Abstract: A stator for an electric machine is specified in which electrical conductors of a stator winding are arranged, layered only radially in a plurality of layers, in a stator slot. Two stator slots which are arranged next to one another are combined to form blocks (G) of one phase (U, V, W). In the blocks (G), positions occupied by the electrical conductors are described by column numbers S and layer numbers L which are defined by a start position and incremental values. Also specified are an electric machine having such a stator and a vehicle having such an electric machine.

Abstract: A grounding brush assembly includes a grounding brush including a support and a plurality of conductive fibers disposed within the support, and a brush mounting plate which is secured to the support of the brush. The mounting plate includes a radial portion and at least one centering portion extending at least axially from the radial portion, which is offset radially outwardly with respect to the support and has an outer surface defining the outside diameter of the mounting plate. The mounting plate further includes at least one connecting portion connecting the radial portion to the centering portion and provided with at least one oblique part extending obliquely outwardly from the radial portion and on a side opposite to the support.

Abstract: A grounding brush assembly includes a grounding brush including a support and a plurality of conductive fibers disposed within the support, and a brush mounting plate secured to the support of the brush. The mounting plate includes a radial portion and at least one centering portion extending at least axially from the radial portion, which is offset radially outwardly with respect to the support and has an outer surface defining the outside diameter of the mounting plate. The mounting plate includes at least one spacer tongue protruding from the radial portion on the side opposite the support.

Abstract: A motor comprises: a body; a busbar coupled to the body; and a heat transfer member disposed on the body, wherein the body includes a first open area for exposing the busbar in the axial direction, and a second open area, the second open area includes a first unit open area and a second unit open area, and the heat transfer member is in contact with the busbar in the first open area and is disposed between the first unit open area and the second unit open area.

Abstract: In order to be able to modify earthing concepts as quickly, flexibly and easily as possible, the earth connection of the shielding housings (20, 20?) of a connector module is produced by contact springs (3) that can be clipped onto and removed from the short side of the module's insulating body (1, 1?) from the exterior.

Abstract: A grounding brush assembly includes a grounding brush, which is provided with a plurality of conductive fibers and with a support inside of which the conductive fibers are mounted, and a brush mounting plate which is secured to the support of the brush. The mounting plate includes a radial portion and at least one centering portion extending at least axially from the radial portion, which is offset radially outwardly with respect to the support and has an outer surface defining the outside diameter of the mounting plate. The mounting plate further includes at least one spacer portion extending obliquely inwardly from the centering portion and on the side opposite the radial portion.

Abstract: A terminator device is configured to electrically connect a shield of a shield cable connected to a motor drive to an electrically conductive motor housing of an electric motor. The terminator device includes: an electrically conductive housing; a shield connector configured to electrically connect (a) the shield of the shielded cable that is connected to the motor drive to (b) the electrically conductive housing; a housing conductor that is electrically conductive and that includes: a first end that is directly connected to the electrically conductive housing; and a second end configured to be directly connected to the electrically conductive motor housing of the electric motor.

Abstract: A motor comprises: a stator core; an insulator coupled to the stator core; a coil wound around an outer surface of the insulator; and a terminal coupled to the insulator, wherein the terminal includes a coil coupling portion to which both ends of the coil are coupled, and the insulator includes a protruding portion which protrudes further upward compared to other regions and supports any one of both ends of the coil.

Abstract: An arrangement for guiding electrical connections through an opening of a housing for a device for driving a compressor, having a connection arrangement with at least one holding element and at least one electrically conductive connection element, is based on the object of indicating a solution which enables a simple and secure guiding of electrical connections through a housing, wherein the effort for the production and the assembly and the costs connected thereto are to be minimized and at the same time, the preciseness during assembly and thus the quality are to be improved. This object is achieved in that the holding element has one positioning means each on two opposite sides.

Abstract: An installation method for a rotating electrical machine includes a placement step of placing a leg portion, which has a first surface formed with a first groove portion, on a support member, which has a second surface formed with a second groove portion, a length adjustment step of shortening at least either of a pair of projecting portions of a key member, which includes a narrow portion and a wide portion with a pair of projecting portions projecting to both sides in a width direction from the narrow portion, to be fitted into a wide groove portion having a larger groove width of the first groove portion or the second groove portion, after the placement step, and a fitting step of fitting the key member into a key groove formed by the first groove portion and the second groove portion, after the length adjustment step.

