A motor includes a stator core having an annular shape, a coil wound around a tooth of the stator core, a first terminal electrically connected to the coil, a housing that houses the first terminal, and a second terminal at least partially inserted into the first terminal housed in the housing. The second terminal includes an electrical connecting portion inserted into the first terminal and electrically connected to the first terminal. The housing includes a first restricting portion that restricts movement, in a circumferential direction of the stator core, of a portion of the second terminal other than the electrical connecting portion.

The present invention provides a motor including a stator around which coils are wound, a rotor disposed inside the stator, a rotating shaft coupled to the rotor, insulators positioned between the coils and the stator and including outer circumferential surfaces around which the coils are wound, and a motor housing configured to accommodate the insulators, wherein wings configured to arrange the coils are connected to the outer surfaces of the insulators, and an accommodation space configured to accommodate the wings is formed inside the motor housing.

A flat-angled coil having a three-dimensional shape for maximizing a space factor according to the present invention comprises a unit coil comprising multiple layers which are provided to surround the peripheries of teeth of a core provided on an electric motor and laminated along the longitudinal direction of the teeth of the core so as to be integrally connected to each other continuously. The unit coil is formed such that at least a part of an adjacent portion thereof, which is adjacent to another unit coil provided in the same slot formed between the surrounded teeth of the core and the teeth of an adjacent core, is non-parallel with the side surfaces of the surrounded teeth of the core.

A sensor arrangement, including a detection unit and a carrier element for attaching the detection unit at a motor cover, The detection unit, on a side facing the motor cover, including electronic components which are accommodated in a receptacle of the carrier element. A motor including a motor cover and a corresponding sensor arrangement are also described.

The present invention relates to an in-wheel motor. The in-wheel motor according to an embodiment of the present invention includes: a circular rim to which a tire is coupled by being wrapped around an outer ring thereof and a shaft is connected by passing through a center thereof; a motor assembly which is disposed in an inner portion of the rim and includes a stator connected to the shaft and a rotor disposed to be wrapped around the stator and configured to rotate; a cover coupled to cover one open side surface of the rim and configured to seal the inner portion of the rim; and a lead-out wire entry/exit portion waterproof structure configured to seal an entry/exit portion for a lead-out wire connected to supply power from outside of the in-wheel motor to the inner portion of the rim via a hollow portion of the shaft, wherein the lead-out wire entry/exit portion waterproof structure includes an elastic stopper, to which the lead-out wire is connected to pass through a center thereof and which is configured to be elastically contracted after being inserted into the hollow portion of the shaft in an axial direction and seal between the hollow portion of the shaft and the lead-out wire, and a stopper fixing body fastened to the shaft and configured to press the elastic stopper in the axial direction so that the elastic stopper is inserted and fixed inside the hollow portion of the shaft.

A stator includes a cylindrical shaft extending in an axial direction, annular portions positioned side by side in the axial direction radially outside the shaft and extending in a radial direction, pole teeth extending in the axial direction from a radially outer end portion of each of the annular portions, and one or more coils between the annular portions adjacent to each other in the axial direction and wound around the shaft. The shaft includes at least one slit recessed radially inward from an outer peripheral surface of the shaft and extending along the axial direction. A portion of the at least one slit is radially inside the annular portion. A lead wire of the coil is accommodated in the at least one slit.

Various embodiments relate to a motor in which a structure of an insulator is improved. The motor includes an insulator module coupled to a top face of a stator core. The insulator module includes: each power terminal unit connected to each of 3-phases power lead wires; a neutral terminal unit connected to a neutral point of a coil; and an insulator body for achieving insulations between the power and neutral terminal units and the stator core, and between the power and neutral terminal units, wherein the power terminal unit and the neutral terminal unit are positioned at different vertical levels.

The present disclosure includes: a holding ring fitted to a rotor and holding a rotor coil of the rotor; and an interpolar jumper wire electrically connecting field poles of the rotor to each other, the interpolar jumper wire being composed of a flexible lead formed by stacking electrically conductive metal plates and a metal wire connected to the flexible lead. In a case where the flexible lead is divided, in terms of positions in a radial direction of the metal plates thereof, at half the number of all the stacked metal plates, an average value of plate thicknesses of metal plates that are disposed on an inner layer side is set to be smaller than an average value of plate thicknesses of metal plates that are disposed on an outer layer side.

A non-output-side end shield (100) for a brushless electric motor (500) is provided, including a centrally arranged bearing seat (110) for accommodating a non-output-side rotor bearing (510) for a rotor shaft (560) of the brushless electric motor (500), the non-output-side end shield (100) including a sensor receptacle (150), which is used as a carrier for a sensor circuit board (550) for detecting the rotational position of the rotor shaft (560), the non-output-side end shield (100) and the sensor receptacle (150) being formed together as a one-part component.

An electric motor including a motor rotor and a motor stator including a stator core including a plurality of stator teeth spaced along a circumferential direction of the stator core, a plurality of coil groups, wherein each of the plurality of coil groups includes a plurality of coils wound on a corresponding stator tooth, and an incoming line terminal and an outgoing terminal both comprising a same number of coil ends, and two motor lead groups, wherein a number of the plurality of motor leads of each of the two motor lead groups is equal to a number of the plurality of coil groups, and wherein each of the plurality of motor leads is connected to one incoming line terminal or one outgoing line terminal of one corresponding coil group of the plurality of coil groups.