An electric driving apparatus according to an embodiment of the present invention includes: a housing; an electric machine comprising a motor shaft rotatably supported by the housing; a first speed reduction portion comprising a first speed shifting shaft capable of being rotationally driven by the motor shaft and configured to shift and transmit a rotational driving force of the motor shaft at a predetermined first speed shifting ratio; a second speed reduction portion comprising a second speed shifting shaft capable of being rotationally driven by the motor shaft and configured to shift and transmit the rotational driving force of the motor shaft at a predetermined second speed shifting ratio; and a double clutch unit configured to receive the rotational driving force of the first speed shifting shaft or the second speed shifting shaft and is configured to selectively rotationally drive at least one of a first output shaft and a second output shaft by the transmitted rotational driving force.

An exemplary thermal management system includes, among other things, a valve, a radiator loop configured to be connected to the valve, a power electronics loop configured to be connected to the valve, a heater loop configured to be connected to the valve, and a battery loop configured to be connected to the valve. The valve is configured to connect one or more of the radiator, power electronics, heater, and battery loops together and the valve is configured to isolate at least one of the radiator, power electronics, heater, and battery loops from any remaining loops of the radiator, power electronics, heater, and battery loops.

A charge transfer system includes an on-board vehicle motor system and a plug in supply. The on-board vehicle motor system includes a first motor including a plurality of stator windings, a second motor including a plurality of stator windings, a first inverter having a plurality of switch legs, a second inverter having a plurality of switch legs, a controller, and an on-board power supply. The plug-in supply is connected between at least one switch leg of the first inverter and at least one switch leg of the second inverter. The controller modulates the switch legs of the first and second inverters such that electric current flows through at least one stator winding of the first or second motor to charge the on-board power supply. The current flow can also alternate in phase with plug-in supply polarity to produce a stable stator flux vector angle preventing motor rotation during charge transfer.

The invention relates to a drive device (8) for a motor vehicle (1) having two drivable wheels (6, 7) on a wheel axle (3), said drive device comprising an electric machine (9), which is designed as an asynchronous machine and which has at least one stator (10) and at least one rotor (11, 12), wherein the rotor (11, 12) is or can be operatively connected to at least one of the wheels (6, 7) in order to drive said wheel. According to the invention, the electric machine (9) has two rotors (11, 12), which can rotate independently of one another, each of which is or can be operatively connected to one wheel (6, 7) of the wheel axle (3), and a device for varying the electric rotor resistance of at least one of the rotors (11, 12).

A charge transfer system includes an on-board vehicle motor system and a plug in supply. The on-board vehicle motor system includes a first motor including a plurality of stator windings, a second motor including a plurality of stator windings, a first inverter having a plurality of switch legs, a second inverter having a plurality of switch legs, a controller, and an on-board power supply. The plug-in supply is connected between at least one switch leg of the first inverter and at least one switch leg of the second inverter. The controller modulates the switch legs of the first and second inverters such that electric current flows through at least one stator winding of the first or second motor to charge the on-board power supply. The current flow can also alternate in phase with plug-in supply polarity to produce a stable stator flux vector angle preventing motor rotation during charge transfer.

A generator and clutch assembly is disclosed for use in a vehicle and includes a rotatable input, an electric generator in a generator housing, a clutch rotor by driven by the rotatable input, and an electric clutch and brake assembly which may be integrated with the generator housing. A field coil may be mounted to an external surface of the generator housing. The generator and clutch may be offset and connected by means of a transfer system having a transfer housing, wherein a field coil is mounted to an external surface of the transfer housing.

In a wheel drive apparatus, a clutch is configured to switch a coupling mode between a first rotating shaft of a first rotating electrical machine and a second rotating shaft of a second rotating electrical machine to any one of (i) a power transmission mode in which power transmission is enabled between the first rotating shaft and the second rotating shaft; and (ii) a power interruption mode in which power transmission is interrupted between the first rotating shaft and the second rotating shaft.

Provided is a compound motor (14) comprising a magnet rotor (19) supported by bearings (B3, B4) in a rotatable manner, a winding rotor (20) supported by bearings (B5, B6) in a rotatable manner relative to the magnet rotor (19) at the inner side of the magnet rotor (19) and having rotor winding units (20b), and slip ring mechanisms (25). A space is formed in the inner circumference of the winding rotor (20). At least a part of the slip ring mechanisms (25) is arranged in the space of the inner circumference of the winding rotor (20). The bearings (B3 to B6) include bearings (B3, B6), the internal diameter of each is larger than the size of slip ring mechanisms (25) with respect to the radial direction. The bearings (B3, B6) are arranged outside the slip ring mechanisms (25) with respect to the radial direction.

An electric driving apparatus according to an embodiment of the present invention includes: a housing; an electric machine comprising a motor shaft rotatably supported by the housing; a first speed reduction portion comprising a first speed shifting shaft capable of being rotationally driven by the motor shaft and configured to shift and transmit a rotational driving force of the motor shaft at a predetermined first speed shifting ratio; a second speed reduction portion comprising a second speed shifting shaft capable of being rotationally driven by the motor shaft and configured to shift and transmit the rotational driving force of the motor shaft at a predetermined second speed shifting ratio; and a double clutch unit configured to receive the rotational driving force of the first speed shifting shaft or the second speed shifting shaft and is configured to selectively rotationally drive at least one of a first output shaft and a second output shaft by the transmitted rotational driving force.

A drive system for a vehicle includes an engine, a torque converter that receives power from the engine, an output shaft that transmits torque, transmitted from the torque converter, to a drive wheel, a motor generator that is able to transmit power to the output shaft, and a first clutch provided between the engine and the torque converter and configured to allow or interrupt transmission of power between the engine and the torque converter.