An air transferring system is disclosed. The air transferring system includes an enclosure, a faceplate, and a blower assembly attached to the faceplate. The enclosure includes a base, a lid having an air exhaust, and a shroud. The shroud has an open shroud top, an open shroud bottom, and an opening in the shroud defined between a first shroud edge and a second shroud edge. Each of the shroud edges extends between the open shroud top and the shroud bottom. The faceplate includes a faceplate opening that extends between the first and second shroud edges. The blower assembly includes a blower exhaust proximate to all of the faceplate opening, an exhaust opening, and an impeller for drawing air through the air exhaust, faceplate opening, and blower exhaust and urging the air out the exhaust.
A motor assembly having a stator assembly and a rotor assembly for an electric motor assembly is disclosed. The stator assembly includes at least two stator arms. Each stator arm including: a distal portion having an inner surface and a plurality of stator teeth spaced along the inner surface of each of the at least two stator arms, the distal portions collectively defining a stator opening, the opening having a longitudinal axis, and, a conductor portion located proximate to the distal portion, the conductor portion non-axisymmetric relative to the longitudinal axis of the opening; and. The rotor assembly is located in the opening proximate the stator teeth.
H02K 49/10 - Embrayages dynamo-électriquesFreins dynamo-électriques du type à aimant permanent
3.
METHODS AND CIRCUITS FOR LINE SYNCHRONIZATION DURING TRANSITION OF AN ELECTRIC MOTOR BETWEEN VARIABLE FREQUENCY INVERTER POWER AND LINE FREQUENCY POWER
A system including an electric motor of a compressor system and a controller is disclosed. The electric motor includes an inverter and a contactor to operate the electric motor at variable frequency power and line frequency power, respectively. The controller is configured to determine that the electric motor needs to be operated using the line frequency power instead of the variable frequency power in accordance with a load condition on the system. The controller is configured to determine a time to generate a signal to close the contactor by energizing a coil of the contactor, and initiate transition of the electric motor to operate using the line frequency power instead of the variable frequency power by applying the signal to close the contactor at the determined time.
H02K 11/33 - Circuits d’entraînement, p. ex. circuits électroniques de puissance
F25B 49/02 - Disposition ou montage des dispositifs de commande ou de sécurité pour machines, installations ou systèmes du type à compression
H02P 27/06 - 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
4.
METHODS AND CIRCUITS FOR CROSS CONDUCTION PROTECTION IN AN ELECTRIC MOTOR
A system including an electric motor of a compressor system and a controller is disclosed. The electric motor includes a switch configured to provide line frequency power to the electric motor to drive the electric motor at a full speed, and an inverter to provide variable frequency power to the electric motor to drive the electric motor at a variable speed. The controller is configured to determine whether the switch is closed in response to powering up the electric motor and before supplying the variable frequency power to the electric motor from the inverter. The controller is configured to prevent supply of the variable frequency power to the electric motor from the inverter to prevent damage to the inverter based on the determining that the switch is closed and generate an alert notification to notify a user of a fault in the switch.
H02P 29/032 - Prévention d’un endommagement du moteur, p. ex. détermination de limites individuelles de courant pour différentes conditions de fonctionnement
motors other than for land vehicles; motors, namely, AC motors for variable speed operation; motors, namely, AC motors for use in connection with heating, ventilation, air conditioning, and pumps
6.
STALL MARGIN IMPROVEMENT OF ROTOR FAN FOR A VANEAXIAL BLOWER SYSTEM
A vaneaxial blower system has an axis of rotation and includes a stator and a rotor fan. The stator and the rotor include blades. Each blade extends from a leading edge to a trailing edge. An angle beta of each blade is defined as a slope of a camber line at a location along a span of the blade. An angle theta of each blade is defined as an angle measured between a vertical axis extending through the axis of rotation and a radius at the location along the span of the blade. The angle beta and the angle theta for the blades are selected to provide improved performance of the vaneaxial blower system.
An HVAC system including a compressor, a fan, and a bypass circuit for the compressor and/or fan are described herein. The bypass system includes a combination of circuits that work together to allow an electric machine to continue operation. The bypass circuit can be coupled to a failed drive to continue to operate the HVAC system if the drive or another part fails.
H02P 29/028 - Détection d’un défaut, p. ex. court circuit, rotor bloqué, circuit ouvert ou perte de charge le moteur continuant de fonctionner malgré le défaut, p. ex. élimination, compensation ou résolution du défaut
F24F 11/32 - Aménagements de commande ou de sécurité en relation avec le fonctionnement du système, p. ex. pour la sécurité ou la surveillance réagissant aux dysfonctionnements ou aux situations critiques
A frost sensor, or a frost/ice/water sensor, and systems and methods of using the same, are provided herein. The frost sensor includes a body including a measurement circuit, and a capacitance sensor including two or more co-planar plates coupled to and extending laterally from the body. The measurement circuit is configured to measure a capacitance sensed by the capacitance sensor, the measurement representing a change of material between the plates over time. The frost sensor also includes at least one mounting component coupled to and extending laterally from the body. In some instances, the frost sensor is coupled to evaporator coils of a cooling system.
A frost sensor, or a frost/ice/water sensor, and systems and methods of using the same, are provided herein. The frost sensor includes a body including a measurement circuit, and a capacitance sensor including two or more co-planar plates coupled to and extending laterally from the body. The measurement circuit is configured to measure a capacitance sensed by the capacitance sensor, the measurement representing a change of material between the plates over time. The frost sensor also includes at least one mounting component coupled to and extending laterally from the body. In some instances, the frost sensor is coupled to evaporator coils of a cooling system.
G01N 27/22 - Recherche ou analyse des matériaux par l'emploi de moyens électriques, électrochimiques ou magnétiques en recherchant l'impédance en recherchant la capacité
An electric machine includes a housing having an air intake, an air outlet, and defining an air passage therein. The air passage includes a first channel extending from the air intake in a radial direction and a second channel extending in the radial direction to the outlet. The electric machine further includes a motor assembly positioned within the housing that includes a shaft that rotates about a rotational axis that is generally perpendicular to the radial direction. The electric machine further includes an electronics assembly within the housing interior and a heat sink positioned at least partially within the air passage and thermally connected to the electronics assembly. Operation of the motor assembly draws an ambient airflow into the air passage in the radial direction through the air intake, directs the airflow along the heat sink, and exhausts the airflow through the air outlet in the radial direction.
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 9/06 - 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 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 11/30 - Association structurelle à des circuits de commande ou à des circuits d’entraînement
An air delivery system comprises an air handler enclosure having an inlet for enabling air to flow into the air handler enclosure and an outlet exhaust air out of the air handler enclosure. A blower is located in the air handler enclosure for drawing air through the inlet and exhausting air from the outlet. The system includes at least one sensor A2L refrigerant sensor for sensing the concentration of A2L refrigerant in the air delivery system, at least one auxiliary fan, and a controller is provided for receiving data from the A2L sensor, and powering the at least one auxiliary fan to reduce the concentration of A2L refrigerant below a predetermined threshold level.
