Abstract: A rotary actuator includes: an electric motor; a control unit, which is configured to control an operation of the electric motor; a case, which is made of resin and receives the electric motor; and a circuit-board fixture. The circuit-board fixture includes an insertion portion, which is embedded at an upper case segment of the case, and a fixation portion, which is made of metal and fixes a circuit board of the control unit.

Abstract: A rotating electric machine drive unit includes a first rotating electric machine; a second rotating electric machine; a rotating electric machine housing having a rotating electric machine accommodation portion; a power control unit having a power conversion unit which controls at least one of the first rotating electric machine and the second rotating electric machine; and a connecting member which electrically connects at least one of the first rotating electric machine and the second rotating electric machine to the power conversion unit of the power control unit. When viewed from a rotation axis direction of the first rotating electric machine and the second rotating electric machine, a part of the power control unit is disposed so as to overlap with at least one of the rotating electric machine housing and the first rotating electric machine in a radial direction of the first rotating electric machine.

Abstract: An electric drive device and an electric power steering device are provided that reduce the size of a motor in an axial direction parallel to a shaft and in a radial direction of the shaft. The electric drive device includes a bus bar module in which a connector, a first power supply terminal, a second power supply terminal, positive electrode bus bar wiring that electrically connects the connector to the first power supply terminal, and negative electrode bus bar wiring that electrically connects the connector to the second power supply terminal are integrally formed with the connector. The positive electrode bus bar wiring and the negative electrode bus bar wiring extend from the connector, bypass an extended line of the shaft, and are electrically connected to the circuit board in positions at distances from the connector larger than a distance from the connector to the extended line of the shaft.

Abstract: An electric machine includes a stator core and interconnected hairpins attached to the stator core and defining a path. A pair of the interconnected hairpins have first and second ends, respectively, and are circumferentially spaced apart from each other. A jumper is interconnected between the first and second ends. The jumper has a body defining first and second holes that receive the first and second ends, respectively. The first hole is defined by a perimeter having opposing first and second walls and opposing third and fourth walls.

Abstract: An insulation inspection device for accurately inspecting films of wires for an insulation state in a short time before the wires are assembled into a core of an armature in a rotating electric machine, a power supply unit includes a first terminal and a second terminal. A support member supports a plurality of wires covered with films before the wires are assembled into a core of an armature in a rotating electric machine, and the support member is electrically connected to the first terminal. Areas of ends of a plurality of the wires from which areas the films are peeled off are installed on an installation base, and the installation base is electrically connected to the second terminal. A discharge detection unit detects discharge occurring between the support member and each of the wires when the power supply unit applies a voltage to the first terminal or the second terminal.

Abstract: A device, in particular to an electric motor, for driving a compressor of a gaseous fluid. The device comprises a rotor and a stator disposed such that they extend along a common longitudinal axis. The stator comprises connection leads developed as segments of conductor wires of coils. In a region of at least one end side, oriented in an axial direction, of the stator a cover element is disposed which is developed in the form of an axially oriented hollow cylinder with an inner surface and an outer surface. The cover element herein is with the inner surface in contact on an insulation element disposed on the stator and comprising a cylindrical wall. Between an outer side of the wall of insulation element and the inner surface of the cover element are disposed at least segments of the connection leads of the conductor wires.

Abstract: A motor includes a motor main body including a rotor and a stator, a controller, a housing, and a connector. The housing includes a lower housing that holds the motor main body, and an upper housing that holds the controller and the connector. The upper housing includes a connector holder that protrudes outward in the radial direction from an outer peripheral end of the lower housing. The connector holder includes a connector inserting portion into which the connector is inserted in the axial direction. The connector inserting portion includes a ridge portion, which protrudes outward in the radial direction from a straight line connecting both ends of an inner-peripheral-side wall surface in the circumferential direction, on the inner-peripheral-side wall surface facing, in the radial direction, a surface of the connector facing inward in the radial direction.

Abstract: A bus bar unit includes an inner bus bar and an outer bus bar extending in a circumferential direction about a central axis of a motor and connected to a coil of a stator and held by a bus bar holder which is a resin molded structure and the outer bus bar is disposed outward in a radial direction with respect to the inner bus bar. The bus bar holder includes a first inner support wall to support an outer circumferential surface of the inner bus bar, a first outer support wall to support an inner circumferential surface of the outer bus bar, openings open in parallel or substantially in parallel in at least one of the first inner support wall and the first outer support wall in the circumferential direction, and through which a lead wire of the coil passes, and a connection rib extending in the radial direction between the openings adjacent to each other in the circumferential direction to connect the first inner support wall to the first outer support wall.

