A busbar assembly includes at least two busbars each having a current flow direction and a cross-sectional area with regard to the current flow direction, the cross-sectional area having opposing first and second long sides and two opposing small sides, each busbar having a through-hole extending from the first long side to the second long side. An insulating body surrounding the long sides and the small sides of each busbar along a part of the current flow direction and forming an opening for each busbar on the first long side so as to allow access to the through-hole. The insulating body forms a collar extending away from the first long side and surrounding the openings.
H02K 3/50 - Fastening of winding heads, equalising connectors, or connections thereto
B60L 15/00 - Methods, circuits or devices for controlling the propulsion of electrically-propelled vehicles, e.g. their traction-motor speed, to achieve a desired performanceAdaptation of control equipment on electrically-propelled vehicles for remote actuation from a stationary place, from alternative parts of the vehicle or from alternative vehicles of the same vehicle train
B60L 50/51 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells characterised by AC-motors
H02K 11/33 - Drive circuits, e.g. power electronics
H02M 7/00 - Conversion of AC power input into DC power outputConversion of DC power input into AC power output
An inverter device includes a capacitor assembly, an inverter circuit, and a cooling device having a cooling channel connecting an inlet and an outlet in a fluid-conductive manner, and a heat exchange body on which semiconductor switching modules of the inverter circuit are mounted for heat exchange with the coolant. A housing structure includes multiple side walls, a base wall, and a top wall section limiting defining an accommodation space. A cavity is formed on a first side of the top wall section and limits the cooling channel together with the heat exchange body. The capacitor assembly is arranged inside the accommodation space and is thermally connected to the cooling device by a heat transfer means arranged between the capacitor assembly and the second side of the top wall section for heat exchange with the coolant.
H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
B60K 11/02 - Arrangement in connection with cooling of propulsion units with liquid cooling
B60L 15/00 - Methods, circuits or devices for controlling the propulsion of electrically-propelled vehicles, e.g. their traction-motor speed, to achieve a desired performanceAdaptation of control equipment on electrically-propelled vehicles for remote actuation from a stationary place, from alternative parts of the vehicle or from alternative vehicles of the same vehicle train
H02M 7/00 - Conversion of AC power input into DC power outputConversion of DC power input into AC power output
3.
NON-DRIVE END HOUSING ELEMENT OF AN ELECTRIC MACHINE HOUSING FOR AN ELECTRIC DRIVE ASSEMBLY OF A VEHICLE
A non-drive end housing element for an electric drive assembly of a includes a bell which includes a back wall and an outer skirt which is intended to house one end of the electric machine and which includes a flange equipped with a first sealing gasket. The back wall includes an opening intended to be traversed by the rotor shaft and which opens in a recess to receive an angular position sensor. The recess is arranged on a second side of the non-drive end housing element, opposite to the first side, and includes a recess edge equipped with a second sealing gasket. The back wall further includes a hole intended to be traversed by an electrical connection assembly for connecting the electric machine to an electric machine control module. The non-drive end housing element includes a projecting ledge which surrounds the hole and is equipped with a third sealing gasket.
H02K 5/10 - Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. of water or fingers
H02K 5/16 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
H02K 5/22 - Auxiliary parts of casings not covered by groups , e.g. shaped to form connection boxes or terminal boxes
H02K 11/33 - Drive circuits, e.g. power electronics
4.
ELECTRICAL SYSTEM COMPRISING A RADIATOR FOR COOLING AN ELECTRICAL DEVICE
The invention relates to an electrical system (100) comprising: - an electrical device (116); - a radiator (102) having a face (110; 104) for receiving the electrical device (116), this face (110; 104) being provided with an electrically insulating layer (112) having a thickness of at least 100 μm and a dielectric strength of at least 10 kV/mm; and - a thermal interface material (114) extending over the electrically insulating layer (112), the electrical device (116) extending over the thermal interface material (114).
The present disclosure relates to a rotor of an electric motor, comprising a rotor lamination assembly; a motor shaft capable of rotating around a rotation axis and rotatably fixed to the rotor lamination assembly, the motor shaft comprising a first end and a second end that extend beyond the rotor lamination assembly, the second end being opposite to the first end; and a fastening assembly fixed to the motor shaft at at least one of the first and second ends and pressed against the rotor lamination assembly. The motor shaft comprises a central hole and a first communicating hole in communication with the central hole, the fastening assembly comprises a second communicating hole in communication with an outer surface of the fastening assembly, and an accommodating space for a cooling fluid is provided in an interface area between the motor shaft and the fastening assembly.
H02K 1/28 - Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
H02K 1/32 - Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
6.
CONNECTOR ASSEMBLY, ELECTRIC DRIVE SYSTEM AND VEHICLE
A connector assembly for an electric drive system, an electric drive system and a vehicle. The connector assembly includes multiple busbars, each of the multiple busbars having a first part extending in a first direction and an electric connection terminal. Also included is a first insulating component, the first parts of the multiple busbars being at least partially arranged in the first insulating component in a mutually insulated manner. A fluid channel is arranged on the first insulating component and capable of guiding a cooling fluid from a cooling system of the electric drive system.
H01R 25/16 - Rails or bus-bars provided with a plurality of discrete connecting locations for counterparts
B60L 15/20 - Methods, circuits or devices for controlling the propulsion of electrically-propelled vehicles, e.g. their traction-motor speed, to achieve a desired performanceAdaptation of control equipment on electrically-propelled vehicles for remote actuation from a stationary place, from alternative parts of the vehicle or from alternative vehicles of the same vehicle train for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
H01R 13/52 - Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
A method of pulse width modulation (PWM) generation for a converter of an electric or hybrid vehicle electric machine. The converter is operated with phase shifts with a duty cycle associated with a phase shift, and the converter provides voltage to a transformer of the electric machine. The method of pulse width modulation generation includes operating the converter with requests of duty cycle change, with a subdivision period being defined between two requests of duty cycle change. Half of the duty cycle is applied at the start of said subdivision period and half of the duty cycle is applied at the end of said subdivision period.
B60L 15/08 - Methods, circuits or devices for controlling the propulsion of electrically-propelled vehicles, e.g. their traction-motor speed, to achieve a desired performanceAdaptation of control equipment on electrically-propelled vehicles for remote actuation from a stationary place, from alternative parts of the vehicle or from alternative vehicles of the same vehicle train characterised by the form of the current used in the control circuit using pulses
H02P 27/08 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters with pulse width modulation
The present disclosure provides an electric motor, comprising: a stator, which is provided with multiple stator teeth and multiple stator slots separated by the multiple stator teeth; and a rotor, which is rotatably arranged inside the stator. The rotor comprises: a rotor shaft, which has an extension axis; and a rotor main body, which is formed by stacking multiple laminations and is capable of rotating around the extension axis, wherein a magnet mounting slot is provided in each of the multiple laminations; a subsequent lamination in the multiple laminations deviates by a first angle along a first deviation direction with respect to a previous lamination, the first deviation direction being perpendicular to the extension axis, and sidewalls of the magnet mounting slots in the respective multiple laminations are slanted at the same second angle to form a smooth magnet mounting cavity of the rotor main body.
H02K 1/276 - Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
H02K 15/025 - Magnetic cores characterised by skewed structures in cores
H02K 15/035 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets on the rotor
9.
ELECTRICAL MACHINE SYSTEM AND MOBILITY DEVICE COMPRISING SUCH AN ELECTRICAL MACHINE SYSTEM
An electrical machine system includes an electrical machine, an inverter, and a wall with a hole. The electrical machine and the inverter extend respectively on two sides of the wall. Several busbars connect the electrical machine and the inverter, at least one of the busbars includes a first portion extending on the side of the electrical machine, a second portion extending on the side of the inverter, and a rigid central portion connecting the first and second portions, the central portion going through the hole of the wall. At least one of the first portion and the second portion includes a braided portion and a sealing device between the wall and the central portion of the busbar.
H02K 5/10 - Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. of water or fingers
H02K 3/50 - Fastening of winding heads, equalising connectors, or connections thereto
H02K 11/33 - Drive circuits, e.g. power electronics
10.
ASSEMBLY FOR SUPPLYING POWER TO A ROTATING ELECTRIC MACHINE
Assembly for supplying power to a rotating electric machine for driving a vehicle including at least one string of modules having first and second terminals. Each string includes at least one module having its tertiary and quaternary terminals connected to a first power supply bus and at least one module having its tertiary and quaternary terminals connected to a second power supply bus, the modules of each string being distributed in particular between modules having their tertiary and quaternary terminals connected to the first power supply bus and modules having their tertiary and quaternary terminals connected to the second power supply bus. At least one DC/DC converter of a module of each string is an isolated and reversible converter.
A thermal coupling device for a common mode inductor, configured to transfer heat to a heat sink. The device includes an annular prismatic ferrite core configured to be passed through by at least one electrical connector of an electronic component. A stand is secured to the heat sink, the ferrite core being in contact with the stand and the stand being configured to transfer the heat generated by the ferrite core to the heat sink. The thermal coupling device includes a clamping member configured to hold the ferrite core and the stand secured together, the ferrite core, the stand and the clamping member extending orthogonally with respect to the longitudinal reference plane of the electrical connector.
The present subject matter relates to a rotary machine (100) that includes a stator (102) that includes a stator core (104) and stator windings provided with end windings (106) arranged at two axial ends (120a; 120b). The stator core (106) includes a plurality of channels (108), each of the plurality of channels (108) extending parallel to a central axis (118) and open at the two axial ends (120a; 120b). The rotary machine (100) further includes a dispersal device (110) inserted in each of the plurality of channels (108) at either one or both the two axial ends (120a; 120b). The dispersal device (110) includes at least one spray hole (112) directed towards the end windings (106). The at least one spray hole (112) is adapted to disperse cooling medium to the end windings (106).
The present subject matter relates to a rotary machine (100) that includes a shell (102), a stator assembly (104), and a rotor assembly. The shell includes two axial ends (124), at least one of the two axial ends (124) being closed by an end plate (118). The end plate (118) includes an inner face (122) wherein a curvature (120) is formed. The hollow shaft (110) includes a first set of ducts (114) arranged circumferentially. An inlet of each of the first set of ducts (114) is open to a hollow region (112) in the hollow shaft (110) and an outlet of each of the first set of ducts (114) is open to a cavity (126) in the shell (102). The outlet is directed towards the curvature (120) of the end plate (118).