F24F 11/36 - Aménagements de commande ou de sécurité en relation avec le fonctionnement du système, p. ex. pour la sécurité ou la surveillance réagissant aux dysfonctionnements ou aux situations critiques aux fuites de fluides échangeurs de chaleur
F24F 11/77 - Systèmes de commande caractérisés par leurs grandeurs de sortieDétails de construction de tels systèmes pour la commande de l’apport en air traité, p. ex. commande de la pression pour la commande du débit d'air ou de la vitesse de l’air en commandant la vitesse de rotation des ventilateurs
An electric motor system is provided. The electric motor system includes a drive circuit including an inverter configured to supply variable frequency current over a first duration and a switch configured to supply line frequency current over a second duration. The electric motor system further includes an electric motor coupled to the drive circuit and a controller communicatively coupled to the drive circuit. The controller is configured to control the inverter to supply variable frequency current to the electric motor over the first duration, determine to control the drive circuit to transition from supplying variable frequency current to supplying line frequency current, measure at least one parameter of the inverter, compute, based on the at least one measured parameter, an adjustment to a default parameter to enable the inverter to reach a threshold output frequency, and operate the inverter based on the computed adjustment to the default parameter.
H02P 1/44 - Dispositions de démarrage de moteurs électriques ou de convertisseurs dynamo-électriques pour faire démarrer des machines dynamo- électriques ou des convertisseurs dynamo-électriques pour faire démarrer individuellement un moteur d'induction monophasé par phase auxiliaire avec un condensateur
H02K 11/25 - Dispositifs pour détecter la température ou actionnés par des valeurs de cette variable
H02K 11/26 - Dispositifs de détection de la tension ou actionnés par des valeurs de cette variable, p. ex. dispositifs de protection contre les excès de tension
H02K 11/33 - Circuits d’entraînement, p. ex. circuits électroniques de puissance
H02P 27/06 - 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
23.
SYSTEMS AND METHODS FOR SELECTIVELY ENABLING POWER FACTOR CONTROL IN AN ELECTRIC MOTOR
An electric motor is provided. The electric motor includes a motor controller configured to convert AC power to a variable frequency variable voltage power for driving the electric motor according to a commanded motor output. The motor controller includes a PFC circuit configured to control a power factor of the electric motor and a microcontroller coupled to the PFC circuit and configured to activate the PFC circuit when the commanded motor output is greater than a threshold motor output, deactivate the PFC circuit when the commanded motor output is less than or equal to the threshold motor output, and generate a control signal based on the commanded motor output. The motor controller further includes an inverter configured to receive the control signal and generate the variable frequency variable voltage power according to the commanded motor output.
H02P 27/06 - 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
H02M 1/42 - Circuits ou dispositions pour corriger ou ajuster le facteur de puissance dans les convertisseurs ou les onduleurs
A control system for controlling an electric motor in a pump system. The control system includes a communications interface configured to be electrically coupled with a remote control system and receive a command therefrom. The control system further includes a processing unit coupled to the communication interface and configured to receive the command from the communications interface, process the command to determine which communication protocol among a plurality of communication protocols to employ, and control the communications interface to transmit a response to the command using at least a portion of the communication protocol.
H02K 11/35 - Dispositifs pour enregistrer ou transmettre la valeur des paramètres d’une machine, p. ex. puces de mémoire ou émetteurs radio pour le diagnostic
An interface module configured to control a motor in an HVAC system is provided. The interface module includes a processor coupled in communication with a memory. The processor is configured to wirelessly receive configuration data from a wireless device, store the wirelessly received configuration data in the memory, determine a first operating parameter at which to operate the motor based on the configuration data and at least one signal received from a first device, and control the motor in accordance with the first operating parameter.
F24F 11/48 - Aménagements de commande ou de sécurité en relation avec le fonctionnement du système, p. ex. pour la sécurité ou la surveillance préalablement au fonctionnement normal, p. ex. préchauffage ou refroidissement préliminaire
F24F 11/65 - Traitement électronique pour la sélection d'un mode de fonctionnement
An interface module configured to control a motor in an HVAC system is provided. The interface module includes a processor coupled in communication with a memory. The processor is configured to wirelessly receive configuration data from a wireless device, store the wirelessly received configuration data in the memory, determine a first operating parameter at which to operate the motor based on the configuration data and at least one signal received from a first device, and control the motor in accordance with the first operating parameter.
F24F 11/30 - Aménagements de commande ou de sécurité en relation avec le fonctionnement du système, p. ex. pour la sécurité ou la surveillance
G05B 19/042 - Commande à programme autre que la commande numérique, c.-à-d. dans des automatismes à séquence ou dans des automates à logique utilisant des processeurs numériques
G05D 23/19 - Commande de la température caractérisée par l'utilisation de moyens électriques
H02P 31/00 - Dispositions pour la régulation ou la commande de moteurs électriques non prévues dans les groupes , ou
H04W 4/33 - Services spécialement adaptés à des environnements, à des situations ou à des fins spécifiques pour les environnements intérieurs, p. ex. les bâtiments
A rotor assembly is disclosed, including a rotatable rotor shaft defining a central axis, the rotor shaft coupled to a rotor core, the rotor core including a plurality of rotor pole pieces circumferentially located about the central axis, each pair of adjacent pole pieces being separated by a space, said rotor core comprising a plurality of core magnets located in the spaces separating the adjacent pole pieces; at least one magnet retainer plate positioned adjacent the rotor core and connected to the rotatable rotor shaft, the at least one magnet retainer plate including a plurality of circumferentially spaced magnet slots and balancing slots located between adjacent magnet slots, the balancing slots configured to receive a balancing weight; and, compression springs located in the balancing slots, each compression spring located adjacent a respective core magnet when the at least one magnet retainer plate is located adjacent the rotor core.
A centrifugal blower assembly including a blower housing having a scroll wall defining a blower chamber, the scroll wall extending circumferentially between a cutoff point to an end point defining a blower circumference, the blower housing further having a surface adjacent to the cutoff point; and a modular cutoff configured to attach to the surface of the blower housing, the modular cutoff having an abutting surface and a cutoff surface configured to extend the cutoff point of the blower by the cutoff surface to an extended cutoff surface. The abutting surface of the modular cutoff further includes an attachment feature configured to mate to an attachment feature of the blower housing.
A fuse holder is disclosed. The fuse holder includes a housing having a fuse compartment and termination compartments, each termination compartment having a cable termination aperture for receiving a cable and a lock pin slot; a bus assembly disposed including current bars having a first end and a second end extending from the termination compartment to the termination compartment, the first end having fuse contacts extending from the first end, the second end including a barb extending from the second end; and, push-in clamps disposed within the termination compartment, the push-in clamps normally biased against the barbs; wherein insertion of an electrical cable into the cable termination aperture depresses and elastically deforms the push-in clamp such that a gap is formed between the barb and the push-in clamp, wherein the push-in clamp continuously applies a biasing force against the electrical cable non-removably clamping the cable into the termination aperture.
