An elastic-locking winding carrier for a preformed coil assembly of a stator of an electric motor, includes a winding portion adapted to receive a winding having a wound electrical conductor to produce a coil. The winding portion includes upper and lower portions, first and second openings arranged on the winding portion, and first and second flexible members located inside respective first and second openings and extending thereacross. The first and second flexible members are arranged such that either of the first and second flexible members cooperates with a tooth of the stator as a function of the magnitude of the gap between the tooth and the lower portion of the winding portion when the preformed coil assembly is mounted on the tooth to fix the preformed coil assembly to the tooth.

The present disclosure provides a rotary electric machine including a housing, a stator, a rotor, an outer cover and a plurality of power cables. The stator is disposed in the housing and includes a stator core, a plurality of windings, a circuit board and a plurality of conductive pillars. The plurality of windings are wound around the stator core. The circuit board is fixed on the top of the stator core. The plurality of conductive pillars are electrically coupled with the circuit board. The rotor includes and an end cover. The end cover is disposed between the outer cover and the housing. The plurality of conductive pillars partially penetrate through a notch of the end cover, respectively. Two ends of each of the plurality of power cables are electrically coupled with the corresponding one of the plurality of conductive pillars and a connector, respectively.

A rotor, in particular for a current-excited synchronous machine, is at least partly embedded in a potting compound. The rotor is equipped with at least one conductor element, which forms a winding and is connected to a current collecting element, wherein potting compound is provided at least between the current collecting element and the winding, and a connection section of the conductor element, the connection section extending between the winding and the current collecting element, is shielded from the potting compound by a decoupling element arranged at the connection section.

A stator includes a stator core having a plurality of teeth, a plurality of windings having coils wound around the teeth, a winding holding portion for holding a part of the winding, and a plurality of coil terminals having a winding connection portion connected to the winding. A first end portion and a second end portion of the winding are wound around the same winding holding portion and held thereon. The winding has two or more coils between the first end portion and the second end portion.

A stator includes: a stator core having an annular shape; teeth that protrudes inwardly in a radial direction from an inner peripheral surface of the stator core; an insulator that covers the teeth; and a winding wound around the teeth with the insulator interposed between the winding and the teeth. The teeth includes: a right surface extending in a first direction along a central axis of the stator core; a left surface extending in the first direction; a top surface that extends between the right surface and the left surface in a second direction intersecting the first direction; a bottom surface that extends between the right surface and the left surface in the second direction; and a through-hole portion penetrating through the teeth from the top surface to the bottom surface.

A rotating electrical machine includes a plurality of winding holding portions, a plurality of coil terminals having a winding connection portion connected to a winding, and a plurality of motor terminals connected to the coil terminal. The winding has two or more coils between one end portion and the other end portion. The winding holding portion and the winding connection portion are arranged inward of the coil in the radial direction. The motor terminal includes a connector portion connectable to an external power supply terminal, a contacted portion contacted by the contact portion of the coil terminal in the axial direction, and a connecting portion that connects the connector portion and the contacted portion. At least a portion of the connecting portion extends from the connector portion to the contacted portion through an opposite side to the stator core with respect to a metal plate.

A device and a method for manufacturing the device for driving a compressor, in particular an electric motor, with a rotor and a stator with a stator core, which are arranged along a longitudinal axis. The stator exhibits connecting cables produced as sections of conducting wires of coils, and connection lines, that are arranged on a first end face of the stator, one insulation element whose wall that is produced essentially with a hollow-cylinder shape projects beyond the stator core on the first end face of the stator in the axial direction, as well as one cover element with mounting elements with connection passages for mounting plug-in connectors, which each are fully enclosed by a wall. A volume enclosed by the stator core, the cover element and the wall of the insulation element which projects beyond the stator core is filled at least zonally with potting compound.

A star disc has integrated current busbars for the interconnecting of rotor windings. A rotor may comprise the star disc, and a method may comprise producing the rotor.

A stator is improved in work efficiency of mounting to a stator core is provided. The stator includes insulators sandwiching the stator core therebetween. The stator core includes a plurality of teeth that radially projects. Each of the insulators includes a plurality of tooth covering portions that radially projects. The tooth covering portions cover the teeth. In a facing portion of one of the insulators facing the stator core, a peripheral portion projects more than a center portion. In a facing portion of the other of the insulators facing the stator core, a center portion projects more than a peripheral portion.

Embodiments of this application provide a busbar assembly, a motor, an electrical product, and a method for manufacturing a busbar assembly. The busbar assembly includes a busbar for conducting electricity and a busbar holder for supporting the busbar. The busbar extends in a circumferential direction, a height of the busbar in an axial direction is greater than a thickness in a radial direction, and the busbar holder is integrally molded with the busbar. The busbar includes a plurality of convex portions extending in the axial direction, and the convex portions are exposed from the busbar holder.