The invention relates to a device (6) comprising: - a set of busbars (21, 22), and - a DC-link capacitor, comprising a plurality of single-coil capacitors, each single-coil capacitor comprising a housing (1), a capacitor film (11) and two contact terminals (20), each of the contact terminals (20) being in contact with the set of busbars (21, 22), the device being characterised in that at least one of the housings (1) is provided with at least one protrusion (5) which engages with the set of busbars (21, 22) to attach the housing (1) to the set of busbars (21, 22).
A lamination stack (10, 13) for an electric machine (1) is disclosed, wherein the lamina- tions (11, 14) each have a ring shaped base structure (20) with recesses (21), which open to an inner edge (D) or outer edge (E) of the base structure (20). The recesses (21) have inner lamination regions (G) and lamination edge regions (H) arranged adjacent to the inner lamination regions (G) where the recesses (21) open. Inner stack regions (B) of the lamina- tion stack (10, 13) for windings (12, 15) or magnets are formed by interconnected inner lam- ination regions (G). In addition, stack edge regions (C) of the lamination stack (10, 13) are formed by interconnected lamination edge regions (H), wherein stack pipes (16) run in said stack edge regions (C). Further on, a stator (2), a rotor (3) and an electric machine (1) with such a lamination stack (10, 13) are disclosed. Finally, a vehicle (23) with such an electric machine (1) and methods of making such a lamination stack (10, 13) are disclosed.
The present invention relates to an inverter comprising a circuit board which is electrically connected to a power module and in which a through-opening is formed, at least one temperature sensor (4) connected to the circuit board and arranged extending through the through-opening, the temperature sensor (4) comprising a measurement probe (40) configured to locally measure the temperature of a terminal of the power module and/or of a capacitive module of the inverter, and an electrical connection portion (41) connected to the circuit board, and wherein the inverter further comprises a thermally conductive filling material (5) applied between the temperature measurement probe (40) and at least the portion of the corresponding terminal that is left free, said filling material being applied in particular through the through-opening in the circuit board.
An electrical connection includes several busbars designed for connecting an inverter to an electrical machine, each busbar having two fixation holes. A support designed for supporting the busbars includes grooves designed for respectively receiving the busbars, and for each groove, two fixation pins projecting from a bottom of the groove, designed for being respectively received in the fixation holes of the busbar received in the groove and for being riveted to fix the busbars to the support. Each fixation hole is larger than the fixation pin received.
String of modules for an electrical circuit including a first terminal and a second terminal. Each module includes a primary terminal and a secondary terminal, with the primary terminal being connected to the secondary terminal of another module and/or the secondary terminal being connected to the primary terminal of another module. An electrical energy storage unit and an H-switching bridge are provided. The bridge includes two switching arms having two controllable switches disposed on either side of a midpoint, each midpoint being connected to one of the terminals of the module, the electrical energy storage unit being disposed in a branch parallel to the switching arms. At least one module includes a DC/DC converter, including controllable switches, connected, to terminals of the electrical energy storage unit and to a tertiary terminal and to a quaternary terminal of the module. At least one DC/DC converter is an isolated and reversible converter.
B60L 58/22 - Balancing the charge of battery modules
B60L 58/20 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having different nominal voltages
Electric drive device (1) for a vehicle (100), the electric drive device (1) comprising: – an electric machine (14) having a stator (15a) and a rotor (15b); – a main shaft arrangement (5) attached to the rotor (15b) in a torque-proof manner and extending along a main axis (6); – a link shaft (7) extending along a link axis (8); – a first housing part (2) having a jacket section (9) accommodating the electric machine (14), a first extended section (10) extending radially with regard to the main axis (6) away from the jacket section (9) on a first axial side (12) of the jacket section (9), a second extended section (11) extending radially with regard to the main axis (6) away from the jacket section (9) on a second axial side (13) of the jacket section (9), a first axial opening (23) forming a margin (24) of the jacket section (9) and the first extended section (10) on the first axial side (12) and a second axial opening (25) forming a margin (26) of the jacket section (9) and the second extended section (11) on the second axial side (13); – a second housing part (3) forming a drive end shield for the main shaft arrangement (5) and covering the first axial opening (23); – a third housing part (4) forming a non-drive end shield for the main shaft arrangement (5) and covering the second axial opening (25); and – a gearbox (16) configured to transmit a rotating movement of the main shaft arrangement (5) to the link shaft (7) and being accommodated in the jacket section (9), the first extended section (10) and in the second housing part (4); wherein the first housing part (2) further comprises a stiffening section (30), which extends axially with regard to the link axis (9) from the first extended section (10) to the second extended section (11) and which projects radially beyond the link shaft (7).
The present invention relates to an electrical connector (2) electrically connecting a printed circuit board (1) with an electrical component (3), the printed circuit board (1) having a first face (5) and a second face (7) opposed to the first face (5), the first face (5) and the second face (7) being joined together through a side wall (9), the electrical connector (2) comprising a base (4) in contact with the electrical component (3) and at least two retaining elements (6), each retaining element (6) being configured to be in mechanical contact with the second face (7) of the printed circuit board (1), the printed circuit board (1) having a cut-out portion receiving the electrical connector (2) so that elastic deformations of the retaining elements (6), perpendicularly to and towards the second face (7), allows to maintain the mechanical contact between each retaining element (6) and the second face (7) of the printed circuit board (1), the mechanical contact between each retaining element (6) and the second face (7) of the printed circuit board (1) being accessible through the opening.
H05K 3/32 - Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
H01R 43/20 - Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
21.
STATOR ASSEMBLY FOR ELECTRIC MOTOR, ELECTRIC MOTOR, ELECTRIC DRIVE ASSEMBLY SYSTEM AND VEHICLE
The present disclosure proposes a stator assembly (10) for an electric motor, comprising: a stator core (100), the stator core (100) being constructed as a hollow cylinder, multiple axially extending teeth (110) being provided on an inner peripheral wall of the stator core (100), and conductor slots (120) being formed between adjacent teeth (110); a winding, comprising a conductor (200) arranged in the conductor slot (120); an insulator (300), enclosing the conductor (200) in the conductor slot (120); an end insulating plate (400), provided with an end plate (410) extending radially along an outer end face (130) of an axial end of the stator core (100), and multiple sheathing slots (420) extending axially from the end plate (410), each sheathing slot (420) being inserted in the corresponding conductor slot (120), so that the conductor (200) extends through the corresponding sheathing slot (420).
H02K 3/34 - Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
H02K 3/38 - Windings characterised by the shape, form or construction of the insulation around winding heads, equalising connectors, or connections thereto
H02K 3/52 - Fastening salient pole windings or connections thereto
H02K 3/50 - Fastening of winding heads, equalising connectors, or connections thereto
The invention relates to an electric machine (1) intended to be attached to the rear of a reduction device (2) and including: - a stator (16) comprising a support structure (25), a plurality of teeth (19) supported by the support structure (25) and coils (22); - a rear rotor (18) and a front rotor (17) which are arranged axially on either side of the stator (16) and which are constrained to rotate with a rotor shaft (8); and - a half-casing (9) intended to be attached to a bell housing (4) of the reduction device (2); the electric machine (1) including a rear roller bearing (43) positioned between a rear portion of the rotor shaft (8) and the half-casing (9), the rotor shaft (8) including a front portion which is intended to be guided in rotation by a front roller bearing (42) intended to be supported by the reduction device (2), the support structure (25) being made of an electrically insulating material.
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
H02K 5/15 - Mounting arrangements for bearing-shields or end plates
H02K 7/116 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
H02K 21/24 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos
H02K 5/22 - Auxiliary parts of casings not covered by groups , e.g. shaped to form connection boxes or terminal boxes
H02K 3/52 - Fastening salient pole windings or connections thereto
H02K 1/2798 - Rotors axially facing stators the rotor consisting of two or more circumferentially positioned magnets where both axial sides of the stator face a rotor
A lamination sheet (11, 14) for a lamination stack (10, 13) of an electric machine (1) is disclosed. The lamination sheet (11, 14) comprises a ring shaped base section (15) of soft iron with recesses (16) for accommodating a winding (12) of the electric machine (1), wherein the base section (15) is made by printing and sintering a soft iron base material. Moreover, the lamination sheet (11, 14) comprises an edge section (17) of an insulating material adjacent to the base section (15) in the region of the recesses (16), which is made by printing and sintering an insulating base material. Further on, a lamination stack (10, 13) with such lamination sheets (11, 14), an electric machine (1) with such a lamination stack (10, 13), a vehicle with such an electric machine (1) and methods of manufacturing lamination sheets (11, 14) for a lamination stack (10, 13) and of manufacturing a lamination stack (10, 13) are disclosed.
B33Y 80/00 - Products made by additive manufacturing
H02K 1/04 - Details of the magnetic circuit characterised by the material used for insulating the magnetic circuit or parts thereof
H02K 1/06 - Details of the magnetic circuit characterised by the shape, form or construction
H02K 15/02 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
H02K 15/10 - Applying solid insulation to windings, stators or rotors, e.g. applying insulating tapes
24.
LAMINATION SHEET FOR AN ELECTRIC MACHINE WITH INTEGRATED ALUMINUM RING AND METHOD OF MAKING THE SAME
A lamination sheet (11, 11a, 11b, 14) for a lamination stack (10, 13) of an electric machine (1) is disclosed, which comprises a ring shaped first section (15a, 15b) with recesses (16) for accommodating a winding (12) of the electric machine (1), a ring shaped second section (17a, 17b) and a ring shaped transition section (18a, 18b) between the first section (15a, 15b) and the second section (17a, 17b). The first section (15a, 15b) is made of soft iron, the second section (17a, 17b) is made of aluminum, and the transition section (18a, 18b) starting at a border (D) to the first section (15a, 15b) and ending at a border (E) to the second section (17a, 17b) changes its characteristics from soft iron to aluminum. Further on, a lamination stack (10, 13) with such lamination sheets (11, 11a, 11b, 14), an electric machine (1) with such a lamination stack (10, 13), a vehicle (19) with such an electric machine (2) and a method of making such a lamination stack (10, 13) are disclosed.
The present subject matter relates to a rotary assembly (100) that includes a rotary machine, a power converter, a housing (102) in which the rotary machine and power converter is disposed. The power converter is in electric interface with the rotary machine and forms a electronic circuit, the electric interface being achieved by an interconnection of a bus bar in the power converter and terminals of a stator in the rotary machine. The rotary assembly (100) further includes an interface cover (104) that closes an interface opening, formed in the housing (102), the interface opening exposing the electric interface. The rotary assembly (100) further includes a power cut off mechanism (106a; 106b) that includes a cover side device (106a) mounted on the interface cover (104), and a housing side device (106b) mounted on the housing (102). The housing side device (106b) is mounted on the housing (102) in a manner that a threshold distance (dx) is maintained between the cover side device (106a) and the housing side device (106b). The threshold distance (dx) defines a predefined distance between the cover side device (106a) and the housing side device (106b) for prompting closure of the electronic circuit.
