and electronic control systems and apparatus for electric motors and electric vehicles; electrical and electronic control systems and apparatus for battery powered vehicles and other battery powered apparatus; computer software; computer software for the control and monitoring of: power controllers; motor controllers; diagnostic systems and apparatus for electric vehicles, electric motors and battery powered apparatus; electric adapters, boosters, cables, capacitors, circuits, components, connectors, controllers, convertors, diodes, fuses, invertors, leads, relays, resistors, sensors, switches, transformers, transmitters and wires; electrical adapters, boosters, cables, capacitors, circuits, components, connectors, controllers, convertors, diodes, fuses, invertors, leads, relays, resistors, sensors, switches, transformers, transmitters and wires; parts and fittings for all of the aforesaid goods. Electric motors; electric motors for land vehicles; electric motors for vehicles, including land vehicles; electric motors for mining vehicles; electric motors for subterranean mining equipment and vehicles; electric motors for amphibious vehicles including hovercraft; electric engines; electric engines for land vehicles; electric engines for vehicles, including land vehicles; electric engines for mining vehicles; electric engines for subterranean mining vehicles; electric engines for amphibious vehicles including hovercraft; alternating current electrical motors; axial flux electrical motors; direct current electrical motors; parts and fittings for all of the aforesaid goods. Maintenance, repair and servicing of electric motors and their parts; maintenance, repair and servicing of electric power supplies, electric power inverters, electric power converters, electric control systems and their parts, information, advisory and consultancy services in respect of all of the aforesaid. Design of electric motors and their parts; design of electric engines and their parts; research and development of electric motors and their parts; research and development of electric engines and their parts; design of electric power supplies and their parts; design of electric power supplies for powering electric motors; design of electric power supplies for powering electric motors for electric vehicles; design of electric power supplies and generators for powering electric motors and for charging batteries for powering electric vehicles including hybrid vehicles; research and development of electric power supplies and their parts; research and development of electric power supplies for powering electric motors; research and development of electric power supplies for powering electric motors for electric vehicles; research and development of electric power supplies and generators for powering electric motors and for charging batteries for powering electric vehicles including hybrid vehicles; information, advisory and consultancy services in respect of all of the aforesaid.

Produits et services

Electric motors; electric motors other than for land vehicles; electric motors for mining vehicles, other than land vehicles; electric motors for subterranean mining equipment and vehicles, other than land vehicles; electric motors for vehicles, other than land vehicles; electric motors for boats and water craft; electric motors for amphibious vehicles including hovercraft; electric motors for aircraft; electric motors for tethered aircraft; electric motors for wind turbines including tethered wind turbine aircraft; electric motors for machinery; electric engines; electric engines other than for land vehicles; electric engines for vehicles, other than land vehicles; electric engines for boats and water craft; electric engines for amphibious vehicles including hovercraft; electric engines for aircraft; electric engines for wind turbines; electric engines for machinery; electric starter motors; electric starter motors for jet engines; electric generators; alternating current electrical motors; axial flux electrical motors; direct current electrical motors; electrical generators; electric motors for locomotion on water; electric motors for locomotion under water including submersibles; electric motors for locomotion under water including autonomous underwater vehicles; electric engines for locomotion on water; electric engines for locomotion under water including submersibles; electric engines for locomotion under water including autonomous underwater vehicles; parts and fittings for all of the aforesaid goods. Apparatus and instruments for controlling electricity; electric power supplies; electric inverter power supplies; direct current input power supplies; electric power supplies including generators; electric inverters; electric current inverters; electric inverter power supplies for powering electric vehicles; bi-directional inverter power supplies for powering electric vehicles; electric power supplies including DC/AC, AC/DC inverters and DC/DC converters; electric power supplies for electric motors; multiphase power supplies for electric motors; power controllers for electric motors; batteries; batteries to supply electric power to motors; batteries to supply electric power to motors for electric vehicles; electric power supplies to supply electric power to motors; DC input power supplies to supply electric power to motors for electric vehicles; electric power supplies to charge batteries; electric power supplies to charge batteries to supply electric power to motors; electric power supplies to charge batteries to supply electric power to motors for electric vehicles; electric chargers; electric chargers for batteries; electric chargers for batteries to supply electric power to motors; electric chargers for batteries to supply electric power to motors for electric vehicles; electric power supplies to power electric motors for vehicles and for charging batteries; electrical power control apparatus; electric and electronic power controllers; control apparatus (electronic -); electronic control apparatus; electrical and electronic control systems and apparatus for electric motors and electric vehicles; electrical and electronic control systems and apparatus for battery powered vehicles and other battery powered apparatus; computer software; computer software for the control and monitoring of: power controllers; motor controllers; diagnostic systems and apparatus for electric vehicles, electric motors and battery powered apparatus; electric adapters, boosters, cables, capacitors, circuits, components, connectors, controllers, convertors, diodes, fuses, invertors, leads, relays, resistors, sensors, switches, transformers, transmitters and wires; electrical adapters, boosters, cables, capacitors, circuits, components, connectors, controllers, convertors, diodes, fuses, invertors, leads, relays, resistors, sensors, switches, transformers, transmitters and wires; parts and fittings for all of the aforesaid goods. Electric motors; electric motors for land vehicles; electric motors for vehicles, including land vehicles; electric motors for mining vehicles; electric motors for subterranean mining equipment and vehicles; electric motors for amphibious vehicles including hovercraft; electric engines; electric engines for land vehicles; electric engines for vehicles, including land vehicles; electric engines for mining vehicles; electric engines for subterranean mining vehicles; electric engines for amphibious vehicles including hovercraft; alternating current electrical motors; axial flux electrical motors; direct current electrical motors; parts and fittings for all of the aforesaid goods. Maintenance, repair and servicing of electric motors and their parts; maintenance, repair and servicing of electric power supplies, electric power inverters, electric power converters, electric control systems and their parts, information, advisory and consultancy services in respect of all of the aforesaid. Design of electric motors and their parts; design of electric engines and their parts; research and development of electric motors and their parts; research and development of electric engines and their parts; design of electric power supplies and their parts; design of electric power supplies for powering electric motors; design of electric power supplies for powering electric motors for electric vehicles; design of electric power supplies and generators for powering electric motors and for charging batteries for powering electric vehicles including hybrid vehicles; research and development of electric power supplies and their parts; research and development of electric power supplies for powering electric motors; research and development of electric power supplies for powering electric motors for electric vehicles; research and development of electric power supplies and generators for powering electric motors and for charging batteries for powering electric vehicles including hybrid vehicles; information, advisory and consultancy services in respect of all of the aforesaid.

Abrégé

We describe a method of manufacturing a stator of an axial flux permanent magnet machine, the machine having a stator comprising a stator housing defining a chamber comprising a set of coils wound on respective stator bars and disposed circumferentially at intervals about an axis of the machine, and a rotor bearing a set of permanent magnets and mounted for rotation about said axis, and wherein said rotor and stator are spaced apart along said axis to define a gap therebetween in which magnetic flux in the machine is generally in an axial direction, the method comprising: providing first and second radial walls for said stator housing; providing inner and outer side walls for said stator housing; assembling said first and second radial walls and said inner and outer side walls around said set of coils to form a stator assembly, wherein said assembling further comprises: providing one or more collapsible elements between said side walls and one or both of said first and second radial walls; and attaching said side walls to said first and second radial walls, wherein said attaching comprises controlling one or both of a spacing and a degree of parallelism of said first and second radial walls by controlling the collapse of said one or more collapsible elements.