Abstract: A power generating device comprises a magnetic core, an induction coil assembly, a first housing, a conductive plate, and a second housing. The induction coil assembly is coupled with the magnetic core, and the magnetic core and the induction assembly are configured in the accommodating space of the first housing. The conductive plate is attracted to the magnetic core. The second housing is configured above the conductive plate. When the second housing receives an external force along an extending direction of the magnetic core, a distance change between the conductive plate and the magnetic core causes a variation of magnetic flux. The induction coil assembly generates a current by sensing the magnetic flux variation.

Abstract: A motor includes a stator formed by stacking a plurality of core sheets. A plurality of stator windings are wound around a plurality of tooth portions of the stator. A rotor is freely rotatable on an inner peripheral side of the stator. A noise bypass line has one end connected to a core back portion of an outermost core sheet included in the stator and another end grounded to a ground (GND) of a power conversion circuit that drives the motor.

Abstract: A terminal frame of a stator frame comprises a body adapted to receive a terminal. The body of the terminal frame is also adapted to be mounted to a coil frame of the stator frame in a detachable manner.

Abstract: A bus-bar unit includes bus-bars and a bus-bar holder supporting the bus-bars. Each bus-bar includes first and second bus-bar pieces. The first bus-bar piece includes a coil wire connection portion connected to a coil wire drawn from the stator and a first joint terminal joined to the second bus-bar piece. The second bus-bar piece includes an external connection terminal connected to an external apparatus and a second joint terminal joined to the first bus-bar piece. At least a portion of the first bus-bar pieces is embedded in the bus-bar holder. The first joint terminal includes a joint surface which faces and is joined to the second joint terminal and an opposite surface facing a side opposite to the joint surface. The joint surface and the opposite surface of the first joint terminal are exposed from the bus-bar holder.

Abstract: A hybrid stepping motor has a connector housing formed integrally with an insulator having an upper insulator and a lower insulator. The hybrid stepping motor includes a stator core and output terminals concentrically disposed outside the stator core. A wiring pattern serving as the output terminals has connector pins and land portions disposed eccentrically with respect to one another. The land portions are formed on an outer edge side of the wiring pattern. A surface, which is an uppermost surface of the wiring pattern, is located below a lowermost surface, in which jumper wires and lead wires pass, of the lower insulator. The lead wires are pulled out from a lower side, and are pulled out to guiding grooves.

Abstract: An electric work machine includes a motor in which a wire is wound around each tooth of a stator in an aligned manner. The electric work machine includes a motor including a rotor and a stator. The stator includes a stator core having a first end face and a second end face, and having teeth protruding inwardly, a first insulator covering the first end face, a second insulator covering the second end face, a rib located on at least one of the first insulator or the second insulator, and overlapping the teeth in an axial direction of the teeth, and coils including a wire wound around the teeth via the first insulator and the second insulator and the rib.

Abstract: An electric water pump of which productivity, maintainability, and use convenience may be improved by simplifying a production process through a change in a structure, and a method of manufacturing the same. The electric water pump includes: a pump housing accepting a motor therein; an acceptor having a cylindrical shape of which one side is opened and formed at one side of the pump housing; a control substrate installed in the acceptor; an external terminal formed of a conductor and penetrating through the acceptor to electrically connect the control substrate to an external power supply; and an internal terminal formed of a conductor and penetrating through the pump housing and the acceptor to electrically connect the motor and the control substrate to each other.

Abstract: Embodiments of the present application relate to a power supply device, including a housing, a circuit board and a connecting assembly. The housing defines an accommodation space, and includes: a housing positioning component, a first opening, and a second opening. The housing positioning component is disposed in the accommodation space. The circuit board is disposed in the accommodation space, and includes: a circuit board positioning component, a power input port, and a power output port. The power input port is disposed corresponding to the first opening. The power output port is disposed corresponding to the second opening, and electrically connected to the power output port. The connecting assembly is configured to connect the housing positioning component and the circuit board positioning component, and position the circuit board in the accommodation space of the housing.

