Abstract: A motor apparatus including a stator having a plurality of teeth formed in a circumference thereof, a rotor rotatably installed in the stator, and having a plurality of magnets disposed in a circumference thereof, and a 3-phase coil part having a plurality of coils wound around the teeth, respectively, in which the coils having a preset phase difference are arranged in parallel.

Abstract: A bus assembly, an electrical motor, an electric power steering system, and a vehicle are provided. The bus assembly has multiple bus bars axially spaced along an electrical motor. Each bus bar has multiple bus segments arranged along the circumferential direction of the electrical motor. The bus segments of one of the bus bars have the same structure.

Abstract: A method for producing a single- or multi-layer coil, includes the steps of: providing a flat wire; deforming the flat wire along a deforming direction in order to produce one or more winding sections which are designed to be offset relative to a starting section of the flat wire, wherein the one or more winding sections are designed to form coil layers which run on winding planes arranged in an offset manner relative to the deforming direction; and winding the one or more winding sections on the respective winding plane in order to form one or more coil layers.

Abstract: A stacked plate stator device including a stator body with a plurality of stator teeth, a plurality of winding assemblies, each including a plurality of conductive plate assemblies interleafed and stacked one upon the other with each adjacent plate assembly, including first and second sub-plates and having a single continuous path of conductivity through the stator winding. Also disclosed is a stacked electrical device with a device housing, a stacked plate stator device, and an electrical rotor.

Abstract: A rotary electric machine comprises a rotor and a stator, wherein one of the rotor and the stator includes: a groove portion that is formed on a circumferential surface facing the other of the rotor and the stator and extends in a direction that intersects with a circumferential direction, and a covering portion made of resin that covers the groove portion. The groove portion includes a retention portion that is formed such that a groove width at a second position is wider than a groove width at a first position, wherein the second position is separated in a radial direction from an opening farther than the first position. The retention portion is configured so as to prevent removal of the covering portion by engaging with resin material that is filled in the groove portion.

Abstract: Disclosed herein is a bus bar assembly. The bus bar assembly according the present embodiment includes a plurality of arc-shape body portions provided with different lengths and disposed to be layered in a radial direction, coil connection portions formed integrally with the body portions and provided at predetermined intervals on outer peripheral surfaces of the body portions, and connected to a stator coil, and terminals formed integrally with the body portions and protruding from one end side of each of the body portions in an axial direction, and disposed to be layered in a horizontal direction, wherein one or more groove portions are provided in at least one of the terminals so that wire resistance values between the body portions are equalized.

Abstract: An electric machine may include an stator and a rotatable rotor. At least one of the stator or the rotor may include a plurality of multi-part trapezoidal teeth with an electromagnetic coil disposed around each tooth.

Abstract: An arrangement of a contact element on free coil conductor ends of an electric machine is provided. At least one coil conductor end is inserted into an insertion opening of an assigned contact sleeve on the contact element and is welded to the contact sleeve. The contact element is configured to connect at least two coil conductor ends and/or electrically connect the at least one coil conductor end to at least one phase conductor, and the at least one coil conductor end lies against a wall which delimits the insertion opening of the contact sleeve on the inside over the entire circumference of the coil conductor end at least in a longitudinal region in the insertion direction of the coil conductor end into the contact sleeve.

Abstract: A DC brushless motor is provided, which includes a housing, a motor assembly, a control board and a dividing plate. Wherein, the motor assembly is arranged in the housing, and a connecting terminal is arranged on it. The control board is arranged in the housing and electrically connected with the connecting terminal. The dividing plate is arranged in the housing and is used to divide the motor assembly from the control board. The disclosure is used to solve a problem of complicated internal wiring of a motor caused by a division of the motor and a controller of the conventional DC brushless motor.

Abstract: A power tool having a motor is provided, wherein the motor includes a rotor and a stator, and wherein the stator includes a first winding and a second winding, wherein the windings are designed in such a way that the windings allow operation of the motor of the power tool at substantially full speed, but at substantially half the power compared with the comparison motor. In the comparison motor, the stator coils are substantially completely wrapped with a continuous wire layer. method for operating such a power tool and a method for carrying out charge equalization between two accumulators in a power tool is also provided. The double-wound stator can be used in conjunction with a bridge circuit made up of motor inverters and stator coils to allow charge equalization between two accumulators in a power tool.