Abstract: Disclosed in an embodiment is a motor comprising: a housing; a cover disposed at the top of the housing; a stator disposed inside the housing; a rotor disposed inside the stator; a shaft coupled to the rotor; and a connector disposed at the upper portion of the cover, wherein the connector includes a connector body, and a shield terminal disposed at the connector body, the cover is made from a metal material, the shield terminal includes: a plate part; a support part extending from one side of the plate part; an inclined part extended to be inclined from the end portion of the support part; and a first protrusion and a second protrusion, which protrude from the end portion of the inclined part while being spaced from each other, and the first protrusion and the second protrusion are in contact with the cover.

Abstract: The disclosure relates to an electric machine comprising a stator and a conductor support arranged at an axial end of the stator, wherein the conductor support comprises a ring-shaped sealing section and a ring-shaped or ring-segment-shaped conductor support section, wherein the sealing section has a first seal axially facing the stator and a second seal axially facing away from the stator, wherein the first seal is in contact with a sealing element arranged on the stator and sealing the stator against a radially adjacent air gap, and at least sections of the second seal are in contact with at least one cover at least partially surrounding the conductor support section and/or the axial end of the stator.

Abstract: In a motor of the pump device, a substrate includes a first terminal-soldered part to which a winding-wire terminal is connected and a second terminal-soldered part to which a connector terminal is connected. The substrate is fixed to the housing at two positions with a first fixing part and a second fixing part. When the distance between a first electric element, which is a maximum mass element having the largest mass on the substrate, and the second fixing part, which is a proximal fixing part closest to the first electric element among the two fixing parts, is taken as a first distance, and the distance between the proximal fixing part and a proximal soldering part closest to the proximal fixing part among multiple first terminal-soldered parts and multiple second terminal-soldered parts is taken as a second distance, the first distance is smaller than the second distance.

Abstract: A Brushless Direct-Current (BLDC) motor is provided for a power tool, including a stator comprising a set of coils, a rotor configured to rotate with respect to the stator, power supply lines, terminals secured to the stator outer surface of the stator, and a Hall circuit board. The terminals extend axially on the outer surface of the stator. A radial member is oriented radially adjacent a second side of stator proximate an axial end of the of coils, the radial member including a through-hole through which the rotor shaft extends, and discrete conductive routings electrically coupled to the coils and making electric contact with the coils at at least three distinct contact points to electrically connect the coils in a delta configuration.

Abstract: A motor comprises: a body; a busbar coupled to the body; and a heat transfer member disposed on the body, wherein the body includes a first open area for exposing the busbar in the axial direction, and a second open area, the second open area includes a first unit open area and a second unit open area, and the heat transfer member is in contact with the busbar in the first open area and is disposed between the first unit open area and the second unit open area.

Abstract: A stator assembly for an electric motor includes a stator carrier that extends along an axis between a first side and a second side and defines an opening. A tab is located on one of the first side or the second side, the tab defines a first connection aperture. A plurality of windings are located in the opening and at least one bus bar is in conductive communication with the plurality of windings. A bus bar carrier includes a body that supports the at least one bus bar. The body includes a projection extending towards the tab that defines a second connection aperture. A connector extends through the first and second connection apertures to attach the projection to the tab. The connector is selected from a group comprising a rivet, a bolt, or a welded plastic piece.

Abstract: A drive device disclosed herein may include: a motor casing housing the electric motor; a gear connected to the electric motor; a gear casing housing the gear; an inverter electrically connected to the electric motor; an inverter casing housing the inverter; and a relay box including at least one relay and having a relay circuit configured to connect a charging inlet of the vehicle to a neutral point of the electric motor and to the inverter. The motor casing, the gear casing, and the inverter casing may be arranged in this order along an axial direction extending parallel to a rotation axis of the electric motor. The relay box may be mounted at least to the gear casing in a first direction intersecting the rotation axis of the electric motor.