Abstract: A motor includes a rotor rotatable about a central axis, and a stator opposing the rotor in a radial direction. The stator includes a stator core including an annular core back and teeth extending in the radial direction from the core back, bobbins attachable to the teeth, respectively, in the radial direction, a coil wire wound around the bobbin, the bobbin including a cylindrical tube portion extending in the radial direction and a protruding piece that protrudes in the radial direction from an upper end, close to the core back, of the tube portion and is fixed to the core back, and an annular fixing member covering the core back and the protruding piece from an upper side.

Abstract: A floating bearing bush for bearing a printed circuit board includes a bearing ring and a soldering ring. The bearing ring includes a tubular opening for receiving a fastening bolt. The soldering ring surrounds the bearing ring and is configured to be soldered by a lower edge onto a printed circuit board. The lower edge of the soldering ring is provided by a continuous wall which is configured to keep a liquid potting compound away from the interior of the soldering ring. The bearing ring is movably suspended within the soldering ring, with the result that the bearing ring is movable at least in a radial direction with respect to the soldering ring.

Abstract: An interconnection device for a stator winding having connection conductors constructed as annular disks, coaxially stacked, and electrically insulated with respect to one another. Each connection conductor has fastening openings distributed in circumferential direction for fixing the interconnection device to a stator. The connection conductors are stacked such that the fastening openings are positioned to form a fastening passage The connection conductors are axially spaced apart from one another and are overmolded with a plastic to form a metal/plastic composite part. At least two kinds of fastening openings are provided, which form larger fastening openings and smaller fastening openings. A larger fastening opening and a smaller fastening opening are formed at a fastening passage, and an annular space, which extends from a boundary of the larger fastening opening to a boundary of the smaller fastening opening, is filled by the plastic.

Abstract: A rotating electrical machine includes a rotor; a stator having a core annularly arranged facing the outer peripheral surface of the rotor, a coil wound around the core and having a coil end formed protruding from an end surface in the axial direction of the core, and an insulator formed on the end surface in the axial direction of the core and insulating the core and the coil; a bus bar arranged on the outer peripheral side of the coil end of the stator; and a terminal block installed on the outer peripheral side of the bus bar for introducing an electric current from an external power source to the stator, and the insulator has a groove portion in which the bus bar is held, and a terminal block housing portion in which the terminal block is held.

Abstract: An electric machine includes a core with windings positioned on the core. The windings include in-slot portions, end turns, and leads. The in-slot portions are positioned in slots of the core. The end turns extend from the in-slot portions at ends of the core. The leads extend from the in-slot portions and axially past the end turns. A bus bar assembly is positioned radially inward from the end turns. The bus bar assembly includes an arc portion, a plurality of axial lead connectors, and a plurality of axial phase terminals. The arc portion is positioned axially within the end turns. The axial lead connectors extend axially past the end turns and are connected to the leads. The axial phase terminals also extend axially past the end turns.

Abstract: A motor includes a heat sink including a first portion and a second portion located on a circumference identical to the first portion and extending along a circumferential direction. An axial thickness of the first portion is larger than an axial thickness of the second portion. A lower surface of the second portion is located axially above a lower surface of the first portion. A busbar is located axially below the second portion.

Abstract: A motor may include a motor body having a rotor having a shaft, a stator, a first bearing, a second bearing, and a housing having an accommodating space; a connector disposed to the motor body; and a wiring member electrically connected to the motor body. The connector may have an exposed surface. The wiring member may include external connection terminals. The connector may include a through hole which extends from the exposed surface toward the accommodating space. A portion of the through hole may be positioned inside of the plurality of external connection terminals. The motor body may include a main body, a groove portion, a first sealing member between the main body and the housing, and a second sealing member in the groove portion. The through hole may be positioned between the first sealing member and second sealing member in the axial direction.

Abstract: An embodiment relates to a power terminal and a motor including the same, the power terminal comprising: a body; a pin portion extending upward from the body; a coupling portion formed at one end of the body and coupled to an end of a coil; a first protrusion protruding downward from the body; and a second protrusion protruding downward from the body, wherein the second protrusion is arranged to be spaced inward or outward form the body. As a result, the power terminal can improve the productivity through process simplification while satisfying a true position geometric tolerance.