H01H 85/22 - Organes intermédiaires ou auxiliaires destinés à porter, tenir ou retenir le fusible, coopérant avec le socle ou le support fixe, pouvant être enlevés de celui-ci pour renouveler le fusible
H01H 85/20 - Socles pour supporter le fusibleLeurs pièces détachées
42.
Systems and methods for component monitoring in an electric motor
A motor controller for an electric motor is provided. The motor controller includes an inverter configured to supply current to stator windings of the electric motor. The motor controller further includes a plurality of sensors configured to generate a sensor signal in response to detecting a parameter. The sensor signal represents a measured parameter. The motor controller further includes a processor coupled in communication with the inverter and with the plurality of sensors. The processor is configured to, in a first mode, transmit a control signal to the inverter to operate the electric motor at a first frequency. The processor is further configured to receive the sensor signal from the plurality of sensors. The processor is further configured to determine a first fault condition is present at the electric motor based on the measured parameter represented by the sensor signal.
H02P 23/04 - Dispositions ou procédés pour la commande de moteurs à courant alternatif caractérisés par un procédé de commande autre que la commande par vecteur spécialement adaptés pour amortir les oscillations des moteurs, p. ex. pour la réduction du pompage
H02P 27/06 - 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
H02P 29/028 - Détection d’un défaut, p. ex. court circuit, rotor bloqué, circuit ouvert ou perte de charge le moteur continuant de fonctionner malgré le défaut, p. ex. élimination, compensation ou résolution du défaut
43.
SYSTEMS AND METHODS FOR REGULATING ELECTRIC MOTOR OUTPUT
An electric motor for a pump includes an AC line-in node for receiving AC power supplied to the electric motor. The electric motor includes a current sensor coupled to the AC line-in node and measures current supplied to the electric motor. The electric motor includes a motor controller configured to convert the AC power supplied to a variable frequency variable voltage power for driving the electric motor at a normal output value. The motor controller includes a microcontroller and an inverter. The microcontroller is coupled to the current sensor and receives a measured value of the current supplied to the electric motor, determines the measured value is above a threshold, and transmits a control signal representing a reduced output value. The inverter receives the control signal and generates the variable frequency variable voltage power to reduce output from the electric motor according to the reduced output value.
(1) AC generators; current generators; DC generators; electric generators; generators for industrial machinery; machine parts, namely, gear drives; motors and engines used in industrial applications; starter alternators
45.
Systems and methods for hybrid drive control for an electric motor
A motor controller for an electric motor is provided. The motor controller includes a voltage limiting circuit configured to be coupled to an alternating current (AC) source and is configured to limit a voltage at an output node of the AC source, a filter configured to be coupled to the AC source and is configured to produce a filtered line frequency AC signal, a rectifier coupled to the filter and configured to produce a direct current (DC) signal from the filtered line frequency AC signal, an inverter coupled to the rectifier and configured to produce an AC signal on an input node of the electric motor, and a line contactor coupled between the AC source and the input node of the electric motor and configured to supply the input node of the electric motor directly from the AC source to energize stator windings therewith when the inverter is disabled.
H01M 50/588 - Moyens pour empêcher un usage ou une décharge indésirables pour empêcher les contacts incorrects à l’intérieur ou à l’extérieur des batteries à l’extérieur des batteries, p. ex. les contacts incorrects des bornes ou des barres omnibus
H02P 25/22 - Enroulements multiplesEnroulements pour plus de trois phases
H02P 27/06 - 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
46.
Systems and methods for dynamically changing an inverter switching frequency in an electric motor
An electric motor for a pump is provided. The electric motor includes a motor controller configured to convert alternating current (AC) power supplied to a variable frequency variable voltage power for driving the electric motor at a motor output according to a commanded motor output. The motor controller includes an inverter configured to generate the variable frequency variable voltage power according to the commanded motor output and a microcontroller coupled to the inverter. The microcontroller is configured to control the inverter to operate at a first switching frequency when the motor output is less than a threshold motor output and control the inverter to operate at a second switching frequency when the motor output is greater than the threshold motor output, wherein the second switching frequency is less than the first switching frequency.
H02P 1/26 - Dispositions de démarrage de moteurs électriques ou de convertisseurs dynamo-électriques pour faire démarrer des machines dynamo- électriques ou des convertisseurs dynamo-électriques pour faire démarrer individuellement un moteur à induction polyphasé
H02M 7/48 - 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
H02P 27/06 - 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
Controllers for controlling hybrid motor drive circuits configured to drive a motor are provided herein. A controller is configured to drive the motor using an inverter when a motor commanded frequency is not within a predetermined range of line input power frequencies, and couple line input power to an output of the inverter using a first switch device when the motor commanded frequency is within the predetermined range of line input power frequencies.
H02P 27/06 - 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
H02P 1/22 - Dispositions de démarrage de moteurs électriques ou de convertisseurs dynamo-électriques pour faire démarrer des machines dynamo- électriques ou des convertisseurs dynamo-électriques pour faire démarrer individuellement un moteur à courant continu dans l'un ou l'autre sens de rotation
H02P 1/30 - Dispositions de démarrage de moteurs électriques ou de convertisseurs dynamo-électriques pour faire démarrer des machines dynamo- électriques ou des convertisseurs dynamo-électriques pour faire démarrer individuellement un moteur à induction polyphasé par accroissement progressif de la fréquence d'alimentation du circuit primaire du moteur
H02P 1/44 - Dispositions de démarrage de moteurs électriques ou de convertisseurs dynamo-électriques pour faire démarrer des machines dynamo- électriques ou des convertisseurs dynamo-électriques pour faire démarrer individuellement un moteur d'induction monophasé par phase auxiliaire avec un condensateur
H02P 25/04 - Moteurs monophasés, p. ex. moteurs à condensateur
H02P 1/02 - Dispositions de démarrage de moteurs électriques ou de convertisseurs dynamo-électriques Détails
H02P 1/42 - Dispositions de démarrage de moteurs électriques ou de convertisseurs dynamo-électriques pour faire démarrer des machines dynamo- électriques ou des convertisseurs dynamo-électriques pour faire démarrer individuellement un moteur d'induction monophasé
49.
MULTI-CAPACITY COMPRESSOR WITH VARIABLE SPEED DRIVE AND METHOD OF USE
An HVAC system including a multi-capacity compressor, and a control system for the multi-capacity compressor are described herein. The control system includes an AC line voltage source, a variable-voltage variable-frequency drive, and a processor. The AC line voltage source is configured to operate the multi-capacity compressor. The variable-voltage variable-frequency drive is coupled to the AC line voltage source and is configured to operate the multi-capacity compressor at a variable speed. The processor is coupled to the AC line voltage source and the variable-voltage variable-frequency drive and is configured to selectively couple the AC line voltage source and the variable-voltage variable-frequency drive to the multi-capacity compressor to operate the multi-capacity compressor. The processor is further configured to transmit a capacity control signal to the multi-capacity compressor. The capacity control signal is instructive to operate the multi-capacity compressor in one of a plurality of capacity settings.
A mount assembly for supporting an electric machine assembly is provided. The electric machine assembly includes a base and at least one elastic component disposed between the base and the electric machine assembly. The at least one elastic component dampens vibrations generated by the electric machine assembly. The electric machine assembly may be selectively arranged in at least one of a first orientation, a second orientation, and a third orientation relative to the base.