Abstract: A rotary electric machine includes a control board, a motor which is driven by the control board, a motor frame which accommodates the motor, a cover which covers the control board together with the motor frame, and a heat sink which is fixed to the motor frame. The motor frame, the cover, and the heat sink are made of metal, at least three claw portions are provided on the motor frame or the heat sink, at least three press-fitting surfaces are provided on an inner surface of the cover, each of which the three claw portions are each press-fitted to and come into contact with, the three claw portions are disposed to have the same radius centered on an output shaft of the motor, and an angle between two claw portions adjacent to each other in a circumferential direction is smaller than 180 degrees.

Abstract: A terminal connection structure of a motor casing configured to house an AC motor of a plurality of phases, the terminal connection structure includes a plurality of terminal blocks located side by side to each other along a circumferential direction of the motor casing and including a plurality of terminal surfaces facing away from the motor casing, and a plurality of terminals that penetrate the terminal blocks and are configured to be electrically connected to the phases of the AC motor. A portion of each of the terminals is located on the terminal surfaces. At least one terminal surface is offset in a perpendicular direction from a plane aligned with another terminal surface of the plurality of terminal surfaces.

Abstract: A drive includes an electric motor disposed in a housing and driving a motor shaft, a Hall effect sensor adjacent to the motor, a power and control assembly, and a pinion gear driven by the motor shaft. A planetary gear reduction assembly is driven by the pinion gear, and an output axle has an axis of rotation that is offset from and parallel to the motor shaft axis of rotation. The reduction drive is substantially bilaterally symmetrical about a plane passing through the motor shaft axis of rotation and the output axle axis of rotation. The power and control assembly comprises a control board oriented perpendicular to a power board and includes a heat dissipation apparatus that applies multi-point, localized, indirect pressure to a plurality of field effect transistors mounted on the power board.

Abstract: An electric motor includes a rotor and a stator that includes a plurality of coils arrayed along a rotational axis of the rotor. The rotor is potted with potting compound. The stator is potted with potting compound. Each coil of the stator is electrically connected to a power source to receive operating power from the power source. The coils are powered to cause the stator to electromagnetically drive rotation of the rotor on the rotational axis.

Abstract: Motors for use in downhole systems such as electric submersible pumps. In one embodiment, an ESP system includes a pump and a motor which drives the pump. The motor has an elongated cylindrical stator and a rotor which is concentrically positioned within a bore through the stator. The rotor is driven by the stator to rotate within the bore. The stator comprises a plurality of separable, interconnected modular stator sections which may be identical. Between each pair of adjacent stator sections, a corresponding interconnect electrically connects coils of magnet wire in the stator sections to a power source. In some cases, the interconnect between stator sections electrically connects the coils of magnet wire serially in the adjacent stator sections. In other embodiments, the coils in adjacent stator sections are connected in parallel the power source.

Abstract: A drive unit includes: (a) a rotary electric machine; (b) an electric-power control device configured to control driving of the rotary electric machine; (c) a casing that houses the electric-power control device; (d) a terminal block fixed to the casing, and provided with a plurality of connection lines to which an output of the electric-power control device is to be supplied; and (e) a split-type ferrite core assembly including an annular ferrite core surrounding the plurality of connection lines by extending in a circumferential direction around a direction in which the plurality of connection lines extend. The terminal block and the ferrite core assembly are fastened together to the casing by a fastener.

Abstract: A seal member includes a plurality of seal holes in an intimate contact state, a plurality of first insertion holes that are open to one seal facing surface facing the housing member, and are arranged around the seal holes, and a plurality of second insertion holes that are open to the one seal facing surface, and are arranged at four corners of an outer periphery of a portion having the first insertion holes and the seal holes. The housing member includes a plurality of first protrusions that protrude from the other housing facing surface facing the seal member and are arranged to be respectively insertable into the first insertion holes, and a plurality of second protrusions that protrude from the other housing facing surface, have a protrusion length larger than that of the first protrusions, and are arranged to be respectively insertable into the second insertion holes.

Abstract: A high-voltage terminal for a stator, including: —three bus bars for electrically connecting the HV terminal to power electronics; and —a star bar; wherein each of the three bus bars has a current input element and at least n parallel current output elements, and the star bar has at least 3n current input elements, n being greater than or equal to 4, and wherein, within the HV terminal, the bars are stacked one on top of the other to form a bar stack and are arranged such that they are electrically insulated from one another by at least one plastics element, more particularly are electrically insulated from one another in a plastics element, and preferably are embedded therein.

