A terminal connection structure for a rotary machine which electrically connects the rotary machine and a terminal block of a power control unit, comprises a terminal including a layered portion connected to a winding of the rotary machine and formed by layering at least a first conductor portion and a second conductor portion; and a fastening member fastening the terminal and the terminal block of the power control unit.

A driving device includes an electric motor, a rotating shaft, a motor housing, a printed circuit board, an electric power converting circuit, a rear frame end working as a heat radiating member, gel working as a heat transfer member, multiple mounted parts and so on. The heat radiating member is located on a side of the printed circuit board and facing a motor-side surface of the printed circuit board, to which multiple switching elements are mounted. The gel is plastically deformed and adhered to the switching elements and the heat radiating member for transferring heat of the switching elements to the heat radiating member. At least one of the mounted parts is mounted to the printed circuit board and located at a position between a through-hole opposing area and one of the switching elements, which is located at a position closest to a rotational angle sensor mounted to the printed circuit board in the through-hole opposing area.

A liquid-cooled integrative power system for electric forklift includes an integrated transmission gearbox, an integrated motor controller, a drive motor, an oil pump motor, an oil pump and a vehicle controller. The integrated transmission gearbox includes a drive motor transmission mechanism and an oil pump motor transmission mechanism. The integrated motor controller includes a drive motor control unit and an oil pump motor control unit. The integrated transmission gearbox, the integrated motor controller, the drive motor, the oil pump motor, the oil pump and the vehicle controller are completely integrated and mounted to form the liquid-cooled integrative power system for electric forklift.

The present invention provides a motor comprising: a shaft; a rotor coupled to the shaft; a stator disposed outside the rotor; a housing disposed outside the stator; a circuit board disposed on the stator; and a coupling member for coupling the circuit board to the housing. The circuit board includes a first region where a ground pattern is formed, and a second region which is the remainder excluding the first region, wherein the first region has a first hole, and the second region has at least one second hole. The coupling member includes a first screw which is coupled to the housing through one selected from among the first hole and the second hole.

An inverter for an electric motor is disclosed. The inverter includes a capacitor board including at least one capacitor, at least one transistor board, and a cooling element. The capacitor board and the at least one transistor board are electrically interconnected. The capacitor board and the at least one transistor board are each aligned transversely to a longitudinal central axis of the inverter. The cooling element is pot-shaped and provides a housing of the inverter that receives the capacitor board and the at least one transistor board.

An inverter for an electric motor may include a capacitor board and at least one electrically conductive contacting unit. The capacitor board may include at least one capacitor and at least one transistor board. The capacitor board and the at least one transistor board may be aligned transversely to a longitudinal direction. The capacitor board and the at least one transistor board may be electrically interconnected. The at least one electrically conductive contacting unit may be configured to contact at least one electrically conductive phase terminal of the motor. The at least one contacting unit may be connected to the at least one transistor board in an electrically conductive manner. The at least one contacting unit may be resilient in the longitudinal direction.

An arrangement for plug-connecting electrical connections through a housing, in particular a device for driving a compressor. The arrangement exhibits at least one plug-in connection with at least one plug-in connector for transmitting electrical energy, as well as one mounting element for mounting the at least one plug-in connector. The mounting element can be fixed on the housing. The mounting element exhibits on one inner surface of the housing, which encloses the volume, an opening for mounting a fastening element for fixing the mounting element on the housing. The opening is produced in such a way that it starts from the inner surface, extends into the mounting element and ends in the mounting element. The fastening element is arranged in such a way that it is inserted into the opening from the volume enclosed by the housing through a pass-through opening, that is produced in the housing.

An air conditioning apparatus includes an indoor unit and an outdoor unit. The outdoor unit includes a compressor that compresses a refrigerant and a motor drive apparatus that drives the compressor. The motor drive apparatus includes an inverter that converts a direct-current voltage into an alternating-current voltage and a motor that operates on the alternating-current voltage from the inverter. The motor includes six stator windings that are each openable at both ends. The motor drive apparatus further includes a connection state switching unit that includes a function of switching a connection state of the six stator windings of the motor among at least four types of connection states.

A pressure supply unit for a brake system including a booster body that defines an axially extending cylinder. A piston is slideable within the cylinder. The piston defines a bore that receives a spindle. The spindle is rotationally fixed and axially moveable for providing the axial movement of the piston. A motor is positioned about the spindle and is configured to axially translate the spindle and piston. A ball and socket joint connects the piston and spindle while accommodating pivoting movement of the spindle. The ball and socket joint includes a ball at a front end of the spindle and a socket in the bore of the piston which receives the ball.

The present invention can provide a motor including a shaft, a rotor disposed outside the shaft, a stator disposed outside the rotor, a sensing magnet coupled to the rotor, a circuit substrate disposed above the sensing magnet and including a sensor configured to detect a magnetic flux change due to the sensing magnet, and a cap member which covers the sensor, wherein the circuit substrate includes a first substrate, a second substrate disposed to be spaced apart from the first substrate, and connecting portions connecting the first substrate to the second substrate, the sensor is mounted on the second substrate, and the cap member is disposed to pass through a separating space between the first substrate and the second substrate.