A health monitor circuit for an electric machine includes a plurality of sensors, a rectifier, a memory device, and a microprocessor. The plurality of sensors includes a current transformer configured to be electromagnetically coupled to an electrical conductor that feeds a stator winding of the electric machine. The rectifier is coupled to the current transformer and is configured to convert an AC signal generated by the current transformer to a DC signal to supply power for the health monitor circuit. The microprocessor is coupled to the memory device and the plurality of sensors. The microprocessor is configured to periodically collect a stator current measurement from the current transformer and write the stator current measurement to the memory device.
G01R 31/3842 - Dispositions pour la surveillance de variables des batteries ou des accumulateurs, p. ex. état de charge combinant des mesures de tension et de courant
G01R 15/18 - Adaptations fournissant une isolation en tension ou en courant, p. ex. adaptations pour les réseaux à haute tension ou à courant fort utilisant des dispositifs inductifs, p. ex. des transformateurs
An electric motor system is described. The electric motor system includes a drive circuit configured to supply variable frequency current and a contactor configured to supply line frequency current, wherein the drive circuit includes a three-phase inverter and an H-bridge including two phases of the inverter. The electric motor system also includes an electric motor and a controller. The controller is configured to control the inverter to supply variable frequency current to the electric motor over a first duration and determine to control the drive circuit to transition from supplying variable frequency current to supplying line frequency current. The controller is also configured to determine a polarity of a sensed alternating current (AC) voltage, disable at least two switches of the H-bridge, and control the contactor to close, thereby preventing the contactor and the inverter from energizing the electric motor at the same time once the contactor is closed.
H02P 27/04 - 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
H02P 23/28 - Commande du moteur par variation de la fréquence de commutation des interrupteurs connectés à une alimentation en courant continu et des phases du moteur
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
providing an incentive award program for dealers and consumers that provides for discounted pricing for and expedited shipping of specified products to the dealers and consumers for their purchases of said specified products
A control system for a cooling system configured to selectively operate one or both of a condenser fan an evaporator fan in a reverse direction RD, measure power draw at the motor against configuration data and fan motor profiles, and determine if a blockage has occurred before the static pressure has reached a critical point static pressure where the efficiency, performance, and cooling capability of the cooling system is hindered and maintenance is required to clear the blockage. By determining if blockage has occurred before the static pressure has reached the critical point static pressure, an alert or corrective action can be taken.
An electrical switch for an electric machine includes body, a stator fixedly secured to the body and a rotor. The actuator includes a first member securable to the rotor and rotatable with it. The actuator also includes a second member, a first electrically conductive member cooperates with the second member. The actuator also includes a second electrically conductive member. The second electrically conductive member is spaced from said first electrically conductive member when said first electrically conductive member is in the first axial position and electrically engaged with said first electrically conductive member when said first electrically conductive member is in the second axial position.
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
57.
METHODS AND SYSTEMS FOR AUTOMATIC ROTATION DIRECTION DETERMINATION OF ELECTRONICALLY COMMUTATED MOTOR
A method for determining a direction of rotation for an electronically commutated motor (ECM) is described. The motor is configured to rotate a blower and the method comprises rotating the blower using the ECM and determining if the resulting blower rotation is indicative of the desired direction of rotation for the blower.
A vaneaxial blower system having a stator and a rotor is disclosed. Each of the stator and rotor have a hub and blades, each of the blades have a leading edge and a trailing edge, an angle theta defined by a line extending from the respective leading edges to the respective trailing edges and the respective hub and an angle beta defined as an angle measured between a camber line between a first blade and a second blade and a horizontal tangential line that extends through respective leading edges of the first and second blade.
A blower housing comprises first and second blower housing pieces for surrounding a blower fan. The first blower housing piece comprises a blower discharge section comprising an inner tubular portion, an outer tubular portion, and a drain hole. The inner tubular portion defines a blower discharge passage. The inner and outer tubular portions define an exhaust pipe cavity adapted to receive an end margin of an exhaust pipe. The tubular portions are adapted to enable condensate water that forms on the inner surface of the exhaust pipe to flow into the exhaust pipe cavity. The drain hole extends through the outer tubular portion. The drain hole is configured to enable condensate water flowing into the exhaust pipe cavity to drain from the blower housing. The first blower housing piece is a molded one-piece member.
A sensor bearing housing assembly for use with or integrally formed with a bearing housing. The bearing housing having a base portion defining a footprint, a shaft receiving collar, and a bearing race disposed between the shaft receiving collar and the bearing housing. The sensor bearing housing assembly having a pair of lengthwise sidewalls configured to extend upward from the base portion and an endwise sidewall configured to extend upward from the base portion. The pair of lengthwise sidewalls and the endwise sidewall being joined to form a sensor volume for receiving a sensor therein generally defined within a vertical volume bounded by the footprint of the base portion. The sensor bearing housing assembly having a cutout formed in at least one of the pair of lengthwise sidewalls and the pair of endwise sidewall to permit access to a fastener extending through a mounting hole formed in the base portion.
F16C 35/04 - Supports rigides de paliersCorps de paliers, p. ex. calottes, couvercles dans le cas de roulements à billes ou à rouleaux
F16C 19/52 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec dispositifs affectés par des conditions anormales ou indésirables
An interface module and methods for controlling a motor in a heating, ventilation, and air conditioning (HVAC) system are provided. The interface module is configured to determine an operating mode selected from a plurality of operating modes of the HVAC system based on at least one signal received from at least one of a first device and a second device, determine a motor operating parameter at which to operate the motor based on the determined operating mode, and control the motor in accordance with the motor operating parameter.
F24F 11/30 - Aménagements de commande ou de sécurité en relation avec le fonctionnement du système, p. ex. pour la sécurité ou la surveillance
F24F 11/62 - Aménagements de commande ou de sécurité caractérisés par le type de commande ou par le traitement interne, p. ex. utilisant la logique floue, la commande adaptative ou l'estimation de valeurs
F24F 11/77 - Systèmes de commande caractérisés par leurs grandeurs de sortieDétails de construction de tels systèmes pour la commande de l’apport en air traité, p. ex. commande de la pression pour la commande du débit d'air ou de la vitesse de l’air en commandant la vitesse de rotation des ventilateurs
62.
Terminal box assembly for an electric motor assembly
A terminal box assembly for use with an electric motor assembly having a housing includes an annular adaptor fixedly coupled to the housing, a mounting hub extending from the housing and positioned within the adaptor, and an annular terminal box rotatably coupled to the adaptor. The terminal box includes a baseplate having a central opening defined therein and configured to receive the mounting hub therethrough. The terminal box assembly also includes a mounting bracket coupled to the mounting hub and positioned within the terminal box such that the baseplate is positioned between the mounting bracket and the adaptor. At least one fastener is inserted through an opening in the mounting bracket and is configured to selectively engage the base plate to compress the terminal box and the adaptor together.