Classes IPC  ?

• H02K 15/02 - Procédés ou appareils spécialement adaptés à la fabrication, l'assemblage, l'entretien ou la réparation des machines dynamo-électriques des corps statoriques ou rotoriques
• H02K 21/24 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents avec des induits fixes et des aimants tournants avec des aimants disposés axialement en face des induits, p. ex. dynamos de bicyclette du type moyeu
• H02K 15/16 - Centrage des rotors dans les stators
• H02K 1/14 - Noyaux statoriques à pôles saillants
• H02K 5/02 - Enveloppes ou enceintes caractérisées par le matériau les constituant
• H02K 5/10 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction avec des dispositions empêchant l'introduction de corps étrangers, p. ex. de l'eau ou des doigts

Abrégé

An axial flux machine is described. The machine has a stator comprising a stator housing enclosing a plurality of stator bars disposed circumferentially at intervals around an axis of the machine, and a rotor comprising a set of permanent magnets and mounted for rotation about the axis of the machine. The rotor is spaced apart from the stator along the axis of the machine to define a gap between the stator and rotor and in which magnetic flux in the machine is generally in an axial direction. The machine also comprises a hub assembly comprising a rotating hub and a mount separated by a bearing to permit the hub to rotate relative to the mount, the rotating hub comprising a hub flange and the mount comprising a mount flange, each of the flanges being spaced axially apart from one another. The machine further comprises a bulkhead for mounting the hub assembly and stator, wherein the bulkhead is mounted to the mount flange of the hub assembly and the stator housing is mounted to the bulkhead. The rotor comprises first and second rotors disposed either side of the stator, the first rotor being mounted to the hub flange and the second rotor being mounted only to the first rotor, the first and second rotors together forming a U-shaped rotor extending across and either side of the stator and being rotatable relative to the stator about the axis of the machine.

Classes IPC  ?

• H02K 1/18 - Moyens de montage ou de fixation des parties magnétiques fixes sur ou aux structures constituant le stator
• H02K 7/07 - Moyens de transformation d'un mouvement alternatif en un mouvement circulaire ou vice versa utilisant des cliquets et des roues à rochet
• H02K 21/24 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents avec des induits fixes et des aimants tournants avec des aimants disposés axialement en face des induits, p. ex. dynamos de bicyclette du type moyeu
• H02K 7/08 - Association structurelle avec des paliers
• H02K 16/02 - Machines avec un stator et deux rotors

Produits et services

Electric motors for machines; electric motors other than for land vehicles; electric motors for boats and water craft; [ ; electric motors for aircraft; electric motors for tethered aircraft; electric motors for wind turbines including tethered wind turbine aircraft; ] electric motors for machinery; electric engines; electric engines other than for land vehicles electric engines for boats and water craft; [ electric engines for aircraft; electric engines for wind turbines; ] electric engines for machinery; electric starter motors; electric starter motors for jet engines; electric generators; alternating current electrical motors other than for land vehicles; axial flux electrical motors other than for land vehicles; direct current electrical motors other than for land vehicles; electrical generators; electric motors for locomotion on water; electric motors for locomotion under water including submersibles; electric motors for locomotion under water including autonomous underwater vehicles; electric engines for locomotion on water; electric engines for locomotion under water including submersibles; electric engines for locomotion under water including autonomous underwater vehicles; structural parts and fittings for all of the aforesaid goods Apparatus and instruments for controlling electricity; electric power supplies; electric inverter power supplies; direct current input power supplies; electric power supplies including generators; electric inverters; electric current inverters; electric inverter power supplies for powering electric vehicles; bi-directional inverter power supplies for powering electric vehicles; electric power supplies including DC/AC, AC/DC inverters and DC/DC converters; electric power supplies for electric motors; multiphase power supplies for electric motors; power controllers for electric motors; [ batteries; batteries to supply electric power to motors; batteries to supply electric power to motors for electric vehicles; ] electric power supplies to supply electric power to motors; DC input power supplies to supply electric power to motors for electric vehicles; electric power supplies to charge batteries; electric power supplies to charge batteries to supply electric power to motors; electric power supplies to charge batteries to supply electric power to motors for electric vehicles; electric chargers; electric chargers for batteries; electric chargers for batteries to supply electric power to motors; electric chargers for batteries to supply electric power to motors for electric vehicles; electric power supplies to power electric motors for vehicles and for charging batteries; electrical power control apparatus; electric and electronic power controllers; electronic control apparatus for electric motors and electric vehicles ; electrical and electronic control systems and apparatus for electric motors and electric vehicles; electrical and electronic control systems and apparatus for battery powered vehicles and other battery powered apparatus; computer software for the control and monitoring of electric motors and electric vehicles; computer software for the control and monitoring of power controllers; electric and electrical adapters, cables, capacitors, circuits, connectors, convertors, diodes, fuses, inverters, relays, resistors, sensors, switches, transformers and wires; structural parts and fittings for all of the aforesaid goods Electric motors for motor cars; electric motors for land vehicles; electric motors for vehicles, namely land vehicles; electric motors for mining vehicles; electric motors for subterranean mining equipment and vehicles; electric motors for amphibious vehicles including hovercraft; electric engines for motor cars; electric engines for land vehicles; electric engines for vehicles, namely land vehicles; electric engines for mining vehicles; electric engines for subterranean mining vehicles; electric engines for amphibious vehicles including hovercraft; alternating current electrical motors for land vehicles; axial flux electrical motors for land vehicles; direct current electrical motors for land vehicles; structural parts and fittings for all of the aforesaid goods Maintenance, repair and servicing of electric motors and their parts; maintenance, repair and servicing of electric power supplies, electric power inverters, electric power converters, electric control systems and their parts, information; advisory and consultancy services related to the maintenance, repair and servicing of electric motors, electric power supplies, electric power inverters, electric power converts, electric control systems and the parts and fittings thereof Design of electric motors and their parts; design of electric engines and their parts; research and development of electric motors and their parts; research and development of electric engines and their parts; design of electric power supplies and their parts; design of electric power supplies for powering electric motors; design of electric power supplies for powering electric motors for electric vehicles; design of electric power supplies and generators for powering electric motors and for charging batteries for powering electric vehicles including hybrid vehicles; research and development of electric power supplies and their parts; research and development of electric power supplies for powering electric motors; research and development of electric power supplies for powering electric motors for electric vehicles; research and development of electric power supplies and generators for powering electric motors and for charging batteries for powering electric vehicles and hybrid vehicles; information, advisory and consultancy services relating to the design, research and development of electric motors, electric power supplies, generators and the parts and fittings thereof