H02K 5/22 - Auxiliary parts of casings not covered by groups , e.g. shaped to form connection boxes or terminal boxes
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
H02K 11/33 - Drive circuits, e.g. power electronics
H02K 11/20 - Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
B60L 3/04 - Cutting-off the power supply under fault conditions
H02K 5/10 - Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. of water or fingers
26.
STATOR ARRANGEMENT FOR AN ELECTRIC MOTOR, ELECTRIC MOTOR AND METHOD FOR ASSEMBLING A STATOR ARRANGEMENT
Stator arrangement (1, 15) for an electric motor with an outer housing (2) having an aperture, in which a stator package (4) with a stator wound (5) is received, wherein radially protruding busbar terminals (8, 17) are arranged near one axial end of the stator wound (5), wherein a fluid deflection ring (6, 20) is arranged at a position axially further inward than the busbar terminals (8, 17), wherein the busbar terminals (8, 17) extend further radially outwards than an inner circumference of the fluid deflection ring (6, 20), wherein the fluid deflection ring (6, 20) comprises at least two ring segments (9, 12, 16, 19), which are configured to be assembled. In addition, a method for assembling a stator arrangement (1, 15) is proposed.
H02K 3/50 - Fastening of winding heads, equalising connectors, or connections thereto
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
H02K 15/02 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
27.
ELECTRIC POWER CONVERTER AND METHOD FOR OPERATING AN ELECTRIC POWER CONVERTER
Electric power converter (1), comprising: • - a semiconductor switching element (10) having • (i) a first power terminal (13), • (ii) a second power terminal (14), • (iii) a control terminal (15), • (iv) a Kelvin terminal (19) and • (v) a switching path (20) formed between the first power terminal (13) and the Kelvin terminal (19) and switchable depending on a first voltage (21) across the control terminal (15) and the Kelvin terminal (19) so as to allow a current flow (22) from the first power terminal (13) to the second power terminal (14), when the switching path (20) is switched on; • - a driver (11) connected to the control terminal (15) and the Kelvin terminal (19) and configured to provide the first voltage (21) for switching on the switching path (20) upon receiving a control signal (17); and • - a detection circuit (12) configured to detect a second voltage (23) across the Kelvin terminal (19) and the second power terminal (14), to determine depending on the second voltage (23) a malfunction of the semiconductor switching element (10) and to control the driver (11) to switch off the switching path (20) upon determining the malfunction, the malfunction being an overcurrent and/or an operation in an active region.
An electronic component includes a magnetic circuit, two electrical conductors each having a portion arranged around one and the same part of the magnetic circuit, each of the portions forming a winding between a first and a second end, these two windings being inductively coupled to one another via the magnetic circuit. A support of the two electrical windings is arranged between said electrical conductors and the portion of the magnetic circuit and includes a wall around which the electrical windings are arranged, and three flanges offset along the longitudinal axis of the support so that one of the electrical windings is arranged between the first and the second flange and that the other of the electrical windings is arranged between the second and the third flange, At least one step is made in the height of the first flange to locally reduce the height of the first flange.
The invention relates to an electronic component (15) comprising: - a magnetic circuit (22), - two electrical conductors (31, 32) each having a portion arranged around a single part (27) of the magnetic circuit (22), each of the portions forming a winding between a first and a second end, these two windings being inductively coupled to each other via the magnetic circuit (22), and - a support (30) for the two electrical windings (20, 21), which is arranged between the electrical conductors and the portion (27) of the magnetic circuit, characterised in that the component comprises a guiding piece (86) for guiding at least one of the two electrical conductors (31, 32) outside the electrical winding that it defines, this guiding piece being distinct from the support (30).
The invention relates to a three-phase transformer (15) for an isolated voltage converter (12), comprising: - a magnetic circuit (22) comprising a first part and a second part, each part comprising: a base (26) having a substantially triangular outline, and three studs (27), each extending towards the base of the other part of the magnetic circuit, - three support elements (30) for electrical conductors (31, 32), each support element (30) being mounted on two opposite studs (27) belonging respectively to one and the other of the parts of the magnetic circuit, each electrical conductor support element (30) carrying two electrical windings inductively coupled to one another via the magnetic circuit, - a housing (50) in which the electrical conductor support elements (30), the electrical windings and the magnetic circuit (22) are arranged, and - a connection terminal block (45), in particular attached to the housing (50), and defining six terminals (60) for connecting the three-phase transformer to the rest of the isolated voltage converter, the six terminals (60) being distributed between two zones (Z1, Z2) that are distinct and at a distance from one another on the perimeter of the magnetic circuit (22).
A housing part (7, 7a.7f) for a transmission (3) is specified, which comprises a base part (8, 8a.8f) with a recess or depression (B). Furthermore, the housing part (7, 7a.7f) comprises a single-part bearing holder (9, 9a.9f) which is arranged in the recess or depression (B). In a case a), a plurality of anti-friction bearings (10) for transmission shafts (17, 19) of the transmission (3) are received in the bearing holder (9, 9a.9f). In a case b), the bearing holder (9, 9a.9f) forms a plurality of bearing shells (C) which each serve as a rolling surface for rolling bodies (22) of in each case one anti-friction bearing (10) for in each case one transmission shaft (17, 19) of the transmission (3). Furthermore, a transmission (3) with a housing part (7, 7a.7f) of this type is specified, which has a plurality of anti-friction bearings (10) received in the bearing holder (9, 9a.9f) and a plurality of transmission shafts (16, 19) mounted rotatably in the anti-friction bearings (10) with gearwheels (14, 15, 17, 18) arranged thereon. In addition, an electric geared motor (1) with a transmission (3) of this type, a vehicle (25) with an electric geared motor (1) of this type, and a method for producing a housing part (7, 7a.7f) of this type are specified.
An electric machine includes a stator, which has a stator laminated core and a stator winding arranged in the stator laminated core. In addition, the electric machine includes a temperature sensor, which is thermally conductively coupled to the stator winding and is configured to measure a temperature of the stator winding. The thermally conductive coupling is created by a fastening clip with a latching connection, wherein the fastening clip presses the temperature sensor against the stator winding or a heat-conducting element thermally conductively connected to the stator winding. The invention furthermore specifies a vehicle having such an electric machine, and also a method for producing a thermally conductive coupling between a temperature sensor and a stator winding or a heat-conducting element of an electric machine, the heat-conducting element being thermally conductively connected to the stator winding.
The invention relates to an electronic component (15) comprising: - a magnetic circuit (22); - two electrical conductors (31, 32) each having a portion (27) that is arranged around the same part of the magnetic circuit, each of the portions, between a first end and a second end, forming a winding, these two windings being inductively coupled to one another via the magnetic circuit (22); and - a support (30) for the two electrical windings (31, 32), the support being arranged between the electrical conductors and the portion (27) of the magnetic circuit, characterized in that the support (30) comprises: - a wall (90) around which the electrical windings are arranged, and - three flanges (92, 93, 94) offset along the longitudinal axis of the support (30), such that one of the electrical windings is arranged between the first flange (92) and the second flange (93) and that the other of the electrical windings is arranged between the second flange (93) and the third flange (94), characterized in that the wall comprises at least one opening formed axially between the first flange (92) and the third flange (94).
The invention relates to an electric sheet metal (11, 11a, 11b, 14) for an electric machine (1), having a basic shape (15, 15a, 15b) made of a first metal material. The basic shape (15, 15a, 15b) has a ring structure with recesses (16) therein which are open towards an inner edge (B) or an outer edge (C) of the ring structure. The electric sheet metal (11, 11a, 11b, 14) additionally comprises a closure structure (17a, 17b) made of a second metal material which differs from the first metal material, wherein the closure structure (17a, 17b) is provided on an opening (D) of the recess (16) and closes same. The closure structure (17a, 17b) is produced using a metal printing method. The invention also relates to a laminated core (10, 13) comprising such an electric sheet metal (11, 11a, 11b, 14), to an electric machine (1) comprising such a laminated core (10, 13), to a vehicle (18) comprising such an electric machine (1), and to a method for producing such an electric sheet metal (11, 11a, 11b, 14).
H02K 15/02 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
The invention relates to a voltage conversion system comprising an interconnection device (103) comprising a first output terminal (BS1) and a second output terminal (BS2), a first DC-DC voltage converter (101) and a second DC-DC voltage converter (102), each of the DC-DC voltage converters having an output terminal (S1, S1'), the second control device (μ2) furthermore comprising a fault detection module (DP102) for detecting a fault with the second DC-DC voltage converter (102), the interconnection device (103) comprising: a switch (T1), a switch (T3), a switch (T2), and/or a switch (T4), two switches (T5, T6). The switches (T5, T6) are controlled so as to close when a closing condition is met, said closing condition comprising the fault detection module (DP102) of the second control device detecting a fault with the second DC-DC voltage converter.
B60L 1/06 - Supplying electric power to auxiliary equipment of electrically-propelled vehicles to electric heating circuits fed by the power supply line using only one supply
B60L 3/00 - Electric devices on electrically-propelled vehicles for safety purposesMonitoring operating variables, e.g. speed, deceleration or energy consumption
B60L 58/21 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having the same nominal voltage
H02M 1/32 - Means for protecting converters other than by automatic disconnection
A drive system for a vehicle, and a vehicle. The drive system includes a housing, containing an electric motor of the drive system, and a cover fixed to the housing and formed with a cavity accommodating a transmission of the drive system A boost connector passes through the cover and extending into the housing, and is electrically connected to an electrical connector of the electric motor.
B60K 1/00 - Arrangement or mounting of electrical propulsion units
B60L 53/16 - Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
B60R 16/02 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric
A housing assembly for an electric drive device, the housing assembly including a housing and an electric motor cover. The housing includes a first housing portion, the first housing portion at least partially accommodating an electric motor of the electric drive device, and a second housing portion located at one end of the first housing portion, the second housing portion accommodating a speed reducer of the electric drive device. The electric motor cover is fitted to another end of the first housing portion and includes a cover portion and a cavity portion. The cavity portion and the first housing portion together form an electric motor cavity for accommodating the electric motor.
