A transmission mechanism is provided with an output gear drivingly coupled to at least one of a pair of output members and placed coaxially with the pair of output members. A direction in which a rotating electrical machine and an inverter device are arranged side by side in an axial view is defined as a first direction. A direction perpendicular to both an axial direction and the first direction is defined as a second direction. A first output member that is one of the pair of output members is placed between the rotating electrical machine and the inverter device in the first direction, at a position in the second direction where both the rotating electrical machine and the inverter device are placed. The output gear is placed in such a manner as to overlap each of the rotating electrical machine and the inverter device in the axial view.

A converter system for transferring power, including a first high voltage DC-DC module, a second high voltage DC-DC module, and a controller. The high voltage DC-DC modules are electrically separated, the first high voltage DC-DC module is connected to a first high voltage interface of a high voltage system and to a first low voltage interface of a low voltage system, and being of a first DC-DC module type, and the second high voltage DC-DC module is connected to a second high voltage interface of the high voltage system and to a second low voltage interface of the low voltage system, and being of a second different DC-DC module type. The controller is configured to control power supply via one of the high voltage DC-DC modules to the low voltage system in case of failure affecting the other one of the high voltage DC-DC modules.

A vehicle electrical system includes: an electrical storage system, a first multiphase electrical machine having stator windings, and a first inverter connected to the electrical storage system and the first multiphase electrical machine, the first inverter has a plurality of switch legs with switches; a second multiphase electrical machine having stator windings, and a second inverter connected to the electrical storage system and the second multiphase electrical machine, the second inverter has a plurality of switch legs with switches; and a terminal having poles that receive single-phase AC or multi-phase AC or DC from a vehicle charging source, a first line connects a first pole of the terminal with a first switch leg of the first inverter, a second conductive line connects a second pole of the terminal with a first switch leg of the second inverter, and a first inductor in the first or second conductive lines.

An electric drive unit for a wheel of a motor vehicle, including an electric motor for driving a drive shaft joined to the wheel in a manner resistant to rotation. The drive shaft is disposed coaxial to the rotor of the electric motor and is joined thereto in a rotation-resistant manner. The drive shaft is joined to the rotor of the electric motor in a rotation-resistant and axially moveable manner via a bearing.

A single-wheeled balance vehicle comprises a motor, pedals, a wheel, a power module and a control module. The motor comprises a motor housing and a spindle. The power module and the control module are fixed to the spindle. The power module comprises at least one power unit. The control module comprises a first control unit electrically connected to the power unit and the motor. The two ends of the spindle are fixedly connected to the pedals respectively. The wheel is of a hollow structure having two ends formed with openings, is arranged on the motor housing in a sleeving manner and is fixedly connected to the motor housing. The power module and the control module are located in the wheel. Miniaturization of the single-wheeled balance vehicle is facilitated, and the service life of the single-wheeled balance vehicle is prolonged.

The embodiments of the present application provide a current modulation module, a parameter determination module, a battery heating system, as well as a control method and a control device thereof, and relate to the field of battery. The control method includes determining a state of charge (SOC), of the battery, modulating a first current flowing into windings of a motor into an alternating current when the SOC is greater than a first SOC threshold, so as to use heat generated by the alternating current in a first target module to heat the battery, and modulating a second current flowing into the windings of the motor into a direct current when the SOC is less than or equal to the first SOC threshold, so as to use heat generated by the direct current in a second target module to heat the battery.

A control method may include: controlling a first switch, a second switch, a third switch, a fourth switch, a fifth switch, a first leg, and a second leg set to turn on or off, to form in a first period a circuit loop for a charge/discharge module to discharge to a motor and to form in a second period a circuit loop for the charge/discharge module and the motor to charge a first electric vehicle battery group and a second electric vehicle battery group or form in the second period a circuit loop for the motor to charge the first electric vehicle battery group and the second electric vehicle battery group.

The embodiments of the present application provide a current modulation module, a parameter determination module, a battery heating system, as well as a control method and a control device thereof, and relate to the field of battery. The control method includes determining a state of charge (SOC), of the battery, modulating a first current flowing into windings of a motor into an alternating current when the SOC is greater than a first SOC threshold, so as to use heat generated by the alternating current in a first target module to heat the battery, and modulating a second current flowing into the windings of the motor into a direct current when the SOC is less than or equal to the first SOC threshold, so as to use heat generated by the direct current in a second target module to heat the battery.

A transmission mechanism is provided with an output gear drivingly coupled to at least one of a pair of output members and placed coaxially with the pair of output members. A direction in which a rotating electrical machine and an inverter device are arranged side by side in an axial view is defined as a first direction. A direction perpendicular to both an axial direction and the first direction is defined as a second direction. A first output member that is one of the pair of output members is placed between the rotating electrical machine and the inverter device in the first direction, at a position in the second direction where both the rotating electrical machine and the inverter device are placed. The output gear is placed in such a manner as to overlap each of the rotating electrical machine and the inverter device in the axial view.

A rotatable drive axle assembly for an electric vehicle comprises a rotatable vehicle drive axle configured to be disposed along a transverse axis of an electric vehicle and having an axle end that is configured for attachment to a drive wheel. The rotatable drive axle assembly also comprises a selectively movable differential configured to be disposed on the rotatable vehicle drive axle and configured to operatively couple motive power of a selectively movable electric propulsion motor comprising a rotatable motor shaft rotatable about a motor axis to the rotatable vehicle drive axle and the drive wheel, the selectively movable electric propulsion motor and the motor axis configured to be oriented in a substantially vertical direction and movable with reference to the rotatable vehicle drive axle.