Produits et services

Electric motors for machines; electric motors other than for land vehicles; electric motors for boats and water craft; [ electric motors for aircraft; electric motors for tethered aircraft; electric motors for wind turbines including tethered wind turbine aircraft; ] electric motors for machinery; electric engines; electric engines other than for land vehicles electric engines for boats and water craft; [ electric engines for aircraft; electric engines for wind turbines; ] electric engines for machinery; electric starter motors; electric starter motors for jet engines; electric generators; alternating current electrical motors other than for land vehicles; axial flux electrical motors other than for land vehicles; direct current electrical motors other than for land vehicles; electrical generators; electric motors for locomotion on water; electric motors for locomotion under water including submersibles; electric motors for locomotion under water including autonomous underwater vehicles; electric engines for locomotion on water; electric engines for locomotion under water including submersibles; electric engines for locomotion under water including autonomous underwater vehicles; structural parts and fittings for all of the aforesaid goods Apparatus and instruments for controlling electricity; electric power supplies; electric inverter power supplies; direct current input power supplies; electric power supplies including generators; electric inverters; electric current inverters; electric inverter power supplies for powering electric vehicles; bi-directional inverter power supplies for powering electric vehicles; electric power supplies including DC/AC, AC/DC inverters and DC/DC converters; electric power supplies for electric motors; multiphase power supplies for electric motors; power controllers for electric motors; [ batteries; batteries to supply electric power to motors; batteries to supply electric power to motors for electric vehicles; ] electric power supplies to supply electric power to motors; DC input power supplies to supply electric power to motors for electric vehicles; electric power supplies to charge batteries; electric power supplies to charge batteries to supply electric power to motors; electric power supplies to charge batteries to supply electric power to motors for electric vehicles; electric chargers; electric chargers for batteries; electric chargers for batteries to supply electric power to motors; electric chargers for batteries to supply electric power to motors for electric vehicles; electric power supplies to power electric motors for vehicles and for charging batteries; electrical power control apparatus; electric and electronic power controllers; electronic control apparatus for electric motors and electric vehicles; electrical and electronic control systems and apparatus for electric motors and electric vehicles; electrical and electronic control systems and apparatus for battery powered vehicles and other battery powered apparatus; computer software for the control and monitoring of electric motors and electric vehicles; computer software for the control and monitoring of power controllers; electric and electrical adapters, cables, capacitors, circuits, connectors, convertors, diodes, fuses, inverters, relays, resistors, sensors, switches, transformers and wires; structural parts and fittings for all of the aforesaid goods Electric motors for motor cars; electric motors for land vehicles; electric motors for vehicles, namely, land vehicles; electric motors for mining vehicles; electric motors for subterranean mining equipment and vehicles; electric motors for amphibious vehicles including hovercraft; electric engines for motor cars; electric engines for land vehicles; electric engines for vehicles, namely, land vehicles; electric engines for mining vehicles; electric engines for subterranean mining vehicles; electric engines for amphibious vehicles including hovercraft; alternating current electrical motors for land vehicles; axial flux electrical motors for land vehicles; direct current electrical motors for land vehicles; structural parts and fittings for all of the aforesaid goods Maintenance, repair and servicing of electric motors and their parts; maintenance, repair and servicing of electric power supplies, electric power inverters, electric power converters, electric control systems and their parts, information; advisory and consultancy services related to the maintenance, repair and servicing of electric motors, electric power supplies, electric power inverters, electric power converts, electric control systems and the parts and fittings thereof Design of electric motors and their parts; design of electric engines and their parts; research and development of electric motors and their parts; research and development of electric engines and their parts; design of electric power supplies and their parts; design of electric power supplies for powering electric motors; design of electric power supplies for powering electric motors for electric vehicles; design of electric power supplies and generators for powering electric motors and for charging batteries for powering electric vehicles including hybrid vehicles; research and development of electric power supplies and their parts; research and development of electric power supplies for powering electric motors; research and development of electric power supplies for powering electric motors for electric vehicles; research and development of electric power supplies and generators for powering electric motors and for charging batteries for powering electric vehicles and hybrid vehicles; information, advisory and consultancy services relating to the design, research and development of electric motors, electric power supplies, generators and the parts and fittings thereof

Produits et services

Electric motors; electric motors other than for land vehicles; electric motors for mining vehicles, other than land vehicles; electric motors for subterranean mining equipment and vehicles, other than land vehicles; electric motors for vehicles, other than land vehicles; electric motors for boats and water craft; electric motors for amphibious vehicles including hovercraft; electric motors for aircraft; electric motors for tethered aircraft; electric motors for wind turbines including tethered wind turbine aircraft; electric motors for machinery; electric engines; electric engines other than for land vehicles; electric engines for vehicles, other than land vehicles; electric engines for boats and water craft; electric engines for amphibious vehicles including hovercraft; electric engines for aircraft; electric engines for wind turbines; electric engines for machinery; electric starter motors; electric starter motors for jet engines; electric generators; alternating current electrical motors; axial flux electrical motors; direct current electrical motors; parts and fittings for all of the aforesaid goods. Apparatus and instruments for controlling electricity; electric power supplies; electric inverter power supplies; direct current input power supplies; electric power supplies including generators; electric inverters; electric current inverters; electric inverter power supplies for powering electric vehicles; bi-directional inverter power supplies for powering electric vehicles; electric power supplies including DC/AC, AC/DC inverters and DC/DC converters; electric power supplies for electric motors; multiphase power supplies for electric motors; power controllers for electric motors; Batteries; batteries to supply electric power to motors; batteries to supply electric power to motors for electric vehicles; electric power supplies to supply electric power to motors; DC input power supplies to supply electric power to motors for electric vehicles; electric power supplies to charge batteries; electric power supplies to charge batteries to supply electric power to motors; electric power supplies to charge batteries to supply electric power to motors for electric vehicles; electric chargers; electric chargers for batteries; electric chargers for batteries to supply electric power to motors; electric chargers for batteries to supply electric power to motors for electric vehicles; electric power supplies to power electric motors for vehicles and for charging batteries; electrical power control apparatus; electric and electronic power controllers; control apparatus (electronic -); electronic control apparatus; electrical and electronic control systems and apparatus for electric motors and electric vehicles; electrical and electronic control systems and apparatus for battery powered vehicles and other battery powered apparatus; computer software; computer software for the control and monitoring of: power controllers; motor controllers; diagnostic systems and apparatus for electric vehicles, electric motors and battery powered apparatus; electric adapters, boosters, cables, capacitors, circuits, components, connectors, controllers, convertors, diodes, fuses, invertors, leads, relays, resistors, sensors, switches, transformers, transmitters and wires; electrical adapters, boosters, cables, capacitors, circuits, components, connectors, controllers, convertors, diodes, fuses, generators, invertors, leads, relays, resistors, sensors, switches, transformers, transmitters and wires; parts and fittings for all of the aforesaid goods. Electric motors; electric motors for land vehicles; electric motors for vehicles, including land vehicles; electric motors for mining vehicles; electric motors for subterranean mining equipment and vehicles; electric motors for amphibious vehicles including hovercraft; electric motors for boats and water craft; electric motors for locomotion on water; electric motors for locomotion under water including submersibles; electric motors for locomotion under water including autonomous underwater vehicles; electric motors for machinery, including land vehicles; electric engines; electric engines for land vehicles; electric engines for vehicles, including land vehicles; electric engines for mining vehicles; electric engines for subterranean mining equipment and vehicles; electric engines for amphibious vehicles including hovercraft; electric engines for boats and water craft; electric engines for locomotion on water; electric engines for locomotion under water including submersibles; electric engines for locomotion under water including autonomous underwater vehicles; electric engines for machinery, including land vehicles; alternating current electrical motors; axial flux electrical motors; direct current electrical motors; parts and fittings for all of the aforesaid goods. Maintenance, repair and servicing of electric motors and their parts; maintenance, repair and servicing of electric power supplies, electric power inverters, electric power converters, electric control systems and their parts, information, advisory and consultancy services in respect of all of the aforesaid. Design of electric motors and their parts; design of electric engines and their parts; research and development of electric motors and their parts; research and development of electric engines and their parts; design of electric power supplies and their parts; design of electric power supplies for powering electric motors; design of electric power supplies for powering electric motors for electric vehicles; design of electric power supplies and generators for powering electric motors and for charging batteries for powering electric vehicles including hybrid vehicles; research and development of electric power supplies and their parts; research and development of electric power supplies for powering electric motors; research and development of electric power supplies for powering electric motors for electric vehicles; research and development of electric power supplies and generators for powering electric motors and for charging batteries for powering electric vehicles including hybrid vehicles; information, advisory and consultancy services in respect of all of the aforesaid.