H02K 5/22 - Auxiliary parts of casings not covered by groups , e.g. shaped to form connection boxes or terminal boxes
H02K 5/20 - Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
H02K 11/33 - Drive circuits, e.g. power electronics
38.
STATOR FOR AN ELECTRIC MACHINE, ELECTRIC MACHINE FOR DRIVING A VEHICLE, AND VEHICLE
The invention relates to a stator (1) comprising a stator core (2), which has a plurality of slots (6), and a stator winding (7), which has N phases (U, V, W), where N ≥ 2; wherein – each phase (U, V, W) is formed by shaped conductors (8a, 8b) which have leg portions (9.1 to 9.24) provided within the slots and which form a current path (14a) for each phase (U, V, W); – the slots (6) are divided into first to L-th layers (19a to 19d) which form first to (L/2)-th double layers (20a, 20b), receiving areas for each phase (U, V, W) form 2·winding zones with first to (2·P)-th winding zone indices (21a to 21f), and the current path (14a) comprises first to (L·P)-th of the leg portions (9.1 to 9.12), where L ≥ 4 and is an even number and P ≥ 2; – for all 0 ≤ b ≤ L/2–1 and all 1 ≤ c ≤ 2·P, the (2·P·b+c)-th leg portion (9.1 to 9.12) of the current path (14a) is positioned in the winding zone with the c-th winding zone (21a to 21f) and the (b+1)-th double layer (20a, 20b; 20a, 20b, 20c); – for all 1 ≤ d ≤ L·P/2, the (2·d–1)-th and (2·d)-th leg portions (9.1 to 9.12; 9.1 to 9.18) are spaced apart from one another by N·q slots (6), q ≥ 2; – for all 1 ≤ f ≤ L/2–1, the (2·f·P)-th and (2·f·P+1)-th leg portions (9.6, 9.7) are spaced apart from one another by N·q slots (6); and – for all 0 ≤ g ≤ L/2–1 and all 1 ≤ i ≤ P–1, the (g·2·P+2·i)-th and (g·2·P+2·i+1)-th leg portions (9.2 to 9.5, 9.8 to 9.11) are spaced apart from one another by N·q–1 slots (6) when g is a specified first parity and by N·q+1 slots (6) when g is a second parity which differs from the first parity.
H02K 3/28 - Layout of windings or of connections between windings
H02K 15/0421 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings prior to their mounting into the machines the windings consisting of separate elements, e.g. bars, segments or half coils and consisting of single conductors, e.g. hairpins
39.
STATOR FOR AN ELECTRIC MACHINE, ELECTRIC MACHINE FOR DRIVING A VEHICLE, AND VEHICLE
Proposed is a stator (1) having a stator core (2), which has a plurality of slots (6), and having a stator winding (7), which has N strands (U, V, W), where N ≥ 2; wherein – each strand (U, V, W) is formed by shaped conductors (8a, 8b) which have leg portions (9; 9a.1-12, 9b.1-12) arranged within the slots and which form a first and a second current path (15a, 15b); – the slots (6) are subdivided into first to L-th tiers (19a-d) which form first to (L/2)-th double tiers (20a, b), and receiving spaces for each one of the strands (U, V, W) form 2·P winding zones having first to (2·P)-th winding zone indices (21a-f) in one circumferential direction and (2·P+1)-th to (4·P)-th winding zone indices (21g-l) in the opposite circumferential direction, where L ≥ 4 and is an even number, and P ≥ 2; – for all 0 ≤ b ≤ L/2–1 and 1 ≤ c ≤ 2·P, the (2·P·b+c)-th leg portion (9a.1 bis 9a.12) of the first current path (15a) is arranged in the c-th winding zone index (21a-f) and in the (b+1)-th double tier (20a, b), and the (2·P·b+c)-th leg portion (9b.1-12) of the second current path (15b) is arranged in the (2·P+c)-th winding zone index (21g-l) and in the (L/2–b)-th double tier (20a, b); – for all 1 ≤ d ≤ L·P/2, the (2·d–1)-th and (2·d)-th leg portions (9a.1-12, 9b.1-12) of the first and second current paths (15a, b) are spaced apart from one another by N·q slots (6); – for all 1 ≤ f ≤ L/2–1, the (2·f·P)-th and (2·f·P+1)-th leg portions (9a.6, 9a.7, 9b.6, 9b.7) are spaced apart from one another by N·q slots (6); and – for all 0 ≤ g ≤ L/2–1 and all 1 ≤ i ≤ P–1, the (g·2·P+2·i)-th and (g·2·P+2·i+1)-th leg portions (9a.2-5, 9a.8-11, 9b.2-5, 9b.8-11) of the first and second current paths (15a, b) are spaced apart from one another by N·q–1 slots (6) if g has a specified first parity and are spaced apart from one another by N·q+1 slots (6) if g has a second parity that differs from the first parity.
An electric drive system includes a housing, which is internally provided with an electric motor, a controller and a transmission, wherein the electric motor includes a stator and a rotor. A first electrical connector, which is arranged in the housing and is located at an outlet terminal of the stator, is connected electrically to the controller, and a second electrical connector, which is arranged in the housing and is located at the outlet terminal of the stator is connected electrically to the stator. A cooling system includes a cooling channel arranged on the housing and a coolant distribution assembly connected to the cooling channel and having at least one first hole provided thereon. The first hole permits coolant flow through first hole toward the first electrical connector. At least one second hole permits coolant flow through the at least one second hole toward the second electrical connector.
A rotor laminated core for a rotor of an electric machine has a plurality of rotor laminations which are stacked axially one on the other and each have a recess. The recesses form a magnet pocket for receiving a rotor magnet. The rotor laminated core has a terminal lamination which is arranged on the axial side of the rotor laminated core and has a further recess which is axially aligned with the recess in the adjacent rotor lamination and is narrowed with respect to the recess in the adjacent rotor lamination.
H02K 1/276 - Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
H02K 15/03 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
42.
ELECTRIC MACHINE AND VEHICLE WITH IMPROVED COOLING SYSTEM
An electric machine includes a machine housing, a stator and a rotor. Stator windings include a stack section, in which they run within the stator lamination stack, and stator winding heads, where they run out of the stack section. The machine housing includes a first cooling system based on a first cooling fluid around the stator lamination stack and a separate second cooling system based on a separate second cooling fluid. The separate second cooling system comprises spray nozzles or bores, which are directed towards at least one of the stator winding heads. A vehicle may include the electric machine.
H02K 5/20 - Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
43.
ELECTRONIC POWER MODULE COOLED BY IMMERSION IN A DIELECTRIC LIQUID
The present invention relates to an electronic power module (2) configured to be immersed in a flow of cooling dielectric fluid (3), such that the flow of dielectric fluid (3) dissipates heat, the power module (2) comprising: - a first conductive substrate (4); - an electronic component (6) mounted on a first face of the first substrate (4); - an electrical connector (8) connected to the electronic component (6) by a connecting element (10); - a cover (12) configured to encapsulate at least the first substrate (4) and the connecting element (10); the electronic power module (2) being characterized in that the cover (12) comprises at least one opening configured such that the dielectric fluid (3) dissipates directly, by thermal convection, the heat generated by the first substrate (4) and by the electrical connector (8).
H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
H01L 23/44 - Arrangements for cooling, heating, ventilating or temperature compensation the complete device being wholly immersed in a fluid other than air
44.
ELECTRICAL EQUIPMENT COOLED BY IMMERSION IN A DIELECTRIC FLUID
The present invention relates to electrical equipment (2) comprising: - a casing defining a housing configured to receive a flow of dielectric fluid (3); - at least one electronic component (4) arranged in the housing, the component (4) being immersed directly in the dielectric fluid (3), the dielectric fluid (3) being configured to dissipate heat generated by the electronic component (4) via thermal convection between the dielectric fluid (3) and a conductive heat-exchange zone of each electronic component (4); the electrical equipment (2) being characterized in that the conductive heat-exchange zone of the electronic component (4) comprises a heatsink structure (8) that creates turbulence in the flow of dielectric fluid (3), and the heatsink structure (8) also increases a total surface area for the exchange of heat between the conductive heat-exchange zone and the dielectric fluid (3).
The present invention relates to a cooling system (1) for an inverter, comprising a housing and a plurality of plates which are stacked together inside the housing, the plates comprising two top plates (8) and at least two plates with cooling structures (6) configured to disrupt the flow of a coolant of the cooling system (1), the top plates (8) comprising a first top plate (8A) stacked on top of a second top plate (8B), the second top plate (8B) being stacked on top of the plates with the cooling structures (6), the second top plate (8B) comprising a marking (24) and the first stop plate (8A) comprising a through hole (28) facing the marking (24).
The invention relates to a secondary sub-circuit (6) for supplying electrical power to an electrical energy storage unit (2), this sub-circuit (6) being able to contactlessly exchange, via inductive coupling, electrical energy with a primary sub-circuit (4) able to be connected to a voltage network (5), and this sub-circuit (6) also being able to be connected to an electrical energy storage unit (2), the secondary sub-circuit (6) comprising: - a secondary inductive cell (20) for contactlessly exchanging, via inductive coupling, electrical energy with the primary sub-circuit (4), - an inverter/rectifier (23) able to carry out impedance matching of the impedance on the AC input of this inverter/rectifier (23), independently of the impedance of the electrical energy storage unit (2), this inverter/rectifier (23) comprising at least two switching arms (24), namely: - a first switching arm switching at the frequency of the electrical energy induced in the secondary inductive cell (20), and - a second switching arm (24) switching at a frequency higher than that of the electrical energy and with a duty cycle modulated in accordance with the AC current flowing in the secondary inductive cell (20) and the voltage on the AC input of this inverter/rectifier (23), the second switching arm comprising two switching cells (12) arranged on either side of a midpoint (25) of this second switching arm, at least one of these switching cells (12) comprising at least two controllable electronic switches (29) arranged in parallel.
H02J 5/00 - Circuit arrangements for transfer of electric power between ac networks and dc networks
H02M 7/00 - Conversion of AC power input into DC power outputConversion of DC power input into AC power output
H02M 7/42 - Conversion of DC power input into AC power output without possibility of reversal
H02M 1/08 - Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
H02M 3/00 - Conversion of DC power input into DC power output
H02M 3/335 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
47.
PORTABLE DIAGNOSTIC DEVICE USED IN AN INDUSTRIAL ENVIRONMENT
The invention relates to a portable device (1) for diagnosing a state in an industrial environment, the device comprising: - a shell (2) defining a cavity (3); - at least one communication interface capable of exchanging data wirelessly with at least one external data source; - at least one sensor (10, 11, 12) capable of measuring a quantity accessible in the environment of the shell (2); and - a computer system (7) arranged in the cavity (3) and configured to receive: data from the communication interface; and the measurements taken by the one or more sensors (10, 10, 11, 12), and configured to establish at least one diagnosis on the basis of all or part of these data.