Abstract: A stator for a rotating electric machine includes: a stator core provided with slots arranged in a circumferential direction such that the slots are formed in two or more layers in a radial direction; and coils each having an inserted portion positioned inside the slots, and terminal end portions protruding from one end side and another end side of the stator core in an axial direction; wherein the coils include first coils formed to have a straight-line shape at their terminal end portions, second coils inclined in the circumferential direction at a predetermined angle with respect to an end face of the stator core at the one end side or the other end side of the terminal end portions, and third coils inclined in the circumferential direction at a predetermined angle with respect to the end face of the stator core at the one end side and the other end side of the terminal end portions, and the first coils, the second coils, and the third coils are connected to each other at their respective end portions to f

Abstract: A high-voltage bus bar for electrically contacting an electrical, optionally insulated, line with two mutually adjacent, distal end portions of a ring conductor. The high-voltage bus bar includes, in the region of its first distal end, a terminal for connection to the electrical line, and its second distal end bifurcates into at least two prongs in such way that each of the at least two fork prongs forms a separate contact face which is provided to be integrally bonded to one of the distal end portions of the ring conductor.

Abstract: An electric machine configured to convey electromechanical energy, such as through the conversion between electrical power and mechanical power, includes a slot into which is disposed a coil. The slot can be a stator slot having a trapezoidal cross-sectional shape. The coil can have a plurality of turns that, in cross-section, also includes a trapezoidal shape. The turns can be stacked upon each other in a radial direction between the proximal end and the distal end of the stator slot, each turn of the coil having a different cross-sectional area and a different radial height relative to an adjacent turn of the coil. Additionally and/or alternatively, each turn of the coil, except for the turn of the coil located at the distal end of the stator slot, includes a reduced radial height relative to a turn of the coil that is located radially outward from each turn of the coil.

Abstract: A canned rotodynamic flow machine (1) configured for operating with a working fluid such as molten salt of a molten salt nuclear reactor. The stator windings are formed by one or more electrically conductive solid bars (12).

Abstract: A stator assembly and a motor are provided. The stator assembly has a stator core and a winding. The stator core has a stator yoke portion, at least one stator tooth, and at least one winding. The stator tooth is disposed along the axial direction of the stator yoke portion. The stator tooth is detachably connected to the stator yoke portion. The winding is wound on the stator tooth. The stator yoke portion is provided with a stator yoke groove and/or a stator projection adapted to the shape of the stator tooth. The stator tooth passes through the stator yoke groove and/or the stator projection to form the stator core.

Abstract: A stator for an electric machine includes a winding arrangement including a plurality of parallel paths. Each parallel path includes a plurality of coils arranged on the core, each coil defined by coil legs and end turns, the coil legs including left legs and right legs extending through the slots of the core and arranged in layers within the slots. The left legs and right legs of each coil are connected by first end turns at one end of the core and second end turns at an opposite end of the core. The plurality of coils of each parallel path include a first pair of adjacent coils connected in series and a second pair of adjacent coils connected in series. Additionally, an extended coil connection connects the first pair of adjacent coils and the second pair of adjacent coils in series.

Abstract: A driving mechanism for moving an optical element is provided. The driving mechanism includes a fixed part, a movable part, and a driving assembly. The movable part is movably connected to the fixed part for holding the optical element. The driving assembly is configured for moving the movable part relative to the fixed part.

Abstract: An insulating framework, a stator, a motor, a compressor and a vehicle are provided. The insulating framework has a first support, a second support and a third support. The second support is disposed opposite to the first support and is provided with a wire slot. The wire slot passes through the wall surface of the second support. A portion of the bottom wall of the wire slot inclines towards the bottom of the second support to form an inclined portion. The inclined portion is located on the side of the wire slot facing the first support. The third support is located between the first support and the second support and connected to the first support and the second support.

Abstract: A cooling fluid conducting device for an electric machine has multiple cooling fluid lines which protrude outwards radially from a central axis of the cooling fluid conducting device on a common circular surface. Each cooling fluid line has an inlet opening which is designed to be arranged so as to be flush with a paired bore of a rotor shaft, whereby a cooling fluid can flow from the rotor shaft into the respective cooling fluid line via the inlet opening. Each cooling fluid line has at least one outlet opening which is designed to be arranged so as to face a stator or a rotor of the electric machine and via which the cooling fluid can flow out of the respective cooling fluid line and from the cooling fluid conducting device to the stator and/or the rotor.

Abstract: A motor stator, a motor, and a vehicular compressor. The motor stator includes a stator core; a first insulated end plate and a second insulated end plate mounted at opposite end surfaces of the stator core; a wire wrapping around the stator core and the first and second insulated end plates, the wire having a conducting core and an insulated outer sheath; and a wiring board mounted to an axial outer side of the first insulated end plate. The first insulated end plate includes a plurality of insulated treatment positions and the wiring board includes a plurality of casing portions through which the insulated treatment positions can be accessed for providing insulation material.