Abstract: An electromagnetic machine includes a universal circuit board and a plurality of universal coils. The universal circuit board includes a first coil configuration imprint and a second coil configuration imprint. The plurality of universal coils each including a positive lead and a negative lead for electrical connection to one of the first and second coil configuration imprints.

Abstract: An electric machine includes a stator assembly and a bus bar assembly. The stator assembly includes a core with windings positioned on the core. The windings include in-slot portions, end turns, and leads. The leads extend from the in-slot portions at one of the ends of the core with ends of the leads extending axially past the end turns. The leads include a first plurality of leads positioned on a first side of the stator opposite a second plurality of leads positioned on a second side of the stator. The bus bar is substantially circular in shape and positioned radially inward from the end turns. The bus bar assembly includes three bus bars, each bus bar connecting at least one of the first plurality of leads to at least one of the second plurality of leads.

Abstract: A stator assembly of a hairpin winding motor, comprises a hairpin coil, which includes a first end including a pair of two ends of the hairpin coil arranged to be adjacent to each other in a radial direction, a second end including a pair of two ends of the hairpin coil arranged to be adjacent to each other outside the first end in the radial direction, and a third end including a pair of two ends of the hairpin coil arranged to be adjacent to each other outside the second end in the radial direction. Here, a plurality of such first to third ends are repetitively formed along a circumferential direction, and a fixing cap fixes a preset number of ends among the plurality of first to third ends repetitively formed along the circumferential direction.

Abstract: A device for use in generating electric power and braking, a kit and a brake unit of the same are provided. A brake body in the brake unit includes a plurality of brake blocks. The brake unit has an electromagnetic air gap which is adjustable and controllable in high precision. Therefore, the tolerance of the electromagnetic air gap between the brake unit and the wheel is made small, even without increasing the machining precision and costs of the brake unit, thereby enhancing resistance precision.

Abstract: A wire bonding device of a stator of a motor includes an insulating ring, a conductive wire, and a wire-bonding terminal. The insulating ring includes a bottom, an inner sidewall, and an outer sidewall. The inner sidewall is connected to an inner edge of the bottom. The outer sidewall is connected to an outer edge of the bottom. The conductive wire is accommodated in the insulating ring. The conductive wire is covered with an insulating cladding layer. The wire-bonding terminal includes a clamping portion, a protruding portion, and a wire-bonding segment. The clamping portion clamps the conductive wire. An end of the protruding portion is connected to the clamping portion. Another end of the protruding portion protrudes out of the insulating ring. An end of the wire-bonding segment is connected to said another end of the protruding portion.

Abstract: An electric motor is provided including: a stator assembly having a lamination stack defining poles and magnet wires wound on the poles, and a rotor rotatably arranged inside the stator assembly. A mount having a curved profile and made of non-conductive material is provided. Conductive terminals are mounted on and secured to a first surface of the mount, the conductive terminals being separated and insulated from each other via portions of the mount. A second surface of the mount opposite the first surface is mounted over to an outer surface of the lamination stack in contact therewith to align the plurality of conductive terminals longitudinally along the outer surface of the lamination stack.

Abstract: A motor includes a stator a rotor, and a guide member. The stator includes a stator core and multiphase coils wound on the stator core. The guide member is arranged on an end of the stator core located at one side in an axial direction to glide a terminal wire of the multiphase coils wound on the stator core. The guide member includes an outlet guide that draws the terminal wire out of the guide member toward a circuit board. The outlet guide includes insertion holes into which the terminal wire is inserted. The insertion holes each include an inlet located toward the stator core and an outlet. The inlet has a larger open area than the outlet.

Abstract: A motor includes a stationary portion, a rotating portion, and a bearing portion. The rotating portion includes a shaft that rotates about a central axis extending vertically. The stationary portion includes a bearing housing, a stator, and a circuit board. The circuit board is above the stator and includes an insertion hole that permits insertion of the bearing housing. The stator includes a stator core, an insulator, a coil, and a terminal pin. The terminal pin is connected to a conductive wire and connected to the circuit board via a solder portion covered with a coating layer. The insulator includes a base portion and a wall portion. The wall portion protrudes upward from the base portion, is radially outward of the bearing housing, and contacts a radially inner surface of the circuit board at the insertion hole.