Abstract: An electric fan drive for a motor vehicle has an electric motor with a rotary field winding that includes a number of phase ends, and also has a motor carrier, arranged on an end face of the electric motor, for fastening and mounting on an installation point. A connection cable with a number of phase lines is provided for electrically conductively coupling the phase ends to a power supply. The motor carrier has axial feedthrough openings, through which the phase ends of the electric motor are guided, the phase lines each having a contact element at a line end facing the phase ends. Each contact element electrically conductively connects the corresponding phase end to the corresponding phase line. A connection housing for receiving the line ends, the phase ends and the contact elements is fastened to the motor carrier.

Abstract: An electric compressor including a motor configured to generate power, a compression mechanism configured to compress a refrigerant by receiving power from the motor, an inverter configured to control the motor, a connector connected to an external device, a power line extending from the connector to the inverter to transmit electric power, which is supplied from the external device, to the inverter, and an interlock line extending from the connector to the inverter to transmit a signal to the inverter when the connector is separated from the external device, in which the power line and the interlock line are formed in different ways, thereby preventing insulation breakdown between the power line and the interlock line, easily assembling the power line and the inverter, and easily assembling the interlock line and the inverter.

Abstract: In a stator assembly configured to respond to a voltage difference between coils in the same slot in a coil winding part, the coil for each phase includes a first half-coil winding and a second half-coil winding formed by connecting hairpins in series between an outermost layer and an innermost layer in the radial direction of a stator core. A coil end portion disposed in the outermost layer in the radial direction of the stator core in one of the first half-coil winding and the second half-coil winding and a coil end portion disposed in the innermost layer in the radial direction of the stator core in the other one of the first half-coil winding and the second half-coil winding are connected in series by a conductive member.

Abstract: An electric motor includes a stator assembly. The stator assembly includes a stator body and a generally toroidal stator ring. The stator body includes a core and a plurality of electrically conductive wires wound about the core. Each of the electrically conductive wires includes a first wire end projecting from the stator body at a predetermined first wire end location. The stator ring defines a plurality of arcuately spaced apart first terminal pockets, each configured to receive a wire-connecting terminal. The stator ring is oriented relative to the stator body such that the first terminal pockets are disposed in predetermined first terminal pocket positions correlating to the predetermined first wire end locations. Each of the first wire ends extends into a respective one of the first terminal pockets.

Abstract: According to an embodiment, it is a bus bar system comprising, plurality of bus bar members, plurality of spacer members, plurality of pin members; and plurality of locking elements, each of the bus bar members are arranged to form an arc shape and connectable to an individual winding of a stator assembly and are stacked, wherein at least a spacer member is arranged between two individual bus bar members, each bus bar member comprises at least one aperture extending in a transverse direction of the bus bar member, each of the spacer members are arranged substantially cylindrically and comprising a through-hole extending in an axial direction of the spacer member, each pin member is inserted through the apertures of the bus bar members and the through-holes of the spacer members, and fixedly held in position via the locking elements attached to an end of the pin member.

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 pump unit (2, 2A) is connected to a reservoir tank (T1) where liquid hydrogen and hydrogen gas generated by vaporization of the liquid hydrogen are stored and transfers the liquid hydrogen. The pump unit includes a rotation shaft (31), a motor (M) causing the shaft to rotate, an impeller (41) mounted on a front end (31a) of the shaft, a housing (30, 40) including a motor chamber (36) where the motor is accommodated and a pump chamber (43) where the impeller is accommodated, and a mechanical seal (42) mounted on the shaft and the housing and configured to seal the motor chamber with respect to the pump chamber. The motor includes a rotor (34) mounted on the shaft and a stator (35) that directly faces the rotor in a radial direction of the shaft and causes the rotor to rotate. The hydrogen gas is introduced into the motor chamber.