Produits et services

Electric motors; electric motors other than for land vehicles; electric motors for mining vehicles, other than land vehicles; electric motors for subterranean mining equipment and vehicles, other than land vehicles; electric motors for vehicles, other than land vehicles; electric motors for boats and water craft; electric motors for amphibious vehicles including hovercraft; electric motors for aircraft; electric motors for tethered aircraft; electric motors for wind turbines including tethered wind turbine aircraft; electric motors for machinery; electric engines; electric engines other than for land vehicles; electric engines for vehicles, other than land vehicles; electric engines for boats and water craft; electric engines for amphibious vehicles including hovercraft; electric engines for aircraft; electric engines for wind turbines; electric engines for machinery; electric starter motors; electric starter motors for jet engines; electric generators; alternating current electrical motors; axial flux electrical motors; direct current electrical motors; parts and fittings for all of the aforesaid goods. Apparatus and instruments for controlling electricity; electric power supplies; electric inverter power supplies; direct current input power supplies; electric power supplies including generators; electric inverters; electric current inverters; electric inverter power supplies for powering electric vehicles; bi-directional inverter power supplies for powering electric vehicles; electric power supplies including DC/AC, AC/DC inverters and DC/DC converters; electric power supplies for electric motors; multiphase power supplies for electric motors; power controllers for electric motors; Batteries; batteries to supply electric power to motors; batteries to supply electric power to motors for electric vehicles; electric power supplies to supply electric power to motors; DC input power supplies to supply electric power to motors for electric vehicles; electric power supplies to charge batteries; electric power supplies to charge batteries to supply electric power to motors; electric power supplies to charge batteries to supply electric power to motors for electric vehicles; electric chargers; electric chargers for batteries; electric chargers for batteries to supply electric power to motors; electric chargers for batteries to supply electric power to motors for electric vehicles; electric power supplies to power electric motors for vehicles and for charging batteries; electrical power control apparatus; electric and electronic power controllers; electronic control apparatus for electric and electronic control of electric motors, power controllers, motor controllers, power systems, electric vehicles, vehicles, watercraft, tethered aircraft, non-tethered aircraft, energy gathering systems, tethered energy gathering systems, non-tethered energy gathering systems, electric motors and battery powered apparatus, energy storage systems and battery charging systems; electrical and electronic control systems and apparatus for electric motors and electric vehicles; electrical and electronic control systems and apparatus for battery powered vehicles and other battery powered apparatus; computer software for the control, monitoring and testing of: electric motors, power controllers, motor controllers, power systems, diagnostic systems and apparatus, electric conveyance systems, electric transport systems, electric vehicles, vehicles, watercraft, tethered aircraft, non-tethered aircraft, energy gathering systems, tethered energy gathering systems, non-tethered energy gathering systems, electric motors and battery powered apparatus, energy storage systems and battery charging systems; motor controllers; diagnostic systems and apparatus for electric vehicles, electric motors and battery powered apparatus; electric adapters, boosters, cables, capacitors, circuits, components, connectors, controllers, convertors, diodes, fuses, invertors, leads, relays, resistors, sensors, switches, transformers, transmitters and wires; electrical adapters, boosters, cables, capacitors, circuits, components, connectors, controllers, convertors, diodes, fuses, generators, invertors, leads, relays, resistors, sensors, switches, transformers, transmitters and wires; parts and fittings for all of the aforesaid goods. Electric motors; electric motors for land vehicles; electric motors for vehicles, including land vehicles; electric motors for mining vehicles; electric motors for subterranean mining equipment and vehicles; electric motors for amphibious vehicles including hovercraft; electric motors for boats and water craft; electric motors for locomotion on water; electric motors for locomotion under water including submersibles; electric motors for locomotion under water including autonomous underwater vehicles; electric motors for machinery, including land vehicles; electric engines; electric engines for land vehicles; electric engines for vehicles, including land vehicles; electric engines for mining vehicles; electric engines for subterranean mining equipment and vehicles; electric engines for amphibious vehicles including hovercraft; electric engines for boats and water craft; electric engines for locomotion on water; electric engines for locomotion under water including submersibles; electric engines for locomotion under water including autonomous underwater vehicles; electric engines for machinery, including land vehicles; alternating current electrical motors; axial flux electrical motors; direct current electrical motors; parts and fittings for all of the aforesaid goods. Maintenance, repair and servicing of electric motors and their parts; maintenance, repair and servicing of electric power supplies, electric power inverters, electric power converters, electric control systems and their parts, information, advisory and consultancy services in respect of all of the aforesaid. Design of electric motors and their parts; design of electric engines and their parts; research and development of electric motors and their parts; research and development of electric engines and their parts; design of electric power supplies and their parts; design of electric power supplies for powering electric motors; design of electric power supplies for powering electric motors for electric vehicles; design of electric power supplies and generators for powering electric motors and for charging batteries for powering electric vehicles including hybrid vehicles; research and development of electric power supplies and their parts; research and development of electric power supplies for powering electric motors; research and development of electric power supplies for powering electric motors for electric vehicles; research and development of electric power supplies and generators for powering electric motors and for charging batteries for powering electric vehicles including hybrid vehicles; information, advisory and consultancy services in respect of all of the aforesaid.