G01L 19/00 - Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
G01L 19/08 - Means for indicating or recording, e.g. for remote indication
G05B 19/042 - Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
H04Q 9/00 - Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
48.
STATOR FOR AN ELECTRIC MACHINE, ELECTRIC MACHINE FOR DRIVING A VEHICLE, AND VEHICLE
The invention relates to a stator (1) for an electric machine (101), having a stator core (2), which has slots (6, 6a-e), and a stator winding (7) with N ≥ 3 phases (U, V, W), each of which is arranged in winding zones (21a-f). Each phase (U, V, W) is formed by shaped conductors (8), which have leg sections (9, 9a-d) arranged within the slots and each of which forms connecting sections (10, 11) that connect together a pair of leg sections (9, 9a-d) at the end faces (4, 5) in an electrically conductive manner, and has at least one current path (14a-c) made of the leg sections (9, 9a-d) connected together in series by means of the connecting sections (10, 11). The slots (6, 6a-e) are divided into first to L-th layers (19a-f) which form first to (L/2)-th double layers (20a-c), wherein L ≥ 4 and is even. Each winding zone (21a-f) extends over first to (q+a)-th of the slots (6a-e) in each of the layers (19a-f), from the first slot (6a) to the q-th slot (6c) in the odd-numbered layers (19a, 19c, 19e), and from the (a+1)-th slot (6c) to the (q+a)-th slot (6e) in the even-numbered layers (19b, 19d, 19f), wherein 1 ≤ a ≤ q–1. The leg sections (9, 9a-d) which are connected by one of the connecting sections (10) at the first end face (4) and which are arranged in adjacent winding zones (21a-f) of the same phase (U, V, W) are mutually spaced by at least two different first numbers of slots (6, 6a-e) along each current path (14a-c).
The invention discloses a rotor lamination for a rotor of an electric machine, comprising a plurality of channel openings, each being used to form a magnet cavity of a rotor lamination core for accommodating a magnet, wherein the plurality of channel openings comprise channel opening pairs, each formed by two channel openings adjacent in a circumferential direction and axially symmetrical with respect to a radial axis of symmetry, and a respective channel opening in the respective channel opening pairs has a first longitudinal side and a second longitudinal side parallel to the first longitudinal side; wherein each channel opening has an outer contour connecting end portions of the first longitudinal side and the second longitudinal side to each other away from the radial axis of symmetry; and the channel opening has a material hollowed-out portion at a connection portion formed by the outer contour and the first longitudinal side.
The invention relates to an electric machine (1, 1a), which comprises a stator housing (2, 2a) with an oil feed channel (3, 3a) arranged therein, a stator (7) arranged in the stator housing (2, 2a) and an oil pan (14, 14a) which is arranged under the stator housing (2, 2a), an oil discharge channel (15, 15a) being arranged in the oil pan. The electric machine (1, 1a) also comprises an oil pump (16) which is hydraulically connected on the intake side to the oil discharge channel (15, 15a) and on the pressure side to the oil feed channel (3, 3a). In a case a), a pump housing (17) of the oil pump (16) is fastened to the stator housing (2, 2a) and is not fastened to the oil pan (14, 14a), wherein only one or more seals (23) are arranged between the pump housing (17) and the oil pan (14, 14a). In a case b), a pump housing (17) of the oil pump (16) is fastened to the oil pan (14, 14a) and is not fastened to the stator housing (2, 2a), wherein only one or more seals (24) are arranged between the pump housing (17) and the stator housing (2, 2a). The invention also relates to a vehicle (25) having such an electric machine and to a method for producing such an electric machine (1, 1a).
An electronic module includes an electronic card, a housing in which the electronic card is placed, a protective partition which is secured on the housing and the electronic card such that the electronic card is engaged between the housing and the protective partition, and at least one securing element designed to render the electronic card, the housing and the protective partition integral. The housing and the protective partition are made of electrically conductive materials and secured together with the protective partition by the at least one securing element. At least one securing element includes an area of electrical contact, and assures an electrical contact between the housing, the protective partition and an electrical ground of the electronic card.
The electrical machine comprises: - a stator (102) comprising a stator core (104) extending around a central axis, and a winding arrangement (204); and - a connector (502) connected to the winding arrangement (204), the connector (502) comprising a terminal (512) configured to be connected to an external electrical conductor The connector (502) further comprises at least one solid connection wire (504) connecting the winding arrangement (204) to the terminal (512), the solid connection wire (504) having a central portion (506) with a round or oval cross-section and an end (508) with a longitudinal plane face fixed, for example welded, against a plane face of the winding arrangement (204).
The invention relates to a cooling device (3) configured to cool an electronic module (2) comprising in particular an electronic board (4) on which a plurality of electronic components (5) are mounted, the cooling device including: - an enclosure (10) configured to receive the electronic module (2); and - an immersion fluid (100) in which the electronic module (2) is at least partially immersed, the immersion fluid containing a dielectric fluid and at least one material forming an electromagnetic barrier mixed with the dielectric fluid.
The invention relates to an electric drive (1) for a vehicle (23), the electric drive comprising a drive housing (5) in which a stator (9) and a rotor of an electric motor (2) are arranged. The drive housing (5) has an opening (A) through which an electrical and/or electronic component is accessible from the outside and which is closed by a cover (13) that is fastened to the drive housing (5) by a non-destructively detachable fastening element (14). In addition, the cover (13) is secured to the drive housing (5) by a rivet (15) so that the component is protected against unauthorised access. The invention also relates to a vehicle (23) comprising such an electric drive (1).
A stator for an electrical machine includes: a stator core which has a longitudinal axis, an end side, a further end side opposite the end side and a plurality of slots arranged in the circumferential direction and extending from the end side to the further end side, and a stator winding which has a number N of strands, in which N≥3. Each strand occupies a plurality of winding zones in the slots and has at least one continuous current path with a first end and with a second end opposite the first end.
The invention relates to an electric machine (1) comprising: - a casing (2) defining a cavity; - at least one rotor (3) mounted so as to be able to rotate in the cavity of the casing (2) about an axis X; and - at least one first stator (4) positioned in the cavity axially facing the rotor (3); wherein the casing (2) comprises an inlet (41) intended to be connected to a coolant supply pipe and a first chamber (19) connected to the inlet, wherein the first stator (4) is arranged axially between the first chamber (19) and the rotor (3), wherein the first chamber (19) comprises a plurality of spray openings (43) that open axially facing an annular space formed radially between coils (27) and an interconnector (34) of the first stator (4), and wherein each spray opening (43) is arranged axially facing a deflector (44, 45) that is configured to deflect a flow of coolant sprayed by the spray opening (43) and direct it radially towards the axis X in the direction of one of the coils (27).
H02K 21/24 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos
H02K 1/18 - Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
H02K 1/2796 - Rotors axially facing stators the rotor consisting of two or more circumferentially positioned magnets where both axial sides of the rotor face a stator
H02K 3/52 - Fastening salient pole windings or connections thereto
H02K 5/20 - Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
The invention relates to an electric machine (1) intended to be attached to the rear of a reduction device (2) and comprising: - a casing (3) defining a recess and comprising a front plate (14); - at least one rotor (4) constrained to rotate with an output shaft (7); and - at least one stator (5, 6) which is positioned in the recess, axially opposite the rotor (4); the front plate (14) of the casing (3) being intended to be inserted into a bell housing (20) of the reduction device (2) and being arranged to form, with the bell housing (20), a chamber (23) intended to receive a cooling fluid; the casing (3) comprising a plurality of ducts (46) which pass through the front plate (14) and which are thus intended to open into the chamber (23), the ducts (46) projecting rearwards from the front plate (14) and comprising at least one spray port (47, 48) which is directed radially inwards facing one of the coils (38) of the stator (5, 6).
H02K 5/04 - Casings or enclosures characterised by the shape, form or construction thereof
H02K 5/20 - Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
H02K 7/116 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
H02K 16/04 - Machines with one rotor and two stators
H02K 3/24 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors with channels or ducts for cooling medium between the conductors
58.
METHOD FOR OBTAINING A ROTOR FOR A ROTARY ELECTRIC MACHINE
A method for obtaining a rotor of a rotary electric machine including a rotor body, a magnetic element and a ring. The method includes a step of positioning the rotor body inside an injection mould and a step of placing the ring inside the injection mould, such that the ring is placed around the rotor body. The magnetic element is injection moulded, in the form of a bonded magnet, between the rotor body and the ring.
H02K 15/03 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
One aspect of the invention relates to an internal power connector for a DC voltage of an electronic unit of an electric machine comprising two voltage lines each comprising a first electrically conductive trace (1+, 1-) and a second conductive trace (2+, 2-) each comprising a connection portion (10+, 10-) facing each other, one of which comprises a first length (L1+, L1-) and the other of which comprises a second length (L2+, L2-) three times smaller than the first length (L1+, L1-), a laser weld between the part of the first connection portion (10+, 10-) of the first trace (1+, 1-) and the connection portion of the second trace (2+, 2-), characterised in that each first trace (1+, 1-) comprises an anti-bending reinforcement (19-, 19+) extending from part of the first connection portion (10+, 10-) to part of a second straight portion (12+, 12-) that is folded with respect to the first connection portion (10+, 10-).
H01R 11/01 - Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the form or arrangement of the conductive interconnection between their connecting locations
H01R 43/02 - Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections
The present disclosure provides a drive system for a vehicle, and a vehicle. The drive system comprises a first housing, provided with a first cooling channel; and a first cooling channel connection structure, integrally formed with the first housing and connected to the first cooling channel. The first cooling channel connection structure comprises a first interface which opens in a first direction and a second interface which opens in a second direction different from the first direction, one of the first interface and the second interface being selectively closable.
The present subject matter relates to a composite bus bar (100) that includes a body (102) and at least one connecting terminal (104). The body (102) is formed from a first conductive material. The at least one connecting terminal (104) extends from the body (102). The at least one connecting terminal (104) is formed from a second conductive material. The first conductive material is lighter in weight than the second conductive material.
B60R 16/02 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric
62.
