An end plate for a motor with a motor casing. The end plate includes a body adapted to be coupled to the motor casing and cover an opening of the motor casing. The body defines a ribbed structure to shield a power terminal assembly disposed laterally outwardly with respect to the motor casing. The ribbed structure includes a first rib and a second rib spaced apart from the first rib, and the power terminal assembly is adapted to be coupled to and be captured in between the first rib and the second rib.

An object of the present invention is to provide a power conversion device configured to attain suppression of heat concentration and miniaturization of the device. The power conversion device 40 includes a power module 17 for converting dc power into ac power, a first circuit substrate (power circuit substrate) 16 including a capacitor 31 for smoothing the dc power, and a casing 20 for storing the power module 17 and the first circuit substrate 16. Either the first circuit substrate 16 or the power module 17 is disposed on an inner surface 20bb of a side wall 20b having an outer wall surface 20ba of the casing 20, and the other is disposed on a predetermined inner wall surface 20a of the casing 20 to form an angle with the inner surface 20bb.

A dynamo-electric machine includes a stator, a rotor disposed in the stator, a bottomed tubular case that accommodates the stator, an end cover mounted on an open end of the case, and a circuit substrate that controls driving of the dynamo-electric machine. The stator includes a core having portions that protrude toward a center of the stator, insulators mounted on the stator core, and a coil wound around each of the protruding portions with the insulators therebetween. The circuit substrate is disposed inward of an outer end of the case and is disposed between the stator and the end cover, and includes a first insulation sheet disposed between the circuit substrate and the stator to insulate the circuit substrate and the coil; and a second insulation sheet disposed between the circuit substrate and the end cover to insulate the circuit substrate and the end cover.

A servo and a robot with the same are provided. The servo comprises a servo body, an upper cover, a lower cover, and a gear set having a plurality of gears meshing with each other. The gear set is located in the servo body, and comprises an output gear located in the center of the servo body as seen from the cross section of the servo body.

A stator sub-assembly with a connector includes a stator sub-assembly including a stator core and a rigid wiring board, and a connector fixed to a connector mounting part of the rigid wiring board in such a way that it is opposed to the stator core in the radial direction of the frame. A groove part that extends in the axial direction from an opening in the axial direction and accommodates the connector and the connector mounting part is formed in an inner peripheral surface of the frame. A window part for an opponent connector to mate with the connector accommodated in the groove part is formed in the frame. The window part opens in an outer surface of the frame and an inner surface of the groove part, and has an unbroken inner peripheral surface.

The present disclosure provides a motor including a stator, a rotor and a first circuit board. The stator includes a winding assembly including a plurality of coils. A conductive element is extended out from the winding assembly and is electrically connected to a first electrical connector. The first electrical connector penetrates through a pillow of the stator and is electrically connected to the first circuit board. The motor further includes a second circuit board electrically connected to the first circuit board, and a first insulation plate, a second insulation plate and a third insulation plate for fixing and protecting the circuit boards. The motor also includes a clip for fixing and heat dissipating an electronic component disposed on the second circuit board.

A stator (1) for an electric motor, including; a plurality of pins (11, 12, 13, 14, 21, 22, 23, 24, 31, 32, 33, 34) which are arranged on at least two concentric circles; and an interface (10, 20, 30) with at least one contact face (19, 29, 39), which is connected to two electrically conductive legs (10a, 10b, 20a, 20b, 30a, 30b) and is supported by the legs, wherein the legs are connected to at least one pin on different concentric circles.

Connectors are each integrated with a holder in a state in which bus bars are projected. A first projection and a second projection of the holder are respectively inserted in a first insertion hole and a second insertion hole in a circuit substrate. This determines positions of the holder and the circuit substrate relative to each other. The holder has coil lead wire insertion holes, capacitor lead wire insertion holes, and element lead wire insertion holes. These insertion holes extend in the same direction as the direction in which the bus bars project from the holder.

A busbar assembly is disclosed herein. The assembly includes a ring body having a plurality of openings extending in an axial direction and configured to receive electrical wire connections, and a plurality of phase conductors. A high-voltage connection portion is also included in this same body. The high-voltage connection portion includes a plurality of high voltage conductors each configured to engage a respective one of the plurality of phase conductors. A plurality of connectors are each attached to a respective one of the plurality of high voltage conductors. A seal is arranged on a periphery of the high-voltage connection portion to incorporate the busbar into one combined simple design.

An electrical drive unit has a housing having a metal pole housing, which accommodates a stator and a rotor, and a separately produced electronic housing which axially adjoins the pole housing and accommodates an electronic unit. At least one contact element is integrated inside the electronic housing and forms, via at least one ground pin, an electrically conductive connection between the electronic housing and the pole housing to establish a ground connection. An open flange and a cylindrical circumferential wall are formed on the pole housing, against which circumferential wall the at least one ground pin radially bears in a resilient manner, and the at least one ground pin has a side surface facing the circumferential wall, wherein a bearing contour is formed on the side surface and bears against the circumferential wall only in an approximately punctiform manner with respect to an axial direction and/or a circumferential direction.