Produits et services

Electric motors; electric motors other than for land vehicles; electric motors for mining vehicles, other than land vehicles; electric motors for subterranean mining equipment and vehicles, other than land vehicles; electric motors for vehicles, other than land vehicles; electric motors for boats and water craft; electric motors for amphibious vehicles including hovercraft; electric motors for aircraft; electric motors for tethered aircraft; electric motors for wind turbines including tethered wind turbine aircraft; electric motors for machinery; electric engines; electric engines other than for land vehicles; electric engines for vehicles, other than land vehicles; electric engines for boats and water craft; electric engines for amphibious vehicles including hovercraft; electric engines for aircraft; electric engines for wind turbines; electric engines for machinery; electric starter motors; electric starter motors for jet engines; electric generators; alternating current electrical motors; axial flux electrical motors; direct current electrical motors; parts and fittings for all of the aforesaid goods. Apparatus and instruments for controlling electricity; electric power supplies; electric inverter power supplies; direct current input power supplies; electric power supplies including generators; electric inverters; electric current inverters; electric inverter power supplies for powering electric vehicles; bi-directional inverter power supplies for powering electric vehicles; electric power supplies including DC/AC, AC/DC inverters and DC/DC converters; electric power supplies for electric motors; multiphase power supplies for electric motors; power controllers for electric motors; Batteries; batteries to supply electric power to motors; batteries to supply electric power to motors for electric vehicles; electric power supplies to supply electric power to motors; DC input power supplies to supply electric power to motors for electric vehicles; electric power supplies to charge batteries; electric power supplies to charge batteries to supply electric power to motors; electric power supplies to charge batteries to supply electric power to motors for electric vehicles; electric chargers; electric chargers for batteries; electric chargers for batteries to supply electric power to motors; electric chargers for batteries to supply electric power to motors for electric vehicles; electric power supplies to power electric motors for vehicles and for charging batteries; electrical power control apparatus; electric and electronic power controllers; electronic control apparatus for electric and electronic control of electric motors, power controllers, motor controllers, power systems, electric vehicles, vehicles, watercraft, tethered aircraft, non-tethered aircraft, energy gathering systems, tethered energy gathering systems, non-tethered energy gathering systems, electric motors and battery powered apparatus, energy storage systems and battery charging systems; electrical and electronic control systems and apparatus for electric motors and electric vehicles; electrical and electronic control systems and apparatus for battery powered vehicles and other battery powered apparatus; computer software for the control, monitoring and testing of: electric motors, power controllers, motor controllers, power systems, diagnostic systems and apparatus, electric conveyance systems, electric transport systems, electric vehicles, vehicles, watercraft, tethered aircraft, non-tethered aircraft, energy gathering systems, tethered energy gathering systems, non-tethered energy gathering systems, electric motors and battery powered apparatus, energy storage systems and battery charging systems; motor controllers; diagnostic systems and apparatus for electric vehicles, electric motors and battery powered apparatus; electric adapters, boosters, cables, capacitors, circuits, components, connectors, controllers, convertors, diodes, fuses, invertors, leads, relays, resistors, sensors, switches, transformers, transmitters and wires; electrical adapters, boosters, cables, capacitors, circuits, components, connectors, controllers, convertors, diodes, fuses, generators, invertors, leads, relays, resistors, sensors, switches, transformers, transmitters and wires; parts and fittings for all of the aforesaid goods. Electric motors; electric motors for land vehicles; electric motors for vehicles, including land vehicles; electric motors for mining vehicles; electric motors for subterranean mining equipment and vehicles; electric motors for amphibious vehicles including hovercraft; electric motors for boats and water craft; electric motors for locomotion on water; electric motors for locomotion under water including submersibles; electric motors for locomotion under water including autonomous underwater vehicles; electric motors for machinery, including land vehicles; electric engines; electric engines for land vehicles; electric engines for vehicles, including land vehicles; electric engines for mining vehicles; electric engines for subterranean mining equipment and vehicles; electric engines for amphibious vehicles including hovercraft; electric engines for boats and water craft; electric engines for locomotion on water; electric engines for locomotion under water including submersibles; electric engines for locomotion under water including autonomous underwater vehicles; electric engines for machinery, including land vehicles; alternating current electrical motors; axial flux electrical motors; direct current electrical motors; parts and fittings for all of the aforesaid goods. Maintenance, repair and servicing of electric motors and their parts; maintenance, repair and servicing of electric power supplies, electric power inverters, electric power converters, electric control systems and their parts, information, advisory and consultancy services in respect of all of the aforesaid. Design of electric motors and their parts; design of electric engines and their parts; research and development of electric motors and their parts; research and development of electric engines and their parts; design of electric power supplies and their parts; design of electric power supplies for powering electric motors; design of electric power supplies for powering electric motors for electric vehicles; design of electric power supplies and generators for powering electric motors and for charging batteries for powering electric vehicles including hybrid vehicles; research and development of electric power supplies and their parts; research and development of electric power supplies for powering electric motors; research and development of electric power supplies for powering electric motors for electric vehicles; research and development of electric power supplies and generators for powering electric motors and for charging batteries for powering electric vehicles including hybrid vehicles; information, advisory and consultancy services in respect of all of the aforesaid.

Abrégé

A double-rotor single stator axial flux machine, which is supplied having no bearings between the rotors and stator internal of the machine, is mounted to an external structure such as an interface of an engine of a vehicle or a portion of the transmission of a vehicle. The machine is mounted to the structure via the shaft of the machine (on which are seated bearings located in the structure) and the stator housing. The bearings of the structure, which are external to the machine, permit the rotors to rotate relative to the stator when the machine is installed on the structure.

Classes IPC  ?

• H02K 1/27 - Noyaux rotoriques à aimants permanents
• H02K 7/00 - Dispositions pour la mise en œuvre d'énergie mécanique associées structurellement aux machines dynamo-électriques, p. ex. association structurelle avec des moteurs mécaniques d'entraînement ou des machines dynamo-électriques auxiliaires
• H02K 15/16 - Centrage des rotors dans les stators
• H02K 21/24 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents avec des induits fixes et des aimants tournants avec des aimants disposés axialement en face des induits, p. ex. dynamos de bicyclette du type moyeu
• H02K 1/14 - Noyaux statoriques à pôles saillants
• H02K 5/16 - Moyens de support des paliers, p. ex. supports isolants ou moyens pour ajuster les paliers dans leurs flasques
• H02K 7/08 - Association structurelle avec des paliers
• H02K 15/03 - Procédés ou appareils spécialement adaptés à la fabrication, l'assemblage, l'entretien ou la réparation des machines dynamo-électriques des corps statoriques ou rotoriques comportant des aimants permanents

Abrégé

An axial flux machine is provided with an integrated clutch assembly, which is housed within the bore of an annulus-shaped stator of the machine. First and second rotors, located either side of the stator are attached to the clutch basket of the clutch assembly, and rotate in unison relative to the stator. A machine housing is provided between the stator and an engagement face of the clutch basket, seated on bearings between the clutch basket and machine housing, to provide a rigid structure.

Classes IPC  ?