ELECTRICAL POWER SUPPLY CIRCUIT FOR A VEHICLE ELECTRICAL ENERGY STORAGE UNIT
The invention relates to an electrical power supply circuit (1) for an electrical energy storage unit (2), this electrical power supply circuit comprising: - a primary sub-circuit (4), capable of being connected to a voltage network (5); - a secondary sub-circuit (6) capable of being connected to an electrical energy storage unit (2), wherein the primary sub-circuit (4) and the secondary sub-circuit (6) are configured so as to exchange electrical energy contactlessly via inductive coupling, and wherein the primary sub-circuit (4) comprises: - an inverter/rectifier (21) comprising at least two switching arms (7), wherein each switching arm (7) comprises two electronic switches (12) controllable in series on either side of a midpoint (8); - a primary inductive cell (10) for exchanging electrical energy contactlessly via inductive coupling with the secondary sub-circuit (6); and - a transformer (11) having at least one primary winding (13) connected between two midpoints (8) of the inverter/rectifier (21) and a secondary winding (14) connected with the primary inductive cell (10).
H02J 50/12 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
H02M 3/155 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
H02M 3/335 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
63.
ELECTRICAL POWER SUPPLY CIRCUIT FOR A VEHICLE ELECTRICAL ENERGY STORAGE UNIT
The invention relates to an electrical circuit (4, 6) comprising: - two input terminals (13) capable of being connected to a DC voltage; - a control unit (7p, 7s); - a first switching arm (B1, B3) comprising two electronic switches (12) controllable in series on either side of a first midpoint, wherein the switches of this first arm are controlled by the control unit according to a first duty cycle; - a second switching arm (B2, B4) comprising two electronic switches (12) controllable in series on either side of a second midpoint, wherein the switches of this second arm are controlled by the control unit according to a second duty cycle; - an inductive contactless energy exchange cell, wherein the inductive cell consists of an inductor and a capacitor connected in series, and this inductive cell is connected between the first and second midpoints, wherein the first (B1, B3) and second (B2, B4) arms are connected in parallel, and wherein the control unit (7p, 7s) is configured to act on the first and second duty cycles so that the voltage between the first and second midpoints (14, 15) emulates the presence of an inductor and/or a capacitor connected in series with the inductive cell (10, 20).
H02J 7/02 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
H02M 3/335 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
64.
ELECTRICAL POWER SUPPLY CIRCUIT FOR A VEHICLE ELECTRICAL ENERGY STORAGE UNIT
The invention relates to a power supply circuit (1) for an electrical energy storage unit (2), this power supply circuit comprising: - a primary sub-circuit (4) capable of being connected to a voltage network (5); and - a secondary sub-circuit (6) capable of being connected to an electrical energy storage unit (2), wherein the primary sub-circuit (4) and the secondary sub-circuit (6) are configured so as to exchange electrical energy contactlessly via inductive coupling, and wherein the secondary sub-circuit (6) comprises: - a secondary inductive cell (20) for exchanging electrical energy contactlessly via inductive coupling with the primary sub-circuit (4); - an inverter/rectifier (23) capable of impedance-matching the impedance at the AC input of this inverter/rectifier (23), independently of the impedance of the electrical energy storage unit (2), wherein this inverter/rectifier (23) comprises at least two switching arms, and wherein each switching arm comprises two electronic switches arranged on either side of a midpoint; and - a control unit (3) configured to control one of these two arms so that it switches at the frequency of the electrical energy exchanged contactlessly via inductive coupling and at a duty cycle of 50%, and to control the other of these two arms so that it switches at a frequency higher than that of the electrical energy and at a duty cycle modulated according to the alternating current flowing through the secondary inductive cell (20) and the voltage at the AC input of this inverter/rectifier (23), wherein the control unit is configured to apply a duty cycle value of "0" or "1" when a redefined condition is met.
H02M 3/335 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
65.
ISOLATING PROTECTION AGAINST A RISK OF ELECTROCUTION FOR AN INVERTER
An inverter for a motor vehicle includes at least one lid and a main body delimiting a volume within which at least one printed circuit board is housed, the volume being closed by the lid. The inverter includes a housing which projects from the lid, the housing delimiting a space in which are housed a first connection terminal and a second connection terminal each configured to be connected to an electrical conductor intended to electrically connect an electrical energy storage means to the inverter. The housing includes a cover closing the housing, the housing having electrical insulation disposed between the cover and said connection terminals.
The invention relates to an electrical power supply circuit (1) for an electrical energy storage unit (2), this electrical power supply circuit comprising: - a primary sub-circuit (4) capable of being connected to a voltage network (5); and - a secondary sub-circuit (6) capable of being connected to an electrical energy storage unit (2), wherein the primary sub-circuit (4) and the secondary sub-circuit (6) are configured so as to exchange electrical energy contactlessly via inductive coupling, and wherein the primary sub-circuit (6) comprises: - a secondary inductive cell for exchanging electrical energy contactlessly via inductive coupling with the primary sub-circuit (4); - an inverter/rectifier (23) capable of impedance-matching the impedance at the AC input of this inverter/rectifier (23), independently of the impedance of the electrical energy storage unit (2), wherein this inverter/rectifier (23) comprises at least two switching arms (24), and wherein each switching arm comprises two electronic switches controllable in series on either side of a midpoint (25); and - a transformer (11) having a primary winding (13) connected with the secondary inductive cell (20) and at least one secondary winding (14) connected between two midpoints (25) of the inverter/rectifier (23).
H02J 50/12 - Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
H02M 3/00 - Conversion of DC power input into DC power output
H02M 3/335 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
H02M 1/42 - Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
67.
ELECTRICAL POWER SUPPLY CIRCUIT FOR A VEHICLE ELECTRICAL ENERGY STORAGE UNIT
The invention relates to an electrical power supply circuit (1) for an electrical energy storage unit (2), this electrical power supply circuit comprising: - a primary sub-circuit (4) capable of being connected to a voltage network (5); - a secondary sub-circuit (6) capable of being connected to an electrical energy storage unit (2), wherein the primary sub-circuit (4) and the secondary sub-circuit (6) are configured so as to exchange electrical energy contactlessly via inductive coupling, and wherein the secondary sub-circuit (6) comprises: - a secondary inductive cell (20) for exchanging electrical energy contactlessly via inductive coupling with the primary sub-circuit (4); - an inverter/rectifier (23) capable of impedance-matching the impedance at the AC input of this inverter/rectifier (23), independently of the impedance of the electrical energy storage unit (2), wherein this inverter/rectifier (23) comprises at least two switching arms (24), and wherein each switching arm (24) comprises two electronic switches (12) arranged on either side of a midpoint (25); - a transformer (11) having a primary winding (13) and having at least one secondary winding (14), wherein this secondary winding (14) is connected between two midpoints (25) of the inverter/rectifier (23); and - a frequency-matching stage (30) arranged between the secondary inductive cell (20) and the primary winding (13) of the transformer (11), wherein this stage (30) is configured to modify the frequency between the voltage across the terminals of the secondary inductive cell (20) and the voltage across the terminals of the primary winding (13) of the transformer (11).
H02M 3/335 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
H02M 5/22 - Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into DC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
68.
INVERTER FOR A MOTOR VEHICLE CAPABLE OF ASSUMING DIFFERENT ORIENTATIONS
The present invention relates to an inverter for a motor vehicle comprising at least one lid and a main body delimiting a volume in which at least one printed circuit board is housed, said volume being closed by the lid, the inverter comprising a housing arranged against the lid, the housing delimiting a space in which are housed a first connection terminal and a second connection terminal each configured to be connected to an electrical conductor intended to electrically connect an electrical energy storage means to the inverter, wherein at least a portion of the first connection terminal and a portion of the second connection terminal extend in two mutually perpendicular directions.
A drive device includes a frame, a first rotating machine including a fixed part and a rotating part, and a second machine including a fixed part and a rotating part configured to transmit a second torque. A planetary gear train includes a first ring gear, a sun gear and a planet carrier which can rotate with respect to the first ring gear, the rotating part of the first rotating machine being fixed with the planet carrier. Also included is a drive shaft, a differential configured to transmit a resulting torque to the drive shaft. The rotating part of the second machine transmits the second torque to the differential.
B60K 1/02 - Arrangement or mounting of electrical propulsion units comprising more than one electric motor
B60K 17/16 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of differential gearing
F16H 37/08 - Combinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with a plurality of driving or driven shaftsCombinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with arrangements for dividing torque between two or more intermediate shafts with differential gearing
70.
ELECTRONIC COMPONENT INTENDED TO BE PLACED ON BOARD A VEHICLE
An electronic component for charging an electrical energy storage unit, comprising a connector connected to an electrical grid configured to supply a three-phase AC voltage, an inverter/rectifier, and a fourth switching arm connected in parallel with the switching arms of the inverter/rectifier. The inverter/rectifier includes three switching arms connected in parallel. Each switching arm has two switches connected to a phase of an AC voltage. The fourth switching arm has two switches connected to the neutral of the electrical grid, and a branch connected in parallel with the switching arms, having two capacitors, and a measuring resistor connected in series with one of the capacitors. The branch and the switching arms are connected between two DC terminals. A first switch is connected in parallel with the measuring resistor and a second switch is connected in series.
G01R 31/52 - Testing for short-circuits, leakage current or ground faults
B60L 3/00 - Electric devices on electrically-propelled vehicles for safety purposesMonitoring operating variables, e.g. speed, deceleration or energy consumption
B60L 53/22 - Constructional details or arrangements of charging converters specially adapted for charging electric vehicles
G01K 7/22 - Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat using resistive elements the element being a non-linear resistance, e.g. thermistor
H02J 7/02 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
The invention relates to a computer-implemented method for determining at least two short-circuit states within an on-board charger device (1) for a vehicle that is intended to be connected to an AC voltage and comprises a measurement resistor (17), the short-circuit states being determined on the basis of the comparison of a reference measurement of an electrical quantity with at least one measurement of this same quantity for each short-circuit state to be determined, the method being characterised in that all the measurements of the electrical quantity are associated with the measurement resistor (17).
B60L 3/00 - Electric devices on electrically-propelled vehicles for safety purposesMonitoring operating variables, e.g. speed, deceleration or energy consumption
The present subject matter relates to a rotary electrical machine (100) that includes a rotor, a stator (104), a housing (110) and a support device (112). The rotor is rotatable about a rotational axis (116). The stator (104) is in coaxial arrangement to the rotor. The stator (104) includes a stator core (106) and winding (108a; 108b). The housing (110) includes a chamber defined by a closed end (120) at one end and an open end (118) at another end. The chamber at least substantially receives the rotor and the stator (104). A housing inner surface and a stator core outer surface forms an annular space (114) that extends axially there-between. The support device (112) is at least in part disposed between the stator core (106) and the housing (110). The support device (112) at least in part spans the annular space (114). The support device (112) is adapted to at least restrict radial shifting of the stator core (106) with respect to the rotational axis (116).