Abstract: A stator of a rotary electric machine comprises a stator core, a coil; and a plurality of bus bars. When viewed from a rotational axis direction of the rotary electric machine, the first terminal parts of the plurality of bus bars are arranged next to one another substantially in an upper and lower direction on the outside of the stator core in the radial direction, and the second terminal parts of the plurality of bus bars are arranged next to one another substantially in a horizontal direction above the stator core, and a first terminal part arranged on an uppermost side among the first terminal parts of the plurality of bus bars is arranged to be positioned below an uppermost part of the stator core.

Abstract: An embodiment of the present invention relates to a cover assembly and a motor comprising same, the cover assembly comprising: a cover plate; a ground terminal disposed on the cover plate; and a capacitor connected to the ground terminal by means of a wire. The ground terminal comprises: a body unit; a ground unit bent from one area of the upper end of the body unit to a first direction; clip units extending from both sides of the body unit to a second direction which is opposite from the first direction; and a coupling unit extending from the lower part of the body unit. The wire is coupled to the clip units by means of insertion. Accordingly, the present invention enables the wire of the capacitor to be fixed in a temporarily assembled state and thus enables an automation process during assembly of the motor.

Abstract: A drive device includes a motor and a controller coaxially disposed with the motor for controlling the motor. The drive device further includes a cover for covering the controller with an opening, and a connector part separate from the cover for connecting to an external connector. The connector part includes connectors that extend and protrude longitudinally through the opening of the cover. The longitudinal axis of the mouth of each connector in the connector part is arranged and angled differently relative to the mouths of adjacent connectors so that the connectors are positioned within an axial silhouette of the motor.

Abstract: A contact ring for a stator of an electric motor has three planes, i.e. a first plane with at least one first conductor; a second plane made of an electrically insulating material; and a third plane with at least one second conductor, and at least one first and one second feedthrough passing through the second plane. The first feedthrough is smaller than the second feedthrough, and the first feedthrough guides coil wires of one coil and the second feedthrough guides coil wires of at least two coils.

Abstract: A motor includes a first bus bar including a first extension, a second extension, and a first bus bar body including a first corner to which the first extension and the second extension are connected. A holder includes a support to support the first bus bar body, a pair of first walls, and a pair of second walls. The pair of first walls include wall surfaces that face each other in the first perpendicular direction and are spaced by a gap from each other, and extend in the first direction. The pair of second walls include wall surfaces that face each other in the second perpendicular direction and are spaced by a gap from each other, and extend in the second direction. A first space is provided between the pair of first walls and the pair of second walls. The first corner is provided in the first space.

Abstract: A rotating electrical machine unit includes: a rotating electrical machine; a resolver which includes a resolver rotor and a resolver stator; and a case which accommodates the rotating electrical machine and the resolver. The resolver stator includes: a stator portion; a telegraph connector portion; and a first positioning portion including a knock portion protruding to one side. The telegraph connector portion includes a second positioning portion having a fitting portion having a sealing member on an outer peripheral surface. The resolver stator is attached to the case by being positioned with the knock portion of the first positioning portion being fixed to a knock fixing portion of the case and the fitting portion of the second positioning portion being fitted into a mounting hole of the case.

Abstract: A motor assembly is provided, which includes a motor having a stator and a rotor rotatable relative to the stator, and a filter unit mounted to an outside of the motor. The filter unit includes an insulating housing and at least one filter element arranged in the housing and electrically connected to the motor.

Abstract: A circuit assembly includes a substrate having a conductive path, electronic components mounted on the substrate, and a terminal block that is in contact with the substrate, in which the terminal block includes a terminal portion that is connectable to a counterpart terminal, a terminal holding portion for holding the terminal portion, and support portions for supporting the terminal holding portion, and the electronic components are disposed between the terminal holding portion and the substrate.

Abstract: The present invention provides for an electronic isolator device such as a universal isolator and having isolation and possible safety functionality and comprising an isolator module (550), and a base module (500), and wherein the isolator module is arranged for removable physical/electrical connection to the base module and in at least two orientations/positions relative to the base module, wherein electrical connection to the base module in each of the at least two orientations/positions serves to configure the type/functionality of the isolator device.