Abstract: A rotating electrical machine wiring component is configured to be connected to an armature winding of a rotating electrical machine and includes a conductor wire comprising a conductive metal, and an insulation covering a portion of the conductor wire, wherein the conductor wire comprises a flat plate-shaped connecting portion located at one end and connected to the armature winding, and a bent portion bent by a bending process in a vicinity of the connecting portion, wherein the conductor wire is not covered with the insulation at the connecting portion and the bent portion, and wherein a cross-sectional shape of the conductor wire in a cross-section perpendicular to an extending direction of the conductor wire is rectangular at the connecting portion and circular at the bent portion.

Abstract: The present invention relates to a high-voltage terminal (1) for a stator of an electric machine, having multiple first interconnection elements (2) that are designed to establish electrical contact between contact pins of a stator winding and contact connections of power electronics so as to drive the electric machine, a second interconnection element (3) that is designed to establish electrical contact between contact pins of a stator winding so as to create a star phase, and a receiving element (4) that centres and fixes the second interconnection element (3) in a form-fitting manner. The invention furthermore relates to an electric machine comprising a high-voltage terminal according to the invention.

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 motor comprises: a base; a first bus bar coupled to the base and comprising a first body and a first coupling portion extending from the first body; a second bus bar disposed outside the first bus bar and comprising a second body and a second coupling portion extending from the second body; and a third bus bar disposed outside the second bus bar and comprising a third body and a third coupling portion extending from the third body, wherein the first coupling portion does not overlap the second body and the third body in the axial direction, and the second coupling portion does not overlap the third body in the axial direction.

Abstract: A method for welding at least three cables, each with two conductors protruding from the sheath ends of the cables includes stripping ends of the first conductors and stacking from opposite directions atop one another forming a first stack. The stripped ends of the second conductors are stacked atop one another from opposite directions at a working distance from the first stack forming a second stack. The first stack is arranged in a welding area of a welding device and welded to a first welding point, while the second stack is arranged in a waiting area spaced by the working distance from the welding area. The first welding point is moved by the working distance from the welding area to a storage area, while the second stack is moved by the working distance from the waiting area into the welding area and is welded to a second welding point.

Abstract: This disclosure provides a motor. The motor includes a housing and a lid molded by pressing. The lid includes a first wall portion extending along an axial direction. One side in the axial direction of the first wall portion is tightly fitted or loose-fitted to the housing, and the other side in the axial direction of the first wall portion is connected to an external device. This structure facilitates coaxial alignment and connection between the housing and the lid and reduces costs.

Abstract: An example stator includes a stator body that is generally cylindrical; and a plurality of posts that protrude axially from the stator body and are arranged in a circular array about a perimeter of the stator body. Each post of the plurality of posts may include: a first slot, a second slot that is disposed radially-outward from the first slot, and a partition wall that separates the first slot from the second slot. Respective first slots are aligned circularly to form an inward circular channel about an outer peripheral surface of the stator body, and respective second slots are aligned circularly to form an outward circular channel about the outer peripheral surface of the stator body, wherein the outward circular channel is insulated from the inward circular channel via respective partition walls of the plurality of posts.

Abstract: A motor includes a rotor and a stator having a tubular stator core, first and second electrical insulators arranged on first and second axial ends of the stator care and a stator winding. Each of the first and second electrical insulators includes an outer wall part, inner wall parts and body parts. The stator winding includes first, second and third phase stator windings and each of the windings has winding parts respectively wound around teeth of the stator core, a first lead part and a second lead part. Each of the first lead parts is connected to a power supply, and each of the second lead parts is connected in common to a neutral point part. The outer wall part of the first electrical insulator assembly includes a first movement restriction part that restricts movement of the neutral point part.

Abstract: An electric motor control device includes an electric motor and a controller, and has a mechanical part and electric motor terminals that supply electric power to the mechanical part. The controller that controls a drive of the electric motor has: a unit case, a substrate located between the electric motor and the unit case, wherein the substrate has an electric circuit, a connector that receives electrical power and an input signal from an outside of the electric motor control device, relay components that have relay terminals that connect the electric motor terminals and the electric circuit, and that transmit an electrical connection between the electric motor and the substrate. The unit case fixes the substrate, the connector, and the relay components. The motor terminals extend towards the controller. The motor terminals are connected to the relay terminals of the relay components which are electrically connected to the electric circuit.