A hairpin conductor (12, 12a.12w) for a stator winding (6) of an electric machine (1) is disclosed. The hairpin conductor (12, 12a.12w) comprises a metal core (14) with a surrounding basic insulation (15) and an additional insulation (16) on the basic insulation (15), wherein a surface energy of the additional insulation (16) is lower than a surface energy of the basic insulation (15). Further on, a stator winding (6) with such a hairpin conductor (12, 12a.12w), an electric machine (1) with such a stator winding (6), a vehicle (20) with such an electric machine (1) and methods for manufacturing such a hairpin conductor (12, 12a.12w) and a stator with such hairpin conductor (12, 12a.12w) are disclosed.
H02K 3/12 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
H02K 3/34 - Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
H02K 3/38 - Windings characterised by the shape, form or construction of the insulation around winding heads, equalising connectors, or connections thereto
74.
ELECTROMAGNETIC COMPATIBILITY FILTER, DC-DC ELECTRICAL CONVERTER COMPRISING SUCH A FILTER, MOBILITY VEHICLE COMPRISING SUCH A CONVERTER OR SUCH A FILTER, AND METHOD FOR MANUFACTURING SUCH A FILTER
A filter includes first, second and third conductors; a first capacitor connected between the first conductor and the third conductor; a second capacitor connected between the second conductor and the third conductor; and a third capacitor connected between the first conductor and the second conductor. A pin of the first capacitor is situated higher, in relation to a vertical axis along which a clamp of the second conductor projects upwards, than a pin of the second capacitor, such that an oblique axis along which a first clamp and a second clamp of the third conductor project in opposing directions and the vertical axis form an angle between them of less than 80°, preferably less than 70°, for example 65°.
A converter includes an electrical conversion circuit having an input or output connector including two pins designed to receive the input voltage or to supply the output voltage and two flat auxiliary busbars. Each flat auxiliary busbar includes a first flat portion pressed and fixed against the positive pin and the negative pin, respectively, and a second flat portion, with these second flat portions being substantially parallel to each other with the first flat portion of the positive flat auxiliary busbar being pressed and fixed against a flat fixing portion of the positive pin, and the first flat portion of the negative flat auxiliary busbar being pressed and fixed against a flat fixing portion of the negative pin. Two positive and negative main busbars are connected to the electrical conversion circuit and respectively including flat portions respectively pressed and fixed against the second portions of the auxiliary busbars.
The present disclosure relates to a component mounting assembly, a motor and a vehicle. The component mounting assembly includes a sensing element, a thermally conductive component and a spring frame, the spring frame includes a wall and a first clamping part and a second clamping part extending from the wall in a first direction, the sensing element is attached to the wall and is fixed by means of the first clamping part, and the thermally conductive component is fixed to the sensing element by means of the second clamping part. The component mounting assembly has a compact and simple structure and can thus reduce costs, and the sensing element, if damaged, can be easily replaced by means of the component mounting assembly.
The present disclosure relates to a cooling system for a motor, a motor and a vehicle. The motor includes a housing, a stator accommodated in the housing and cooling rings, the stator includes a first end and a second end in an axial direction of the motor, the cooling rings are disposed at the first end and the second end, and the cooling system includes: an axial flow path, including an inlet for receiving an external cooling medium, the axial flow path being located between the first end and the second end and formed by a housing inner wall and a stator outer wall; cooling ring flow paths, located on respective outer surfaces of the cooling rings and formed by the housing inner wall and the respective outer surfaces of the cooling rings, wherein the cooling ring flow paths are in fluid communication with the axial flow path so that the cooling medium alternately flows through the axial flow path and the cooling ring flow path at either end, and then flows out of the axial flow path to outlets on the cooling ring flow paths located at both ends.
This converter (112) comprises: - an inverter (202) comprising a chopping circuit (208) and a control device (210) designed to control the chopping circuit (208); - a resonant circuit (204) having a resonant frequency (FR); and - a rectifier (206). The control device (210) is designed to control the chopping circuit (208) selectively in two modes: - a first mode in which the chopping circuit (208) is controlled at a fixed chopping frequency (FD) substantially equal to the resonant frequency (FR); and - a second mode in which the chopping circuit (208) is controlled by modifying the chopping frequency (FD) to below the resonant frequency (FR).
H02M 3/335 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
79.
STATOR ARRANGEMENT FOR AN ELECTRIC MACHINE WITH IMPROVED FIXING OF THE STATOR IN THE STATOR HOUSING
The invention specifies a stator arrangement (14a, 14e) for an electric machine (1, 1a, 1e), which comprises a stator housing (8a, 8e) and a stator (10), which is arranged in the stator housing (8a, 8e) and has a stator laminated core (11) having multiple stator laminations (12) stacked axially one on the other. The stator arrangement (14a, 14e) has a stop (15) of the stator housing (8a, 8e) and a clamping ring (16a, 16e) that is screwed to the stator housing (8a 8e), which stop and clamping ring are set up to hold the stator laminated core (11) in the axial direction. The invention also relates to an electric machine (1, 1a, 1e) having a stator arrangement (14a, 14e) of the above-mentioned type, to a vehicle (19) having an electric machine (1, 1a, 1e) of this type, and to a method for producing a stator arrangement (14a, 14e) of this type.
The invention specifies a stator arrangement (8a, 8g) for an electric machine (1, 1a, 1f), which comprises a stator housing (2a, 2g), an end plate (3a, 3g) arranged on an axial side of the stator housing (2a, 2g), and a stator laminated core (5), which is arranged in the stator housing (2a, 2g) and has multiple stator laminations (6) stacked axially one on the other. The stator laminated core (5) is fitted into the end plate (3a, 3g). The invention also relates to an electric machine (1, 1a, 1f) having a stator arrangement (8a, 8g) of the above-mentioned type, to a vehicle (24) having an electric machine (1, 1a, 1f) of this type, and to a method for producing a stator arrangement (8a, 8g) of this type.
The invention specifies a stator arrangement (14a, 14g) for an electric machine (1, 1a, 1e), which comprises a stator housing (8a, 8g) and a stator (10a, 10g) arranged in the stator housing (8a, 8g). The stator (10a, 10g) has a stator laminated core (11a, 11e) having a plurality of stator laminations (12) stacked axially one on the other and that is fitted into the stator housing (8a, 8g). Specifically, the stator laminated core (11a, 11e) is fitted into the stator housing (8a, 8g) only at a first clearance fit (15a) in the region of a first end face (B1) of the stator laminated core (11a, 11e) and at a second clearance fit (15b) in the region of a second end face (B2) of the stator laminated core (11a, 11e) and is released in between said clearance fits. The first clearance fit (15a) lies radially further to the outside than the second clearance fit (15b) in relation to a stator axis (A) of the stator (10a, 10g). The invention also relates to an electric machine (1, 1a, 1e) having a stator arrangement (14a, 14g) of the above-mentioned type, to a vehicle (21) having an electric machine (1, 1a, 1e) of this type, and to a method for producing a stator arrangement (14a, 14g) of this type.
A stator device (10) that has a longitudinal axis (11) and comprises: - a stator core (12), which has a first end face (13), a second end face (14) situated axially opposite the first end face (13), and an outer lateral surface (15) and forms a plurality of fastening openings (16) distributed in the circumferential direction and extending axially through the stator core (12); - a stator housing (18), which has an inner lateral surface (19) facing the outer lateral surface (15) and, at an axial position (20), a stop which faces the first end face (13) and prevents an axial movement of the stator core (12) on one side, wherein the inner lateral surface (19) has, along a first axial region (21) in a plurality of sectors (32a-f) which each extend between a pair of fastening openings (16) adjacent to one another in the circumferential direction, a first inside radius which forms a radial gap (26) between the outer lateral surface (15) and the inner lateral surface (19); and - fastening elements (17), which pass through the fastening openings (16) and brace the stator core (12) against the stator housing (18); wherein the inner lateral surface (19) has, in the sectors (32a-f) along a second axial region (22) which extends between the first axial region (21) and the axial position (20), a second inside radius which is smaller than the first inside radius and centres the first end face (13) in the stator housing (18) in relation to the longitudinal axis (11).
H02K 1/18 - Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
H02K 5/20 - Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
H02K 15/02 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
An electric device includes input and output interfaces for connection to an AC voltage source and an electrical energy storage unit respectively. A totem-pole power factor correction circuit includes a high-frequency power switching half-bridge and a low-frequency switching half-bridge each having at least two switches, the high-frequency power switching half-bridge further including an inductance. A control system for the power factor correction circuit is designed to generate control signals for the switches of the high-frequency power switching half-bridge. The control system includes at least one positive branch designed to generate a first set of duty cycle values for the control signals from the positive half-cycle of the AC voltage at the input of the device, and a negative branch designed to generate a second set of duty cycle values for the control signals from the negative half-cycle of the AC voltage at the input of the device.
The invention specifies a method for producing a stator (11) for an electric machine (1), in which method a stator laminated core (12) having a plurality of helically extending stator slots (15), which form a skewing of the stator laminated core (12), is provided. A stator winding (14, 14a, 14b) is also provided, which comprises a plurality of straight and mutually parallel conductor portions (B, B1, B2) and a plurality of connecting portions (C), wherein at least in each case two of the parallel conductor portions (B, B1, B2) are connected to each other at a respective one of their ends by means of one of the connecting portions (C). Finally, the stator winding (14, 14a, 14b) is inserted into the stator slots (15), the stator winding (14, 14a, 14b) already having an asymmetry corresponding to the skew before being inserted into the stator slots (15). The invention also specifies an intermediate product of a stator winding (14, 14a, 14b), an electric machine (1) having a stator (11) of the kind mentioned, and also a vehicle (22) having such an electric machine (1).
H02K 15/02 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
H02K 15/04 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings prior to their mounting into the machines
H02K 15/06 - Embedding prefabricated windings in the machines
85.
INTERLOCKED LAMINATION PACKAGE FOR WINDING OF EESM ROTOR BY PROCESS
A rotor assembly method includes an assembly step configured to install on a rotor shaft of a rotor and a lamination package formed of a stack of laminations. The stack of laminations includes an inner portion and an outer portion which is, compared to the inner portion, more distant to the rotor shaft. Also included is a compression step of compressing the outer portion by an axial compression force to form a compressed outer portion. A winding assembly and fixation step includes winding a field coil on the compressed outer portion, and removing the axial compression force after the field coil is wound.