Abstract: The invention relates to a connection unit (20; 20a) for a wiper motor (100) for windshield wiper systems, with a plug connector element (22) for the reception of electric connection lines (24), which are formed for the at least indirect contacting of a commutator (6) of an electric motor (1), and with a carrier element (26; 26a) in which connection elements (40) for contacting the commutator (6) and/or at least one component of an electric circuit are arranged.

Abstract: A motor includes a bearing holder and a first bearing. The bearing holder is fixed to a casing. The first bearing is interposed between the bearing holder and a shaft. The bearing holder includes a holder main body made of a resin and a ring made of a metal. The holder main body includes, around the central axis, a first arcuate portion including one or a plurality of through-holes passing therethrough in an axial direction and a second arcuate portion that does not include a through-hole. The first arcuate portion occupies a range of about ? or more of a total circumference of the holder main body in a circumferential direction. An outer ring of the first bearing is held by the ring.

Abstract: The shaft for a rotating electrical machine comprises at least one housing element (8a, 8b, 8c) extending in an axial direction (A) and emerging outwards in a radial direction, with one side of the housing element emerging outwards in an axial direction, and with the housing being able to accommodate at least one insulated electrical conductor (6) and a spacer (9a, 9b, 9c).

Abstract: The invention relates to an electrical machine (10), in particular an electronically commutated EC motor, and to methods for producing an electrical machine (10) of this type having a pole pot (15), in which a stator (16) and a rotor (18) are received, and a plug housing (33) with an integrated connector plug (37) is arranged axially on the open side of the pole pot (15), wherein a rotor shaft (20) of the rotor (18) protrudes with a free end (80) axially out of the pole pot (15) into the plug housing (33), and a magnetic signal generator (75) for rotational position detection is arranged at the free end (80), which magnetic signal generator (75) interacts with a magnetic field sensor (77) which lies axially opposite it, wherein the magnetic field sensor (77) is configured as a wired single-part component and is fastened directly to the inner side (29) of the plug housing (33) without the use of a printed circuit board.

Abstract: A device comprises a rotor magnetically coupled to a stator, a plurality of slots for accommodating a plurality of conductors, wherein the plurality of slots is evenly spaced, and each slot is configured to accommodate at least one conductor of the plurality of conductors, and wherein each conductor has a first end and a second end, and wherein the second end is configured to be coupled to a power converter and a plurality of connection apparatuses connected to first ends of the plurality of conductors.

Abstract: A reconfigurable connector having a first set of electrical contacts and a second set of electrical contacts each configured to be electrically connected to electronic elements. The reconfigurable connector further includes a network access device configured to receive a signal from a remote device and an internal switch coupled to the network access device and configured to reconfigure pairing of the first set of electrical contacts and the second set of electrical contacts based on the signal received by the network access device.

Abstract: A bus bar unit includes a bus bar holder provided on one side in an axial direction of a stator disposed in an annular shape around a central axis extending in a vertical direction, a bus bar extending along a plane perpendicular to the axial direction and fixed to the bus bar holder, and an external connection terminal connected to the bus bar and extending upward from the bus bar. The bus bar includes a wire and a terminal connector located on one end thereof and connected to the external connection terminal, and a lead wire connector located on the other end thereof and connected to a lead wire extending from the stator. The lead wire connector is U-shaped or substantially U-shaped. The lead wire connector includes a first end located on the external connection terminal side and a second end located on the opposite side of the first end. The second end includes an extension extending in a direction away from an opening of the lead wire connector.

Abstract: A stator and a motor including the motor are disclosed. The stator includes a number of windings and a number of guiding portions. The windings are formed by winding a single conductive wire under the guide of the guiding portions. The windings are divided into multiple groups, and the windings in each group are short-circuit connected with each other.

Abstract: An electric motor includes a housing including a circumferential housing wall centered around a central axis, an annular stator fixedly mounted inside of the housing and including coils to generate a time-varying magnetic field, a busbar unit including a busbar holder and at least one busbar to electrically connect at least one coil of the stator to a power source to energize the at least one coil, and a rotor rotatably mounted inside of the housing to be rotated by an interaction with the magnetic field generated by the stator. The housing wall may include a housing wall engagement structure at an inner surface thereof engaged or configured to be engaged with a busbar unit engagement structure provided on the busbar unit. The housing wall engagement structure may include at least one protrusion defined by a portion of the housing wall dented into the interior of the housing.