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 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
A power sensor assembly including a sensor system having a sensor component, a circuit system, and a power receptacle system contained within a sensor housing, and further including a first power pod system having one or more power sources configured to output electrical energy, a power supply interface system operably coupled with the one or more power sources, the power supply interface system selectively connectable with the power receptacle system of the sensor system to transfer power from the one or more power sources to the sensor system, and a housing containing the one or more power sources and the power supply interface system, the housing of the first power pod system being separate from the sensor housing.
An electric motor system is described. The electric motor system includes a drive circuit including an inverter configured to supply variable frequency current and a contactor configured to supply line frequency current. The electric motor system also includes an electric motor coupled to the drive circuit wherein the electric motor is communicatively coupled to a controller. The controller is configured to control the inverter to supply variable frequency current to the electric motor, thereby operating the electric motor at a motor speed, and determine, based upon at least one input parameter, a maximum potential motor speed the inverter can achieve. The controller is also configured to receive a command to operate the electric motor at line frequency current and control the drive circuit to transition from supplying variable frequency current to supplying line frequency current before the maximum potential motor speed the inverter can achieve is reached.
H02P 27/04 - 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
H02P 25/04 - Moteurs monophasés, p. ex. moteurs à condensateur
H02P 27/06 - 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
65.
BLOWER HAVING A PROTRUSION ADJACENT THE STATIC TAP HOLE
A blower comprising a blower housing, a blower wheel, and a motor. The blower wheel is within the blower housing and has a plurality of blades. The motor is operatively connected to the blower wheel to rotate the blower wheel about an axis of rotation. The blower housing comprises a wall perpendicular to the axis of rotation. The wall has a static tap hole having a leading edge and a trailing edge. The static tap hole is positioned near an axial side of the blower wheel such that as the blower wheel rotates, any of the blades of the blower wheel passes the leading edge of the static tap hole before passing the trailing edge of the static tap hole. The wall comprises a protrusion protruding axially from the wall and toward the blower wheel. The protrusion is located adjacent the trailing edge of the static tap hole.
F04D 29/44 - Moyens de guidage du fluide, p. ex. diffuseurs
F04D 29/66 - Lutte contre la cavitation, les tourbillons, le bruit, les vibrations ou phénomènes analoguesÉquilibrage
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
66.
Blower having a protrusion adjacent the static tap hole
A blower comprising a blower housing, a blower wheel, and a motor. The blower wheel is within the blower housing and has a plurality of blades. The motor is operatively connected to the blower wheel to rotate the blower wheel about an axis of rotation. The blower housing comprises a wall perpendicular to the axis of rotation. The wall has a static tap hole having a leading edge and a trailing edge. The static tap hole is positioned near an axial side of the blower wheel such that as the blower wheel rotates, any of the blades of the blower wheel passes the leading edge of the static tap hole before passing the trailing edge of the static tap hole. The wall comprises a protrusion protruding axially from the wall and toward the blower wheel. The protrusion is located adjacent the trailing edge of the static tap hole.
A transfer module assembly includes a frame, a conveyor belt with internal rotating elements, where the conveyer belt is supported by the frame, conveyor drive rollers supported by the frame and configured to drive the conveyor belt, a flat transfer belt mounted beneath the conveyor belt and configured to contact undersides of the internal rotating elements of the conveyor belt in operation, and flat transfer belt drive rollers supported by the frame and configured to drive the flat transfer belt. The conveyor drive rollers are friction-based and operate without use of a sprocket, and comprise depressions for receiving the internal rotating elements of the conveyor belt.
B07C 5/36 - Appareils trieurs caractérisés par les moyens qu'ils utilisent en vue de la distribution
B65G 17/24 - Transporteurs comportant un élément de traction sans fin, p. ex. une chaîne transmettant le mouvement à une surface porteuse de charges continue ou sensiblement continue, ou à une série de porte-charges individuelsTransporteurs à chaîne sans fin dans lesquels des chaînes constituent la surface portant la charge comportant une série de rouleaux que l'élément de traction déplace sur une surface portante pour effectuer le transport des charges ou des porte-charges
B65G 15/46 - Courroies ou porte-charges sans fin analogues en caoutchouc ou en matière plastique comportant des éléments de guidage
B65G 13/06 - Dispositifs d'entraînement des rouleaux
A modular transfer system with a primary flow system and a diverter system. The primary flow system includes a primary flow belt for conveying an article along a primary flow path from an infeed side of the modular transfer system to a pass-through side of the modular transfer system. The diverter system includes one or more diverter belts for diverting an article from the primary flow path towards a divert side of the modular transfer system. The primary flow belt includes multiple movable components contacting the diverter belt. The movable components can have one or more rotational degrees of freedom.
B65G 47/46 - Dispositifs pour décharger les objets ou matériaux des transporteurs avec distribution, p. ex. automatique, aux points voulus
B65G 17/34 - Porte-charges individuels à surfaces planes, p. ex. plates-formes, grilles, fourches
B65G 23/06 - Tambours, rouleaux ou roues avec saillies s'engageant dans des butées sur les courroies ou les chaînes, p. ex. des roues dentées
B65G 17/40 - Chaînes jouant le rôle de porte-charges
B65G 13/071 - Dispositifs d'entraînement des rouleaux à enclenchement par friction
B65G 17/08 - Transporteurs comportant un élément de traction sans fin, p. ex. une chaîne transmettant le mouvement à une surface porteuse de charges continue ou sensiblement continue, ou à une série de porte-charges individuelsTransporteurs à chaîne sans fin dans lesquels des chaînes constituent la surface portant la charge avec une surface portante formée par une série de maillons, de plaques ou plates-formes reliés entre eux, p. ex. longitudinaux la surface étant formée par l'élément de traction
B65G 17/24 - Transporteurs comportant un élément de traction sans fin, p. ex. une chaîne transmettant le mouvement à une surface porteuse de charges continue ou sensiblement continue, ou à une série de porte-charges individuelsTransporteurs à chaîne sans fin dans lesquels des chaînes constituent la surface portant la charge comportant une série de rouleaux que l'élément de traction déplace sur une surface portante pour effectuer le transport des charges ou des porte-charges
B65G 39/02 - Adaptation des rouleaux individuels ou supports à cet effet
A blower has a blower housing of clamshell construction, including two housing members having a scroll back wall molded with radial draft, an impeller and a motor within the housing, and a static tap connected to the housing. The impeller has a backplate with a backplate back surface region of substantially the same radially converging shape as that of a front surface region of the scroll back wall formed by the radial draft, providing a substantially uniform axial gap between the backplate back surface region and the scroll back wall. The impeller has a ring connected by a skirt to the back plate to define a stepped area behind the ring. The impeller includes impeller blades extending forwardly from the impeller backplate and the ring and back fins extending rearwardly from the ring. The blower has a scroll width of about twice an impeller exhaust width.
40 - Traitement de matériaux; recyclage, purification de l'air et traitement de l'eau
Produits et services
(1) Rotary blowers for use in residential and commercial HVAC systems and refrigeration systems.