H02K 15/02 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
B23P 19/02 - Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformationTools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
Disclosed is an electric drive assembly system comprising a housing and the following located in the housing: a motor assembly comprising a motor shaft, the motor shaft comprising a first motor shaft end and a second motor shaft end; a gearbox assembly comprising an input shaft, the input shaft comprising a first input shaft end and a second input shaft end, the first input shaft end being inserted into the second motor shaft end and forming a coupling portion with the second motor shaft end, so that the input shaft and the motor shaft rotate coaxially together; first bearings supported at the first motor shaft end; and second bearings supported at the second input shaft end, wherein the coupling portion comprises a spline coupling part and a radial centring part, and the electric drive assembly system further comprises third bearings, the third bearings being supported, at the radial centring part, on the second motor shaft end. A vehicle comprising an electric drive assembly system as described above is further disclosed.
H02K 7/116 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
87.
STATOR FOR AN ELECTRIC MACHINE, ELECTRIC MACHINE AND VEHICLE
A stator includes a stator core with two opposing end sides and a plurality of grooves arranged in the peripheral direction, and a stator winding having number N≥3 of strands, wherein each strand is formed by a shaped conductor. Each groove is radially divided into first to L-th layers, which form first to L/2-th double layers. Within a number A of double layers of a respective winding zone, the receiving sites are nested with a neighbouring (in the peripheral direction) winding zone of another of the strands.
The invention relates to an axial flux rotary electric machine (2) comprising: - at least one rotor; - at least one stator (4) arranged in an enclosure (17), the stator comprising: o a plurality of electrical windings (14) positioned between an inner contour (80) and an outer contour (81); o a plurality of teeth (51) supporting the electrical windings (14); o an electrical insulator (82) positioned between each tooth (51) and the corresponding electrical winding (14), the electrical insulator (82) comprising an outer face (84) facing the enclosure (17) and an inner face (86) opposite the outer face (84); and - a distribution channel for distributing a heat-transfer fluid (90), this channel being at least partially formed by the inner face (86) of the electrical insulator (82) so that the heat-transfer fluid circulating in the distribution channel can cool the stator (4).
H02K 3/52 - Fastening salient pole windings or connections thereto
H02K 5/20 - Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
H02K 21/24 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos
H02K 1/20 - Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
H02K 3/24 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors with channels or ducts for cooling medium between the conductors
89.
ROTOR FOR AN ELECTRIC MACHINE HAVING A COOLING DUCT IN A POLE SEPARATOR
A rotor for an electric machine includes a rotor shaft and a laminated core which is arranged on the rotor shaft and formed from stacked electrical laminations and which has radially outwardly projecting laminated core protrusions. Rotor windings are each wound around a laminated core protrusion. A pole separator is arranged between two adjacent laminated core protrusions and has a cooling duct, which runs in the pole separator, for a coolant.
H02K 3/24 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors with channels or ducts for cooling medium between the conductors
H02K 15/02 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
H02K 15/06 - Embedding prefabricated windings in the machines
90.
ROTOR FOR AN ELECTRICAL MACHINE HAVING A TUBULAR COOLING CHANNEL
Rotor for electric machine includes a rotor shaft, and a laminated core arranged on the rotor shaft and formed from stacked electrical laminations with radially outwardly protruding laminated core projections. A first end plate arranged on a first axial side of the laminated core with radially outwardly protruding end plate projections. A second end plate arranged on an opposite second axial side of the laminated core with radially outwardly protruding end plate projections. A plurality of rotor windings are respectively wound around an end plate projection of the first end plate, and an axially opposite end plate projection of the second end plate and a laminated core projection extends axially between the two end plate projections. A pot-shaped first end cap axially covers the first end plate, a pot-shaped second end cap axially covers the second end plate. A tubular cooling channel runs axially between two adjacent rotor windings.
H02K 3/24 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors with channels or ducts for cooling medium between the conductors
H02K 1/28 - Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
H02K 15/02 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
The invention relates to an axial flux rotary electric machine (2), in particular a permanent magnet axial flux rotary electric machine, having an axis of rotation (X) and comprising at least one stator and at least one rotor arranged opposite the stator in the axial direction, this machine comprising an electrical connection assembly (8) that comprises: - at least one busbar (10) arranged to make an electrical connection between at least one electrical winding (14) of the electric machine (2) and an external electrical device; and - a hollow body (16) within which a heat-transfer fluid circulation channel (18) is defined. This hollow body (16) is configured to accommodate the at least one busbar (10) such that the busbar (10) extends at least partially into the heat-transfer fluid circulation channel (18).
H02K 3/24 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors with channels or ducts for cooling medium between the conductors
H02K 3/52 - Fastening salient pole windings or connections thereto
H02K 21/24 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos
Title of the invention: Stator of a rotating electrical machine The present invention relates to a stator (4) of a rotating electrical machine (1) wherein at least one notch (22) comprises a reception zone (220) for conductive elements and a neck (221) extending the reception zone (220) towards the internal periphery (20) of the body (14) of the stator, the reception zone (220) having an abutment face (222) preventing the disengagement of the conductive elements in the direction of the internal periphery (20) which is orthoradial, the neck (221) having a width, measured in an orthoradial direction, which is variable over at least part of the distance between the abutment face (222) and the internal periphery (20).
H02M 7/219 - Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only in a bridge configuration
H02M 1/14 - Arrangements for reducing ripples from DC input or output
H02M 5/458 - Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into DC by static converters using discharge tubes or semiconductor devices to convert the intermediate DC into AC using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
A method of AC acquisition for an electric machine, includes: a step in which an inverter is operated according to a six-step operation, during which a fundamental period of 2π is divided into six equal time periods, maximum one switching action occurring during each; a step in which a plurality of values of an AC of the inverter from a first reference frame are sampled for each equal time period; a step in which the sampled values are rotated from the first reference frame to a second reference frame; a step in which for each equal time period, the values from the second reference frame are averaged; and a step in which a current value is estimated according to the averaged sampled values.
The present disclosure provides an on-board power supply device (1) The on-board power supply device includes a housing and an electromagnetic interference shielding element (2), wherein the housing includes a cover (11) and a wall (12), the wall (12) separates two adjacent spaces in the housing, and the electromagnetic interference shielding element (2) is arranged between the cover (11) and the wall (12) and is in electrically conductive contact with the cover (11) and the wall (12). The present disclosure also relates to a vehicle including the on-board power supply device.
The present disclosure relates to an electric power conversion and distribution unit, a driving system and a vehicle. The electric power conversion and distribution unit comprises: a first housing having a first opening with a first electrical component arranged therein; a second housing having a second opening with a second electrical component arranged therein; wherein the first housing and the second housing are stacked in a way that the first opening and the second opening are docked with each other.
The present disclosure relates to a flow path assembly for a drivetrain system, the flow path assembly comprising an electric motor shaft that can rotate around a rotation axis and comprises a first end and a second end that is opposite the first end; and a transmission shaft, which is in transmission connection with the electric motor shaft and coaxially arranged therewith. The electric motor shaft comprises a first central hole that forms a part of a flow path, and first and second cooling holes that communicate with this first central hole. The first cooling hole is near the first end, and the second cooling hole is near the second end. A separating part is further provided in the first central hole of the electric motor shaft, and separates the first central hole into a first section that communicates with the first cooling hole and a second section that communicates with the second cooling hole. The transmission shaft comprises a second central hole that forms a part of the flow path, and first and second communicating holes, the first communicating hole connecting the second central hole with the first section, and the second communicating hole connecting the second central hole with the second section. The present disclosure further relates to a drivetrain system comprising the flow path assembly, and a vehicle comprising the drivetrain system.
H02K 1/32 - Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
H02K 7/116 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
B60K 1/00 - Arrangement or mounting of electrical propulsion units
98.
GEARED MOTOR IN WHICH A STATOR HOUSING IS BETTER SECURED
The invention relates to a geared motor (1) having a transmission (2) and an electric motor (3, 3') connected thereto. A stator (13) of the electric motor (3, 3') is connected to a transmission housing (4) of the transmission (2) in a force-fit manner. The motor housing (12) comprises an end-face housing part (15) arranged on the end face of the stator (13) and a stator housing (16) enclosing the stator (13), wherein the stator housing (16) connects the transmission housing (4) and the end-face housing part (15). The stator housing (16) has axial play (B1, B2) with respect to the transmission housing (4) and/or the end-face housing part (15). The invention also relates to a vehicle (23) comprising such a geared motor (1).
A rotor assembly method includes an assembly step configured to install a stack of laminations on a rotor shaft of a rotor, wherein the stack of laminations includes an inner portion and an outer portion which is, compared to the inner portion, more distant to the rotor shaft. A compression step includes compressing the inner portion to provoke accordingly a fan-out of the outer portion, so as to form a compact inner portion and a fan-out outer portion. A compacting step includes compacting the fan-out outer portion to form a compact outer portion, a compact lamination package including the compact inner portion and the compact outer portion being thus formed.
H02K 15/00 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
H02K 15/02 - Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
The invention relates to a power module (1), comprising: • a substrate (3) • a first conductor (C+) comprising a connection portion (P+), at least one terminal (B+), and at least one coupling portion (PL+); • a second conductor (C-) comprising a connection portion (P-) and a terminal (B-); • a third conductor (C~) comprising a first connection portion (P1~) and a second connection portion (P2~), at least one terminal (B~), and at least one coupling portion (PL~); characterised in that at least one coupling portion (PL+) of the first conductor (C+) spans across a connection portion (P~) of the third conductor (C~), or in that at least one coupling portion (PL~) of the third conductor (C~) spans across a connection portion (P+) of the first conductor (C+).
H01L 23/00 - Details of semiconductor or other solid state devices
H01L 25/07 - Assemblies consisting of a plurality of individual semiconductor or other solid-state devices all the devices being of a type provided for in a single subclass of subclasses , , , , or , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in subclass
H02M 7/00 - Conversion of AC power input into DC power outputConversion of DC power input into AC power output
H01L 23/373 - Cooling facilitated by selection of materials for the device
H01L 23/538 - Arrangements for conducting electric current within the device in operation from one component to another the interconnection structure between a plurality of semiconductor chips being formed on, or in, insulating substrates
H01L 25/16 - Assemblies consisting of a plurality of individual semiconductor or other solid-state devices the devices being of types provided for in two or more different subclasses of , , , , or , e.g. forming hybrid circuits
patents