• H02K 21/24 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents avec des induits fixes et des aimants tournants avec des aimants disposés axialement en face des induits, p. ex. dynamos de bicyclette du type moyeu
• H02K 7/108 - Association structurelle avec des embrayages, des freins, des engrenages, des poulies ou des démarreurs mécaniques avec des embrayages à friction
• H02K 7/08 - Association structurelle avec des paliers
• H02K 15/03 - Procédés ou appareils spécialement adaptés à la fabrication, l'assemblage, l'entretien ou la réparation des machines dynamo-électriques des corps statoriques ou rotoriques comportant des aimants permanents

Abrégé

We describe a method of cooling an axial flux permanent magnet machine, the machine having a stator comprising a stator housing enclosing a set of coils wound on respective stator bars and disposed circumferentially at intervals about an axis of the machine, and a rotor bearing a set of permanent magnets and mounted for rotation about said axis, and wherein said rotor and stator are spaced apart along said axis to define a gap therebetween in which magnetic flux in the machine is generally in an axial direction, the method comprising: flowing a coolant through said stator housing around said coils such that said coolant flows between said coils; and controlling said coolant flow between said coils by controlling a gap between adjacent said coils; wherein said controlling of said gap comprises: providing each of said coils with a single layer of windings over said stator bar, said layer of windings comprising a ribbon-shaped wire having a greater width across a surface of the ribbon than thickness through the ribbon; wherein said windings are stacked horizontally along said stator bar such that adjacent ribbon surfaces of said ribbon abut one another, wherein said width of said ribbon defines a distance across a said coil perpendicular to a direction in which said windings are stacked; and controlling said gap by controlling said distance across said coil.

Classes IPC  ?

• H02K 1/20 - Parties fixes du circuit magnétique avec des canaux ou des conduits pour l'écoulement d'un agent de refroidissement
• H02K 21/24 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents avec des induits fixes et des aimants tournants avec des aimants disposés axialement en face des induits, p. ex. dynamos de bicyclette du type moyeu
• H02K 1/27 - Noyaux rotoriques à aimants permanents
• H02K 3/18 - Enroulements pour pôles saillants
• H02K 3/24 - Enroulements caractérisés par la configuration, la forme ou le genre de construction du conducteur, p. ex. avec des conducteurs en barre avec des canaux ou des conduits pour un agent de refroidissement entre les conducteurs
• H02K 9/19 - Dispositions de refroidissement ou de ventilation pour machines avec enveloppe fermée et circuit fermé de refroidissement utilisant un agent de refroidissement liquide, p. ex. de l'huile
• H02K 1/12 - Parties fixes du circuit magnétique
• H02K 15/02 - Procédés ou appareils spécialement adaptés à la fabrication, l'assemblage, l'entretien ou la réparation des machines dynamo-électriques des corps statoriques ou rotoriques
• H02K 9/00 - Dispositions de refroidissement ou de ventilation

Abrégé

We describe a method of manufacturing a housing for the stator of an axial flux permanent magnet machine, the machine having a stator comprising a set of coils wound on respective stator bars and disposed circumferentially at intervals about an axis of the machine, and a rotor bearing a set of permanent magnets and mounted for rotation about said axis, and wherein said rotor and stator are spaced apart along said axis to define a gap therebetween in which magnetic flux in the machine is generally in an axial direction, the method comprising: fabricating a radial wall for said stator housing to be located in said gap between said rotor and said stator by: placing a resin membrane into a mold of an injection molding machine; injection molding a set of reinforcing features onto said membrane using a thermoplastic polymer bondable when molten with said resin; and manufacturing said housing using said radial wall.

Classes IPC  ?

• H02K 15/12 - Imprégnation, chauffage ou séchage des bobinages, des stators, des rotors ou des machines
• B29C 45/14 - Moulage par injection, c.-à-d. en forçant un volume déterminé de matière à mouler par une buse d'injection dans un moule ferméAppareils à cet effet en incorporant des parties ou des couches préformées, p. ex. moulage par injection autour d'inserts ou sur des objets à recouvrir
• H02K 5/128 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction spécialement adaptées à un fonctionnement dans un liquide ou dans un gaz utilisant des manchons d'entrefer ou des disques à film d'air
• H02K 15/03 - Procédés ou appareils spécialement adaptés à la fabrication, l'assemblage, l'entretien ou la réparation des machines dynamo-électriques des corps statoriques ou rotoriques comportant des aimants permanents
• H02K 21/24 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents avec des induits fixes et des aimants tournants avec des aimants disposés axialement en face des induits, p. ex. dynamos de bicyclette du type moyeu
• B29L 31/34 - Appareils électriques, p. ex. bougies ou leurs parties constitutives
• B29K 105/12 - Présentation, forme ou état de la matière moulée contenant des agents de renforcement, charges ou inserts de longueur réduite, p. ex. filaments coupés, fibres coupées ou crins
• B29K 101/12 - Matières thermoplastiques

Abrégé

We describe a method of manufacturing a housing for the stator of an axial flux permanent magnet machine, in particular a Yokeless and Segmented Armature motor, the machine having a stator comprising a set of coils wound on respective stator bars and disposed circumferentially at intervals about an axis of the machine, and a rotor bearing a set of permanent magnets and mounted for rotation about said axis, and wherein said rotor and stator are spaced apart along said axis to define a gap therebetween in which magnetic flux in the machine is generally in an axial direction. The method comprises: fabricating a radial wall for said stator housing to be located in said gap between said rotor and said stator by: providing a membrane of fibre-reinforced polymer material; pressing a set of said stator bars into said membrane of fibre-reinforced polymer whilst said polymer is mouldable, wherein said reinforcement inhibits said stator bars from pushing through said membrane; solidifying said polymer to hold said set of stator bars in their respective positions; and manufacturing said housing using said radial wall.

Classes IPC  ?

• H02K 15/02 - Procédés ou appareils spécialement adaptés à la fabrication, l'assemblage, l'entretien ou la réparation des machines dynamo-électriques des corps statoriques ou rotoriques
• H02K 15/12 - Imprégnation, chauffage ou séchage des bobinages, des stators, des rotors ou des machines
• H02K 1/18 - Moyens de montage ou de fixation des parties magnétiques fixes sur ou aux structures constituant le stator
• H02K 21/24 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents avec des induits fixes et des aimants tournants avec des aimants disposés axialement en face des induits, p. ex. dynamos de bicyclette du type moyeu
• H02K 5/128 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction spécialement adaptées à un fonctionnement dans un liquide ou dans un gaz utilisant des manchons d'entrefer ou des disques à film d'air
• H02K 1/06 - Détails du circuit magnétique caractérisés par la configuration, la forme ou le genre de structure
• H02K 3/04 - Enroulements caractérisés par la configuration, la forme ou le genre de construction du conducteur, p. ex. avec des conducteurs en barre
• H02K 5/02 - Enveloppes ou enceintes caractérisées par le matériau les constituant
• H02K 15/14 - EnveloppesEnceintesSupports
• B29L 31/00 - Autres objets particuliers
• B29C 45/14 - Moulage par injection, c.-à-d. en forçant un volume déterminé de matière à mouler par une buse d'injection dans un moule ferméAppareils à cet effet en incorporant des parties ou des couches préformées, p. ex. moulage par injection autour d'inserts ou sur des objets à recouvrir

Abrégé

i).

Classes IPC  ?