(2) Fans for use in heating, namely, electric heating fans and gas heating fans; fans for use in ventilation, namely, ventilating fans for use in residential and commercial HVAC systems and refrigeration systems; fans for use in air conditioning units. (1) Assembly of products for others in the nature of blower assembly for use in heating, ventilation, and air conditioning units comprised of a fan, motor and motor controller.
A blower fan assembly comprising a scroll housing, a forward curved blower wheel, and a blower motor adapted to rotate the blower wheel about a blower wheel axis. The forward-curved blower wheel comprises a plurality of fan blades circumferentially spaced about the blower wheel axis. Each of the fan blades has a leading edge with a leading edge angle and a trailing edge with a trailing edge angle. The leading edge angle is at least 50° and not more than 80°. The trailing edge angle is at least 5.5° and not more than 18.5°. The outer radius is not more than 4 inches (101.6 mm).
A sensor bearing housing assembly for use with or integrally formed with a bearing housing. The bearing housing having a base portion defining a footprint, a shaft receiving collar, and a bearing race disposed between the shaft receiving collar and the bearing housing. The sensor bearing housing assembly having a pair of lengthwise sidewalls configured to extend upward from the base portion and an endwise sidewall configured to extend upward from the base portion. The pair of lengthwise sidewalls and the endwise sidewall being joined to form a sensor volume for receiving a sensor therein generally defined within a vertical volume bounded by the footprint of the base portion. The sensor bearing housing assembly having a cutout formed in at least one of the pair of lengthwise sidewalls and the pair of endwise sidewall to permit access to a fastener extending through a mounting hole formed in the base portion.
F16C 19/52 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec dispositifs affectés par des conditions anormales ou indésirables
F16C 35/04 - Supports rigides de paliersCorps de paliers, p. ex. calottes, couvercles dans le cas de roulements à billes ou à rouleaux
F16C 19/06 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec roulements à billes essentiellement du même calibre, en une ou plusieurs rangées circulaires pour charges radiales principalement avec une seule rangée de billes
F16C 33/58 - Chemins de roulementBagues de roulement
A blower fan assembly comprising a scroll housing, a forward curved blower wheel, and a blower motor adapted to rotate the blower wheel about a blower wheel axis. The forward-curved blower wheel comprises a plurality of fan blades circumferentially spaced about the blower wheel axis. Each of the fan blades has a leading edge with a leading edge angle and a trailing edge with a trailing edge angle. The leading edge angle is at least 50° and not more than 80°. The trailing edge angle is at least 5.5° and not more than 18.5°. The outer radius is not more than 4 inches (101.6 mm).
An electric machine including a housing assembly including a first end and a second end, a stator, a rotor, and a fan is provided. The housing assembly includes a terminal box positioned at the first end, an end plate coupled to the terminal box and including a plurality of inlet apertures, and a casing coupled to the end plate and extending toward the second end. The stator is fixedly secured to the housing assembly and positioned within the casing. The rotor is rotatably secured to the housing assembly and positioned within the casing such that the stator and the rotor are separated within the casing by an air gap. The fan is positioned inside the casing and is configured to draw air into the housing assembly through the plurality of inlet apertures.
H02K 9/14 - Dispositions de refroidissement ou de ventilation dans lesquels l'agent de refroidissement gazeux circule entre l'enveloppe de la machine et une chemise extérieure
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 1/22 - Parties tournantes du circuit magnétique
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 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
An electric machine including a housing assembly including a first end and a second end, a stator, a rotor, and a fan is provided. The housing assembly includes a terminal box positioned at the first end, an end plate coupled to the terminal box and including a plurality of inlet apertures, and a casing coupled to the end plate and extending toward the second end. The stator is fixedly secured to the housing assembly and positioned within the casing. The rotor is rotatably secured to the housing assembly and positioned within the casing such that the stator and the rotor are separated within the casing by an air gap. The fan is positioned inside the casing and is configured to draw air into the housing assembly through the plurality of inlet apertures.
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 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 11/33 - Circuits d’entraînement, p. ex. circuits électroniques de puissance
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
78.
Systems and methods for hybrid drive control for an electric motor
A motor controller for an electric motor is provided. The motor controller includes a voltage limiting circuit configured to be coupled to an alternating current (AC) source and is configured to limit a voltage at an output node of the AC source, a filter configured to be coupled to the AC source and is configured to produce a filtered line frequency AC signal, a rectifier coupled to the filter and configured to produce a direct current (DC) signal from the filtered line frequency AC signal, an inverter coupled to the rectifier and configured to produce an AC signal on an input node of the electric motor, and a line contactor coupled between the AC source and the input node of the electric motor and configured to supply the input node of the electric motor directly from the AC source to energize stator windings therewith when the inverter is disabled.
H02P 9/04 - Commande s'exerçant sur un moteur primaire non électrique et dépendant de la valeur d'une caractéristique électrique à la sortie de la génératrice
H02P 27/06 - 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
H02P 25/22 - Enroulements multiplesEnroulements pour plus de trois phases
A modular transfer system with a primary flow system and a diverter system. The primary flow system includes a primary flow belt for conveying an article along a primary flow path from an infeed side of the modular transfer system to a pass-through side of the modular transfer system. The diverter system includes one or more diverter belts for diverting an article from the primary flow path towards a divert side of the modular transfer system. The primary flow belt includes multiple movable components contacting the diverter belt. The movable components can have one or more rotational degrees of freedom.
B65G 47/46 - Dispositifs pour décharger les objets ou matériaux des transporteurs avec distribution, p. ex. automatique, aux points voulus
B65G 17/34 - Porte-charges individuels à surfaces planes, p. ex. plates-formes, grilles, fourches
B65G 23/06 - Tambours, rouleaux ou roues avec saillies s'engageant dans des butées sur les courroies ou les chaînes, p. ex. des roues dentées
B65G 17/40 - Chaînes jouant le rôle de porte-charges
B65G 13/071 - Dispositifs d'entraînement des rouleaux à enclenchement par friction
B65G 17/08 - Transporteurs comportant un élément de traction sans fin, p. ex. une chaîne transmettant le mouvement à une surface porteuse de charges continue ou sensiblement continue, ou à une série de porte-charges individuelsTransporteurs à chaîne sans fin dans lesquels des chaînes constituent la surface portant la charge avec une surface portante formée par une série de maillons, de plaques ou plates-formes reliés entre eux, p. ex. longitudinaux la surface étant formée par l'élément de traction
B65G 17/24 - Transporteurs comportant un élément de traction sans fin, p. ex. une chaîne transmettant le mouvement à une surface porteuse de charges continue ou sensiblement continue, ou à une série de porte-charges individuelsTransporteurs à chaîne sans fin dans lesquels des chaînes constituent la surface portant la charge comportant une série de rouleaux que l'élément de traction déplace sur une surface portante pour effectuer le transport des charges ou des porte-charges
B65G 39/02 - Adaptation des rouleaux individuels ou supports à cet effet
80.