Abstract: An electric drive assembly system, a vehicle and a method for assembling an electric drive assembly system. The electric drive assembly system includes a housing including a main body and a cover. Disposed in the housing is an electric machine including a rotor shaft and a gearbox assembly which includes a gear input shaft connected to the rotor shaft and disposed coaxially therewith, to receive torque from the electric machine. An electric machine control module is configured to control the electric machine, and superposed with the electric machine and/or the gearbox assembly in a direction transverse to the gear input shaft. An electrical connection assembly, configured to electrically connect the electric machine control module to a stator of the electric machine.

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 compressor including a housing, a compression unit disposed within the housing, a motor unit housed within the housing, and an inverter unit coupled to one side of the housing to control the motor unit, wherein the inverter unit includes an inverter body coupled to one side of the housing, an inverter cover attached to a facing side of the inverter body, and a sealing member integrally formed on one side and the other side of the inverter body, wherein the electric compressor forms the sealing member simultaneously with the formation of the inverter body, eliminating the need for workers to install gaskets for sealing, thereby improving assembly between the housing and the inverter unit while maintaining sealing stability.

Abstract: A stator includes: an annular stator core having tooth portions; an insulator made of an electrically-insulative resin material and covering predetermined parts of the stator core; windings wound on the tooth portions with the insulator interposed therebetween; and terminals made of an electrically-conductive metal plate and connected with end portions of the corresponding windings. The stator is connected to an electrical connection target via the terminals. Each of the terminals has a connection terminal portion axially extending so as to be connected to the connection target, a winding connection portion connected with the end portions of the corresponding windings, and an extension portion extending between the connection terminal portion and the winding connection portion in a circumferential direction. Each of the terminals is supported, with part of the extension portion thereof abutting against a supporting portion of the insulator at a plurality of positions, so as to maintain its posture.

Abstract: A drivetrain assembly for an electric vehicle is provided that includes a housing, a rotor shaft of an electric motor rotatable about a center axis, and a bearing rotatably supporting the rotor shaft with respect to the housing. The bearing includes a first race on the housing and a second race on the rotor shaft. The drivetrain assembly includes an electrically conductive shunt washer configured for creating an electrical path from the housing to the second race. The electrically conductive shunt washer includes a material including electrically conductive fibers.

Abstract: A connection structure of the present disclosure includes a housing that houses an inverter that controls a rotary electric machine, a first connector provided in the housing and to which a first cable connected to a battery is connected, a second connector provided in the housing and to which a second cable connected to a device that supplies electric power is connected, a first path that electrically connects the first connector and the inverter, and a second path that electrically connects the first path and the second connector.

Abstract: A wiring ring for a stator of an electric machine, including a housing having a plurality of slot-like recesses and a plurality of in particular annular or annular segment-like busbars which are arranged in the slot-like recesses. The busbars are designed to establish an electrical contact between the winding wire ends of the stator windings and the contact connections of a power electronics unit for controlling the electric machine. At least one of the bus bars contact to the contact connections of the power electronics unit is implemented via a busbar connection region by means of a screw connection. According to the disclosure, the screw connection has a nut which can be arranged loosely in a receptacle space of a receptacle underneath a through-hole in the busbar connection region.

Abstract: A coil wire module for a rotating electric machine, the core wire module including: a plurality of coil wires that are configured to be provided in a core of the rotating electric machine; and a hardened solder, wherein: the plurality of coil wires each have a connection end that is configured to be exposed from an end of the core, and the hardened solder is formed by a solder melting inside a solder hardening space, in a state where at least two of the connection ends of the plurality of coil wires are inserted into the solder hardening space, and hardening to join the at least two of the connection ends together.

Abstract: A substrate includes a first fixing section and a second fixing section. On the first fixing section, a first terminal of a pair of plate-shaped terminals protruding from a motor is fixed. On the second fixing section, a second terminal of the pair of terminals is fixed. The first fixing section includes a first hole and a second hole. The first hole extends in a second direction, intersecting a first direction extending from the first terminal toward the second terminal. The second hole extends in the second direction, and is located adjacent to the first hole, on an opposite side of the second terminal with respect to the first hole, in the first direction. The first terminal is inserted through one of the first hole and the second hole.