An axial field rotary energy device has a PCB stator panel assembly between rotors with an axis of rotation. Each rotor has a magnet. The PCB stator panel assembly includes PCB panels. Each PCB panel can have layers, and each layer can have conductive coils. The PCB stator panel assembly can have a thermally conductive layer that extends from an inner diameter portion to an outer diameter portion thereof. Each PCB panel comprises discrete, PCB radial segments that are mechanically and electrically coupled together to form the respective PCB panels.

An electric power supply is disclosed having high-voltage, direct-current (HVDC) circuitry comprising one or more DC pre-charge capacitors and one or more power transistor switches, the HVDC circuitry configured to receive high-voltage, direct-current (HVDC) input power of about 320 volts and/or greater and convert the HVDC input power to multi-phase, high-voltage, alternating-current (HVAC) output power of about 320 volts and/or greater; and low-voltage, direct current (LVDC) circuitry adapted and configured to operate on low-voltage, direct-current, wherein the LVDC circuitry is configured to control and monitor the multi-phase HVAC output power. The electric power supply is further configured to operate in reverse and convert received multiphase HVAC input power to HVDC output power.

An electric power supply is disclosed having high-voltage, direct-current (HVDC) circuitry comprising one or more DC pre-charge capacitors and one or more power transistor switches, the HVDC circuitry configured to receive high-voltage, direct-current (HVDC) input power of about 320 volts and/or greater and convert the HVDC input power to multi-phase, high-voltage, alternating-current (HVAC) output power of about 320 volts and/or greater; and low-voltage, direct current (LVDC) circuitry adapted and configured to operate on low-voltage, direct-current, wherein the LVDC circuitry is configured to control and monitor the multi-phase HVAC output power. The electric power supply is further configured to operate in reverse and convert received multiphase HVAC input power to HVDC output power.

A motor assembly having a rotational axis includes a motor housing comprising a plurality of cooling openings extending therethrough and defining a chamber. The motor assembly also includes a stator fixedly coupled to the motor housing and positioned within the chamber. A rotor is coupled to at least one of the motor housing and the stator, wherein the rotor is configured to rotate about the axis and is positioned within the chamber. The motor assembly includes a fan having a first inlet side on a first axial side of the fan and a second inlet side on a second, opposing, axial side of the fan. The fan is configured to draw cooling air in a first direction through the at least one cooling opening into the first inlet side, and the fan is also configured to draw cooling air in a second, opposite direction into the second inlet side.

Hybrid power train (1) with a low-voltage motor-generator (2), in particular with a 48V motor-generator (2), comprising: an internal combustion engine (3); a clutch (4) operatively connected to the internal combustion engine (3); a drive shaft (5) which at a first end portion is operatively connected to the clutch (4), and which at a second end portion is operatively connected to a gearbox; a low-voltage motor-generator (2) operatively connected to the drive shaft (5); an inverter unit (7) operatively connected to the low-voltage motor-generator (2); an electronic control unit (8); an electric power source (9) operatively connected to the inverter unit (7); wherein the low-voltage motor-generator (2) is arranged in a concentric manner around the drive shaft (5) in such a way as to form a driving connection between a rotor of the low-voltage motor-generator (2) and the drive shaft (5); wherein the low-voltage motor-generator (2), the inverter unit (7) the electric power source (9), and the gearbox are arranged entirely inside a bell housing (10) of the gearbox, and wherein the electronic control unit (8) comprises a) at least one controller arranged in the bellhousing (10) and no controller arranged out of the bellhousing (10); b) two or more controllers, wherein at least one controller is arranged in the bellhousing (10) and at least one controller is arranged out of the bellhousing (10); or c) at least one controller arranged out of the bellhousing (10) and no controller arranged in the bellhousing (10).

Hybrid power train (1) with a low-voltage motor-generator (2), in particular with a 48V motor-generator (2), comprising: an internal combustion engine (3); a clutch (4) operatively connected to the internal combustion engine (3); a drive shaft (5) which at a first end portion is operatively connected to the clutch (4), and which at a second end portion is operatively connected to a gearbox; a low-voltage motor-generator (2) operatively connected to the drive shaft (5); an inverter unit (7) operatively connected to the low-voltage motor-generator (2); an electronic control unit (8); an electric power source (9) operatively connected to the inverter unit (7); wherein the low-voltage motor-generator (2) is arranged in a concentric manner around the drive shaft (5) in such a way as to form a driving connection between a rotor of the low-voltage motor-generator (2) and the drive shaft (5); wherein the low-voltage motor-generator (2), the inverter unit (7) the electric power source (9), and the gearbox are arranged entirely inside a bell housing (10) of the gearbox, and wherein the electronic control unit (8) comprises a) at least one controller arranged in the bellhousing (10) and no controller arranged out of the bellhousing (10); b) two or more controllers, wherein at least one controller is arranged in the bellhousing (10) and at least one controller is arranged out of the bellhousing (10); or c) at least one controller arranged out of the bellhousing (10) and no controller arranged in the bellhousing (10).

The integrated dual-motor controller includes a controller housing, a bus magnetic ring component, an all-in-one module, a control plate, an isolation plate and a drive plate. The bus magnetic ring component, the all-in-one module, the control plate, the isolation plate and the drive plate are all integrated in the controller housing. The integrated dual-motor controller is designed to achieve a high level of integration, and a modular design is used inside to facilitate mounting and reduce the size.

The integrated dual-motor controller includes a controller housing, a bus magnetic ring component, an all-in-one module, a control plate, an isolation plate and a drive plate. The bus magnetic ring component, the all-in-one module, the control plate, the isolation plate and the drive plate are all integrated in the controller housing. The integrated dual-motor controller is designed to achieve a high level of integration, and a modular design is used inside to facilitate mounting and reduce the size.

The present disclosure relates to electromagnetically-controlled magnetic cycloidal gear assemblies configured to achieve enhanced torque capacity, and methods of operating same. In one example embodiment, a method includes sensing a position of a cycloid relative to a stator, where the stator includes a plurality of electromagnets, and the cycloid includes a plurality of permanent magnets. Also, the method includes determining respective torque characteristics concerning the respective electromagnets based upon the sensed position, where the respective torque characteristic that is determined concerning each respective one of the electromagnets is indicative of a respective relative position of the respective electromagnet in relation to a respective closest one of the permanent magnets. The method additionally includes outputting from a controller, for receipt respectively at least indirectly by the respective electromagnets or respective control devices coupled thereto, a plurality of output signals respectively based at least in part upon the respective torque characteristics.

The present disclosure relates to electromagnetically-controlled magnetic cycloidal gear assemblies configured to achieve enhanced torque capacity, and methods of operating same. In one example embodiment, a method includes sensing a position of a cycloid relative to a stator, where the stator includes a plurality of electromagnets, and the cycloid includes a plurality of permanent magnets. Also, the method includes determining respective torque characteristics concerning the respective electromagnets based upon the sensed position, where the respective torque characteristic that is determined concerning each respective one of the electromagnets is indicative of a respective relative position of the respective electromagnet in relation to a respective closest one of the permanent magnets. The method additionally includes outputting from a controller, for receipt respectively at least indirectly by the respective electromagnets or respective control devices coupled thereto, a plurality of output signals respectively based at least in part upon the respective torque characteristics.