SYSTEMS AND METHODS FOR HYBRID DRIVE CONTROL FOR AN ELECTRIC MOTOR
A health monitor circuit for an electric machine is described. The health monitor circuit includes at least one sensor configured to measure a parameter of the electric machine, a communication interface, and a microprocessor coupled to the at least one sensor, the communication interface, and a memory. The microprocessor is configured to periodically collect time samples of the parameter measured by the at least one sensor, transmit factors of the time samples to the memory, and perform a high resolution fast-Fourier transform (FFT) on the factors. The microprocessor is also configured to extrapolate results of the high resolution FFT to a produce a high resolution frequency domain waveform, filter the high resolution frequency domain waveform by a parameter, and transmit, via the communication interface, the filtered frequency domain waveform to a remote system for further processing.
G05B 19/042 - Commande à programme autre que la commande numérique, c.-à-d. dans des automatismes à séquence ou dans des automates à logique utilisant des processeurs numériques
A blower housing comprises first and second blower housing pieces for surrounding a blower fan. The first blower housing piece comprises a blower discharge section comprising an inner tubular portion, an outer tubular portion, and a drain hole. The inner tubular portion defines a blower discharge passage. The inner and outer tubular portions define an exhaust pipe cavity adapted to receive an end margin of an exhaust pipe. The tubular portions are adapted to enable condensate water that forms on the inner surface of the exhaust pipe to flow into the exhaust pipe cavity. The drain hole extends through the outer tubular portion. The drain hole is configured to enable condensate water flowing into the exhaust pipe cavity to drain from the blower housing. The first blower housing piece is a molded one-piece member.
An electric motor system is described. The electric motor system includes a drive circuit configured to supply variable frequency current and a contactor configured to supply line frequency current, wherein the drive circuit includes a three-phase inverter and an H-bridge including two phases of the inverter. The electric motor system also includes an electric motor and a controller. The controller is configured to control the inverter to supply variable frequency current to the electric motor over a first duration and determine to control the drive circuit to transition from supplying variable frequency current to supplying line frequency current. The controller is also configured to determine a polarity of a sensed alternating current (AC) voltage, disable at least two switches of the H-bridge, and control the contactor to close, thereby preventing the contactor and the inverter from energizing the electric motor at the same time once the contactor is closed.
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
H02P 23/28 - Commande du moteur par variation de la fréquence de commutation des interrupteurs connectés à une alimentation en courant continu et des phases du moteur
H02P 27/04 - 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
A control system for an electric motor in a compressor system includes a processing system configured to control an inverter to supply variable frequency power to the electric motor from the inverter. The processing system is configured to determine when to transition from supplying variable frequency power to supplying line frequency power to the electric motor. The processing system is configured to engage a pressure equalization mechanism to at least partially reduce a pressure differential developed between a suction portion and a discharge portion of the compressor system. The processing system is configured to apply line frequency power to at least one winding of the electric motor.
F04D 27/00 - Commande, p. ex. régulation, des pompes, des installations ou des systèmes de pompage spécialement adaptés aux fluides compressibles
H02P 27/06 - 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
86.
SYSTEMS AND METHODS FOR CONTROLLING AN ELECTRIC BLOWER MOTOR IN A FLUID MOVING SYSTEM
A control system for an electric motor configured to drive a fluid-moving apparatus. The control system includes a drive circuit and a processor coupled in communication with the drive circuit. The processor is configured to control the drive circuit to operate the electric motor at a plurality of control values of a control parameter and determine, for each of the plurality of control values, a fluid-flow value and a feedback value, the feedback value corresponding to a feedback parameter, compute a mathematical relationship between fluid-flow rate and one of the control parameter or the feedback parameter, receive a fluid-flow rate demand value, compute an operating setpoint for the control parameter based on the fluid-flow rate demand value and the computed mathematical relationship, and control the drive circuit to operate the electric motor at the operating setpoint.
F24F 11/77 - Systèmes de commande caractérisés par leurs grandeurs de sortieDétails de construction de tels systèmes pour la commande de l’apport en air traité, p. ex. commande de la pression pour la commande du débit d'air ou de la vitesse de l’air en commandant la vitesse de rotation des ventilateurs
An electric machine assembly includes a housing having a first portion and a second portion. The electric machine assembly also includes a midframe coupled between the first and second portions such that the mid-frame and the first portion partially define a first compartment and such that the mid-frame and the second portion partially define a second compartment. A terminal box is coupled to the mid-frame and configured to house a first plurality of electrical components. A stator is positioned within the first compartment and a second plurality of electrical components positioned with the second compartment. The stator and the second plurality of electrical components are electrically coupled by a first plurality of wires extending through the mid-frame, and the first plurality of electrical components are electrically coupled to the second plurality of electrical components by a second plurality of wires extending through the second compartment and into the terminal box.
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 3/52 - Fixation des enroulements de pôles saillants ou de leurs connexions
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
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
88.
SYSTEMS AND METHODS FOR CONTROL OF A PUMP MOTOR HAVING PHYSICALLY SEPARATED CONTROL BOARDS
A control system for a pump motor includes a first portion disposed outside a housing of the pump motor. The first portion may include a wireless communication interface and a processor. In some embodiments, the processor of the first portion is configured to control the wireless communication interface to receive a user input from a user device, and generate a control signal in response to receiving the user input. The control system also includes a second portion physically separate from the first portion and communicatively coupled to the first portion. The second portion may include a processor configured to receive the control signal from the first portion, and control the pump motor in response to receiving the control signal.
F04D 13/08 - Ensembles comprenant les pompes et leurs moyens d'entraînement la pompe étant entraînée par l'électricité pour utilisation en position immergée
F04D 15/00 - Commande, p. ex. régulation de pompes, d'installations ou de systèmes de pompage
E04H 4/12 - Dispositifs ou aménagements pour faire circuler l'eau
G08C 17/02 - Dispositions pour transmettre des signaux caractérisées par l'utilisation d'une voie électrique sans fil utilisant une voie radio
H04W 4/80 - Services utilisant la communication de courte portée, p. ex. la communication en champ proche, l'identification par radiofréquence ou la communication à faible consommation d’énergie
An electrical machine assembly including a housing, a shroud, and a terminal box coupled to the housing. The terminal box includes a base having an outer wall extending therefrom, wherein the outer wall includes a distal edge that is correspondingly shaped with the housing such that the outer wall engages with the housing and with the shroud to form a seal.
H02K 5/22 - Parties auxiliaires des enveloppes non couvertes par les groupes , p. ex. façonnées pour former des boîtes à connexions ou à bornes
H02G 11/00 - Installations de câbles ou de lignes électriques entre deux pièces en mouvement relatif
H02K 3/52 - Fixation des enroulements de pôles saillants ou de leurs connexions
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
H02K 5/15 - Montage des flasques-paliers ou des plaques d'extrémité
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 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 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 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
H05K 7/14 - Montage de la structure de support dans l'enveloppe, sur cadre ou sur bâti
90.
ELECTRIC MACHINE ASSEMBLY HAVING END FRAME COOLING
An electric machine assembly includes a shaft configured to rotate about an axis and an end frame coupled about the shaft such that the shaft rotates relative to the end frame. The end frame includes an end surface and a plurality of pins that extend axially from the end surface. The electric machine assembly also includes a fan coupled to the shaft such that rotation of the shaft causes rotation of the fan to facilitate cooling the plurality of pins.