• H02K 9/19 - Dispositions de refroidissement ou de ventilation pour machines avec enveloppe fermée et circuit fermé de refroidissement utilisant un agent de refroidissement liquide, p. ex. de l'huile
• H02K 5/20 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction avec des canaux ou des conduits pour la circulation d'un agent de refroidissement
• H02K 1/32 - Parties tournantes du circuit magnétique avec des canaux ou des conduits pour l'écoulement d'un agent de refroidissement
• H02K 21/24 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents avec des induits fixes et des aimants tournants avec des aimants disposés axialement en face des induits, p. ex. dynamos de bicyclette du type moyeu

Abrégé

c) defined by the spacing of said coil (55) and adjacent coils (55).

Classes IPC  ?

• H02K 1/20 - Parties fixes du circuit magnétique avec des canaux ou des conduits pour l'écoulement d'un agent de refroidissement
• H02K 3/24 - Enroulements caractérisés par la configuration, la forme ou le genre de construction du conducteur, p. ex. avec des conducteurs en barre avec des canaux ou des conduits pour un agent de refroidissement entre les conducteurs
• H02K 9/19 - Dispositions de refroidissement ou de ventilation pour machines avec enveloppe fermée et circuit fermé de refroidissement utilisant un agent de refroidissement liquide, p. ex. de l'huile
• H02K 9/22 - Dispositions de refroidissement ou de ventilation par un matériau solide conducteur de la chaleur s'encastrant dans, ou mis en contact avec, le stator ou le rotor, p. ex. des ponts de chaleur
• H02K 21/24 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents avec des induits fixes et des aimants tournants avec des aimants disposés axialement en face des induits, p. ex. dynamos de bicyclette du type moyeu
• H02K 1/08 - Pôles saillants
• H02K 9/197 - Dispositions de refroidissement ou de ventilation pour machines avec enveloppe fermée et circuit fermé de refroidissement utilisant un agent de refroidissement liquide, p. ex. de l'huile dans lesquels l'espace du rotor ou du stator est étanche au fluide, p. ex. pour pourvoir le rotor et le stator d'agents de refroidissement différents

Abrégé

A rotor for an axial flux permanent magnet machine is described. The machine has a stator comprising a stator housing enclosing a set of coils wound on stator bars or teeth and disposed circumferentially at intervals about an axis on the machine, and a rotor bearing a set of permanent magnets and mounted for rotation about the said axis. The rotor and stator are spaced apart along said axis to define a gap therebetween in which magnet flux in the machine is generally in an axial direction. The magnets are disposed circumferentially around said rotor and define a plurality, n, of matching sets of magnets. Each set of magnets includes a plurality of magnets, wherein said n sets of magnets on said rotor have n-fold rotational symmetry. Within a said set, the magnets have different shapes and/or relative circumferential spacings of adjacent magnets within the set of magnets are irregular.

Classes IPC  ?

• H02K 1/27 - Noyaux rotoriques à aimants permanents
• H02K 21/24 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents avec des induits fixes et des aimants tournants avec des aimants disposés axialement en face des induits, p. ex. dynamos de bicyclette du type moyeu
• H02K 29/03 - Moteurs ou génératrices à dispositifs de commutation non mécaniques, p. ex. tubes à décharge ou dispositifs à semi-conducteurs avec un circuit magnétique spécialement adapté pour éviter des ondulations du couple ou des problèmes de démarrage autonome

Abrégé

An electric machine comprises a rotor, preferably having permanent magnets, although other field generation means are available, and a stator. The stator has coils wound on stator bars for interaction with the magnetic field of the rotor across an air gap defined between them. The rotor comprises a housing of a chamber containing refrigerant. The rotor housing has heat dissipating fins accessible by the open environment whereby air movement relative to the housing caused at least by rotation of the rotor absorbs heat from the fins. The machine may be an axial flux machine, the coils being wound on bars that are disposed circumferentially spaced around a fixed axle of the machine forming a rotational axis of the rotor. The machine may be a wheel motor for a vehicle, wherein the wheel is mounted directly on the rotor housing.

Classes IPC  ?

• H02K 9/18 - Dispositions de refroidissement ou de ventilation dans lesquels l'agent de refroidissement gazeux circule entre l'enveloppe de la machine et une chemise extérieure dans lesquels la partie extérieure du circuit fermé comprend un échangeur de chaleur associé structurellement à l'enveloppe de la machine
• H02K 9/20 - Dispositions de refroidissement ou de ventilation pour machines avec enveloppe fermée et circuit fermé de refroidissement utilisant un agent de refroidissement liquide, p. ex. de l'huile dans lesquels l'agent de refroidissement se vaporise dans l'enveloppe de la machine
• H02K 21/12 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents avec des induits fixes et des aimants tournants
• B60K 1/00 - Agencement ou montage des ensembles de propulsion électriques
• H02K 5/18 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction avec des nervures ou des ailettes pour améliorer la transmission de la chaleur
• H02K 7/14 - Association structurelle à des charges mécaniques, p. ex. à des machines-outils portatives ou des ventilateurs
• H02K 21/24 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents avec des induits fixes et des aimants tournants avec des aimants disposés axialement en face des induits, p. ex. dynamos de bicyclette du type moyeu
• B60K 7/00 - Disposition du moteur dans ou jouxtant une roue motrice
• H02K 49/04 - Embrayages dynamo-électriquesFreins dynamo-électriques du type à induction asynchrone du type à courants de Foucault ou à hystérésis

Abrégé

a, b) that mount the stator bars and coils in the machine. Each clamshell is molded from reinforced plastics and interconnected (optionally through one or more intermediate components). At least one clamshell has over-molded therein stator bar shoes that form part of said radial wall, and optionally one or more of the following components: cylindrical boss supports extending along the cylindrical outer wall part; connection studs that communicate electrically the chamber externally; stator coils; coolant inlet and outlet ports; and an outer race of a rotor bearing.

Classes IPC  ?

• H02K 9/28 - Refroidissement des collecteurs, des bagues collectrices ou des balais, p. ex. par ventilation
• H02K 15/02 - Procédés ou appareils spécialement adaptés à la fabrication, l'assemblage, l'entretien ou la réparation des machines dynamo-électriques des corps statoriques ou rotoriques
• H02K 1/14 - Noyaux statoriques à pôles saillants
• H02K 3/52 - Fixation des enroulements de pôles saillants ou de leurs connexions
• H02K 5/20 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction avec des canaux ou des conduits pour la circulation d'un agent de refroidissement
• H02K 21/24 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents avec des induits fixes et des aimants tournants avec des aimants disposés axialement en face des induits, p. ex. dynamos de bicyclette du type moyeu
• H02K 5/22 - Parties auxiliaires des enveloppes non couvertes par les groupes , p. ex. façonnées pour former des boîtes à connexions ou à bornes
• H02K 9/19 - Dispositions de refroidissement ou de ventilation pour machines avec enveloppe fermée et circuit fermé de refroidissement utilisant un agent de refroidissement liquide, p. ex. de l'huile

Produits et services

Alternating current electrical motors, and their parts, other than for land vehicles; axial flux electrical motors, and their parts, other than for land vehicles; direct current electrical motors, and their parts, other than for land vehicles; electric engines, and their parts, other than for land vehicles; electric motors, and their parts, other than for land vehicles; electric driving motors, and their parts, other than for land vehicles; electric motors; electric starter motors. Alternating current electrical motors, and their parts, for land vehicles; axial flux electrical motors, and their parts, for land vehicles; direct current electrical motors, and their parts, for land vehicles; electric engines, and their parts, for land vehicles; electric motors, and their parts, for land vehicles; electric driving motors, and their parts, for land vehicles; electrically powered motor vehicles. Design of electric motors and their parts; design of electric engines and their parts; research and development of electric motors and their parts; research and development of electric engines and their parts.

