To provide a stator of a motor having an insulating structure achieving insulation easily and reliably. A stator (1) of a motor comprises: a teeth unit (11) with a circular cylindrical part (111) having a circular cylindrical shape and multiple projection parts (112) spaced uniformly along an outer circumference of the circular cylindrical part (111) in a circumferential direction of the circular cylindrical part (111), the projection parts (112) projecting radially outwardly from the circular cylindrical part (111); multiple bobbins (13) having cylindrical shapes with hollow sections (133) through which the projection parts (112) of the teeth unit (11) are passed to be fitted in the hollow sections (133), the bobbins (13) having outer peripheries around which windings (14) are wound; a cylindrical external unit (12) arranged radially outside the teeth unit (11) and fitted to an outer circumference of the teeth unit (11) and the outer peripheries of the bobbins (13); and multiple first insulating parts (15) arranged to fill gaps between the circular cylindrical part (111) of the teeth unit (11) and the bobbins (13) and electrically insulating the teeth unit (11) and the windings (14).

A coil includes a wound body and a resin covering. The wound body is configured by winding a conductor. The wound body is pressure-molded. The resin covering covers a surface of the wound body.

An interior permanent magnet motor includes a stator comprising a hollow and a plurality of coils provided around the hollow; and a rotor rotatably disposed in the hollow of the stator and comprising a plurality of permanent magnets therein. Each of the plurality of permanent magnets of the rotor comprises a central permanent magnet; a pair of side permanent magnets provided at opposite ends of the central permanent magnet to be inclined toward an outer circumferential surface of the rotor; and a pair of bathers provided between the central permanent magnet and the pair of side permanent magnets, a thickness of each of the pair of bathers is equal to or greater than a thickness of the central permanent magnet. The thickness of the central permanent magnet is greater than a thickness of each of the pair of side permanent magnets.

A rotary electrical machine rotor having claw-shaped poles. The machine comprising a plurality of interpolar magnetic assemblies having at least two magnetic assemblies comprising different magnet grades.

An energy conversion system includes rotor, stator and shell components configurations for increasing power efficiency and improving replacement and repair efficiency. The system harvests environmental energy for lower power generation and accounts for non-mechanical sources of rotational resistance within the generator.

A stator structure includes a stator core including a plurality of tooth sections, coils wound around the respective plurality of tooth sections via an insulator, and a first coil cover and a second coil cover that cover the coils from both sides in an axial direction of the stator core. The first coil cover and the second coil cover being coupled via the insulator.

Disclosed is a stator of an EPS motor, the stator including a stator core including a plurality of teeth protrusively formed toward a center of an inner circumferential surface, a plurality of coils wound on the teeth at a predetermined counts, an insulator coupled to an upper surface and a bottom surface of the stator core to insulate the coil from the stator core, and an insulation tube situated nearest to a coil wound on an adjacent stator core and inserted into a coil wound on an outmost side of the teeth.

The invention concerns a pole shoe, in particular of a generator, comprising a pole assembly which is of a laminated configuration, at least one winding arranged around the pole assembly, and a body which passes through the laminated pole assembly in the longitudinal direction and which has a plurality of transversely directed engagement locations, preferably at most three transversely directed engagement locations, into which a respective holding means can engage to fasten the pole shoe on a support, in particular the rotor or stator of a generator. The present invention further concerns a pole shoe, in particular of a generator, comprising a pole assembly which is of a laminated configuration, at least one winding arranged around the pole assembly, and an insulating means arranged between the pole assembly and the winding, wherein the insulating means has a fiber composite material.

A stator for a rotary electric machine includes an annular yoke, and teeth projecting from the yoke in a stator radial direction. Both ends of each of the teeth in a stator axial direction include reduced-width parts. The width of each of the reduced-width parts is smaller than the width of the remaining part of each of the teeth. Stator coils each is wound around each of the teeth in concentrated winding, and includes at least one curved portion in a coil end portion. The curved portion corresponds in position to at least part of the reduced-width parts.

The invention relates to a coil former (110) for a coil (100) of an electric machine (400). The coil former has a coil core (112) and a terminating wall (115) having a first edge (118) and a second edge (119). The first edge is arranged opposite the second edge, and the terminating wall is designed to retain a coil wire (120), which can be wound around the coil core, in a wound position. The terminating wall has a first retaining projection (130) and a second retaining projection (140), wherein the first retaining projection extends in an extension plane (117) of the terminating wall from the first edge in a first projection direction (131) along a first center axis (132) of the first retaining projection and the second retaining projection extends in the extension plane (117) of the terminating wall from the second edge in a second projection direction (141) along a second center axis (142) of the second retaining projection.