H02K 5/15 - Montage des flasques-paliers ou des plaques d'extrémité
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 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
91.
SYSTEMS AND METHODS FOR WIRELESS CONTROL OF A PUMP MOTOR
A control system for a pump motor includes a first portion disposed outside a housing of the pump motor. The first portion may include a wireless communication interface and a processor. In some embodiments, the processor of the first portion is configured to control the wireless communication interface to receive a user input from a user device, and generate a control signal in response to receiving the user input. The control system also includes a second portion physically separate from the first portion and communicatively coupled to the first portion. The second portion may include a processor configured to receive the control signal from the first portion, and control the pump motor in response to receiving the control signal.
A rotor assembly for use with an electric machine assembly includes a plurality of magnets and a rotor frame having a pair of opposing end plates and a plurality of circumferentially spaced longitudinal members extending between the opposing end plates. The opposing end plates and the plurality of longitudinal members combine to define a plurality of openings that are each configured to receive a magnet of the plurality of magnets. At least one of the opposing end plates includes a plurality of fins extending therefrom in a direction opposite the longitudinal members.
H02K 5/22 - Parties auxiliaires des enveloppes non couvertes par les groupes , p. ex. façonnées pour former des boîtes à connexions ou à bornes
H02G 11/00 - Installations de câbles ou de lignes électriques entre deux pièces en mouvement relatif
H02K 3/52 - Fixation des enroulements de pôles saillants ou de leurs connexions
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
H02K 5/15 - Montage des flasques-paliers ou des plaques d'extrémité
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 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 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 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
H05K 7/14 - Montage de la structure de support dans l'enveloppe, sur cadre ou sur bâti
An electric machine assembly includes a housing defining an inner cavity, a rotatable shaft extending through the inner cavity, and at least one electrical component positioned within the cavity. The electric machine assembly also includes an internal fan coupled to the shaft and positioned within the inner cavity such that rotation of the fan provides a cooling airflow to the at least one electrical component.
H02K 5/15 - Montage des flasques-paliers ou des plaques d'extrémité
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
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 5/22 - Parties auxiliaires des enveloppes non couvertes par les groupes , p. ex. façonnées pour former des boîtes à connexions ou à bornes
H02K 9/06 - 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 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
H02G 11/00 - Installations de câbles ou de lignes électriques entre deux pièces en mouvement relatif
H02K 3/52 - Fixation des enroulements de pôles saillants ou de leurs connexions
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
H05K 7/14 - Montage de la structure de support dans l'enveloppe, sur cadre ou sur bâti
94.
ELECTRIC MACHINE ASSEMBLY HAVING A ROTATABLE TERMINAL BOX
An electric machine assembly includes a housing having a first plurality of housing openings and a second plurality of housing openings. The electric machine assembly also includes a terminal box removably coupled to the housing, wherein the terminal box includes a base having a first plurality of base openings and a second plurality of base openings. The base is symmetrical and reversible in orientation between a first orientation and a second orientation.
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 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
95.
ELECTRIC MACHINE ASSEMBLY HAVING A WIRE GUIDING STRUCTURE
An electric machine assembly includes a housing defining an inner cavity and an electrical component positioned within the cavity. The electric machine assembly also includes a mid-frame positioned within the cavity and configured to separate the cavity into a first compartment and a second compartment. The mid-frame includes a guide structure for guiding a plurality of wires through the second compartment toward the electrical component.
A motor controller for an electric motor is provided. The motor controller includes an inverter configured to supply current to stator windings of the electric motor. The motor controller further includes a plurality of sensors configured to generate a sensor signal in response to detecting a parameter. The sensor signal represents a measured parameter. The motor controller further includes a processor coupled in communication with the inverter and with the plurality of sensors. The processor is configured to, in a first mode, transmit a control signal to the inverter to operate the electric motor at a first frequency. The processor is further configured to receive the sensor signal from the plurality of sensors. The processor is further configured to determine a first fault condition is present at the electric motor based on the measured parameter represented by the sensor signal.
H02P 27/06 - 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
H02P 29/028 - Détection d’un défaut, p. ex. court circuit, rotor bloqué, circuit ouvert ou perte de charge le moteur continuant de fonctionner malgré le défaut, p. ex. élimination, compensation ou résolution du défaut
An electric motor system is described. The electric motor system includes a drive circuit including an inverter configured to supply variable frequency current and a contactor configured to supply line frequency current. The electric motor system also includes an electric motor coupled to the drive circuit wherein the electric motor is communicatively coupled to a controller. The controller is configured to control the inverter to supply variable frequency current to the electric motor, thereby operating the electric motor at a motor speed, and determine, based upon at least one input parameter, a maximum potential motor speed the inverter can achieve. The controller is also configured to receive a command to operate the electric motor at line frequency current and control the drive circuit to transition from supplying variably frequency current to supplying line frequency current before the maximum potential motor speed the inverter can achieve is reached.
H02P 27/04 - 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
H02P 27/06 - 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
H02P 25/04 - Moteurs monophasés, p. ex. moteurs à condensateur
99.
Fan and electric machine assembly and methods therefor
A motor assembly having a rotational axis includes a motor housing comprising a plurality of cooling openings extending therethrough and defining a chamber. The motor assembly also includes a stator fixedly coupled to the motor housing and positioned within the chamber. A rotor is coupled to at least one of the motor housing and the stator, wherein the rotor is configured to rotate about the axis and is positioned within the chamber. The motor assembly includes a fan having a first inlet side on a first axial side of the fan and a second inlet side on a second, opposing, axial side of the fan. The fan is configured to draw cooling air in a first direction through the at least one cooling opening into the first inlet side, and the fan is also configured to draw cooling air in a second, opposite direction into the second inlet side.
F04D 25/08 - Ensembles comprenant des pompes et leurs moyens d'entraînement le fluide énergétique étant l'air, p. ex. pour la ventilation
F04D 29/52 - Carters d'enveloppeTubulures pour le fluide énergétique pour pompes axiales
F04D 29/58 - RefroidissementChauffageRéduction du transfert de chaleur
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
F04D 29/28 - Rotors spécialement adaptés aux fluides compressibles pour pompes centrifuges ou hélicocentrifuges
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
An electric motor system is described. The electric motor system includes a drive circuit configured to supply variable frequency current and a contactor configured to supply line frequency current, wherein the drive circuit includes a three-phase inverter and an H-bridge including two phases of the inverter. The electric motor system also includes an electric motor and a controller. The controller is configured to control the inverter to supply variable frequency current to the electric motor over a first duration and determine to control the drive circuit to transition from supplying variable frequency current to supplying line frequency current. The controller is also configured to determine a polarity of a sensed alternating current (AC) voltage, disable at least two switches of the H-bridge, and control the contactor to close, thereby preventing the contactor and the inverter from energizing the electric motor at the same time once the contactor is closed.
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
H02P 23/28 - Commande du moteur par variation de la fréquence de commutation des interrupteurs connectés à une alimentation en courant continu et des phases du moteur
H02P 27/04 - 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