Produits et services

Alternating current electrical motors, and their parts, other than for land vehicles; Parts for alternating current electrical motors, for land vehicles; Axial flux electrical motors, and their parts, other than for land vehicles; Parts for axial flux electrical motors, for land vehicles; Direct current electrical motors, and their parts, other than for land vehicles; Parts for direct current electrical motors, for land vehicles; Electric engines, and their parts, other than for land vehicles; Parts for electric engines for, land vehicles; Electric motors, and their parts, other than for land vehicles; Parts for electric motors, for land vehicles; Electric driving motors, and their parts, other than for land vehicles; Parts for electric driving motors, for land vehicles; Electric motors; Electric starter motors. Alternating current electrical motors for land vehicles; Axial flux electrical motors for land vehicles; Direct current electrical motors for land vehicles; Electric engines for land vehicles; Electric motors for land vehicles; Electric driving motors for land vehicles; Electrically powered motor vehicles. Design of electric motors and their parts; design of electric engines and their parts; research and development of electric motors and their parts; research and development of electric engines and their parts.

Abrégé

a,b) defined between them. The rotor (14) comprises a housing (54) of a chamber (70) containing refrigerant (82). The rotor housing (54) has heat dissipating fins (96) accessible by the open environment whereby air movement relative to the housing caused at least by rotation of the rotor absorbs heat from the fins. The machine may be an axial flux machine, the coils being wound on bars that are disposed circumferentially spaced around a fixed axle of the machine forming a rotational axis (80) of the rotor. The machine may be a wheel motor for a vehicle, wherein the wheel is mounted directly on the rotor housing (14).

Classes IPC  ?

• H02K 9/20 - Dispositions de refroidissement ou de ventilation pour machines avec enveloppe fermée et circuit fermé de refroidissement utilisant un agent de refroidissement liquide, p. ex. de l'huile dans lesquels l'agent de refroidissement se vaporise dans l'enveloppe de la machine
• H02K 7/10 - Association structurelle avec des embrayages, des freins, des engrenages, des poulies ou des démarreurs mécaniques
• B60K 1/00 - Agencement ou montage des ensembles de propulsion électriques
• H02P 3/14 - Dispositions pour l'arrêt ou le ralentissement de moteurs, génératrices électriques ou de convertisseurs dynamo-électriques pour arrêter ou ralentir individuellement un moteur dynamo-électrique ou un convertisseur dynamo-électrique pour arrêter ou ralentir un moteur à courant continu par freinage en récupération

Abrégé

1) of the stator. The bearing comprises rolling elements rolling on a surface of the rotor that is no closer to the rotor axis than a second, rotor radius (r), which rotor radius is between 60% and 90% of the stator radius.

Classes IPC  ?

• H02K 5/16 - Moyens de support des paliers, p. ex. supports isolants ou moyens pour ajuster les paliers dans leurs flasques
• H02K 7/08 - Association structurelle avec des paliers
• H02K 21/24 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents avec des induits fixes et des aimants tournants avec des aimants disposés axialement en face des induits, p. ex. dynamos de bicyclette du type moyeu
• H02K 1/18 - Moyens de montage ou de fixation des parties magnétiques fixes sur ou aux structures constituant le stator
• H02K 1/28 - Moyens de montage ou de fixation des parties magnétiques tournantes sur ou aux structures constituant le rotor
• H02K 5/128 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction spécialement adaptées à un fonctionnement dans un liquide ou dans un gaz utilisant des manchons d'entrefer ou des disques à film d'air
• H02K 5/20 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction avec des canaux ou des conduits pour la circulation d'un agent de refroidissement
• H02K 9/197 - Dispositions de refroidissement ou de ventilation pour machines avec enveloppe fermée et circuit fermé de refroidissement utilisant un agent de refroidissement liquide, p. ex. de l'huile dans lesquels l'espace du rotor ou du stator est étanche au fluide, p. ex. pour pourvoir le rotor et le stator d'agents de refroidissement différents
• H02K 1/14 - Noyaux statoriques à pôles saillants
• H02K 3/24 - Enroulements caractérisés par la configuration, la forme ou le genre de construction du conducteur, p. ex. avec des conducteurs en barre avec des canaux ou des conduits pour un agent de refroidissement entre les conducteurs

Abrégé

a) of the bar and said reluctance-plane of the shoe is transverse said longitudinal axis.

Classes IPC  ?

• H02K 29/03 - Moteurs ou génératrices à dispositifs de commutation non mécaniques, p. ex. tubes à décharge ou dispositifs à semi-conducteurs avec un circuit magnétique spécialement adapté pour éviter des ondulations du couple ou des problèmes de démarrage autonome
• H02K 21/12 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents avec des induits fixes et des aimants tournants
• H02K 21/24 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents avec des induits fixes et des aimants tournants avec des aimants disposés axialement en face des induits, p. ex. dynamos de bicyclette du type moyeu

Abrégé

a, b,146) that extends between the air gap and defines a chamber (52; 152) incorporating cooling medium to cool the coils.

Classes IPC  ?

• H02K 3/24 - Enroulements caractérisés par la configuration, la forme ou le genre de construction du conducteur, p. ex. avec des conducteurs en barre avec des canaux ou des conduits pour un agent de refroidissement entre les conducteurs
• H02K 5/20 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction avec des canaux ou des conduits pour la circulation d'un agent de refroidissement
• H02K 9/197 - Dispositions de refroidissement ou de ventilation pour machines avec enveloppe fermée et circuit fermé de refroidissement utilisant un agent de refroidissement liquide, p. ex. de l'huile dans lesquels l'espace du rotor ou du stator est étanche au fluide, p. ex. pour pourvoir le rotor et le stator d'agents de refroidissement différents
• H02K 16/02 - Machines avec un stator et deux rotors
• H02K 21/24 - Moteurs synchrones à aimants permanentsGénératrices synchrones à aimants permanents avec des induits fixes et des aimants tournants avec des aimants disposés axialement en face des induits, p. ex. dynamos de bicyclette du type moyeu
• H02K 1/30 - Moyens de montage ou de fixation des parties magnétiques tournantes sur ou aux structures constituant le rotor utilisant des pièces intermédiaires, p. ex. des croisillons
• H02K 15/12 - Imprégnation, chauffage ou séchage des bobinages, des stators, des rotors ou des machines