Abstract: A stator for an electric machine having a winding and a connection ring which can be placed axially on the winding and is intended for connecting the winding of the stator. The connection ring has a ring-shaped or ring-segment-shaped plastics body with at least three conductors which are each associated with a phase and are interconnected, and the ends of at least some of the conductors protrude axially beyond the winding. The connection ring has a connector terminal which can be interlockingly connected to the ring and which has at least three electrical connector portions. When the connection ring and the connector terminal are joined together, each contact a conductor of the connection ring that is associated with a phase and each electrically conductively connect to a connector of the connector terminal by the connection ring and the connector terminal having interlocking structure which define a defined position of the connection ring and the connector terminal relative to one another.

Abstract: An electrostatic machine includes a drive electrode and a stator electrode. The drive electrode and the stator electrode are separated by a gap and form a capacitor. The drive electrode is configured to move with respect to the stator electrode. The electrostatic machine further includes a housing configured to enclose the drive electrode and the stator electrode. The stator electrode is fixed to the housing. The electrostatic machine also includes a dielectric fluid that fills a void defined by the housing, the drive electrode, and the stator electrode. The dielectric fluid includes an ester.

Abstract: Cover-side terminals of a motor cover are electrically press-fitted over and fixed to motor terminals of a motor case at a first position which is separate from a base portion by a first length in an extending direction of the motor terminals. A fixing portion of the motor cover is press-fitted over and fixed to a protruding portion at a second position which is separate from the base portion by a second length which is different from the first length in the extending direction of the motor terminals.

Abstract: Disclosed is a generator magnet configuration that may be used in connection with energy harvesting technologies. In some embodiments, an electrical generator may include a generator magnet positioned within a coil wire such that the generator magnet's magnetic field is normal to the coil. The generator magnet may be actuated from a first, substantially vertical orientation to a second, substantially horizontal orientation. The generator magnet may rotate from the substantially horizontal orientation to the substantially vertical orientation when the actuation is released, such that the magnetic field of the generator magnet induces a voltage across the coil. In some embodiments, the generator magnet may form a stacked configuration on top of a stationary magnet.

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: In a magnetic core including a laminated core in which multiple core thin strips are laminated, the magnetic core includes a cutting mark region formed by cutting tie sticks 212, connected to the core thin strips 511, in a lamination direction of the core thin strips 511, and the cutting mark region 51C is positioned on an inner side than outer peripheries of the core thin strips 511. The core thin strip 511 may include a portion made of a nanocrystal-containing alloy material that is obtained by nano-crystallizing an amorphous alloy material with heat treatment.

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 telescopic motor is provided, including a housing assembly, a stator assembly, at least one guide member, and a telescopic rotor assembly. The stator assembly includes a core structure, the core structure is limitably fixed in the housing assembly, the core structure includes core bodies and a coil bobbin structure, the core bodies are circumferentially connected in sequence, the coil bobbin structure passes through the core structure, and a coil is externally wound on the coil bobbin structure. The at least one guide member is fixed on the core structure. The telescopic rotor assembly is slidably disposed on the at least one guide member and movably penetrates through the stator assembly and the housing assembly in sequence. The stator assembly drives the telescopic rotor assembly to linearly reciprocate under a guiding action of the at least one guide member.

Abstract: Systems are provided for an electric motor. In one example, a rotor assembly of the electric motor includes a shaft, a lubricant distributor inserted into the shaft, the lubricant distributor comprising a first section comprising a plurality of first nozzles and a second section comprising a plurality of second nozzles, the lubricant distributor further comprising an overflow portion arranged between the first and second sections, and a stationary lance positioned adjacent to the first section of the lubricant distributor, the lance comprising a plurality of radial nozzles. The rotor assembly controls coolant flow towards the rotor and bearings, helping to decrease drag losses.

Abstract: A driving device including a stator; a rotor including a rotor frame and provided to be rotatable about a rotational axis of a clothing treatment device through interaction with the stator; and a clutch including a movable member configured to slide along the rotational axis to be selectively coupled to the rotor according to an operation mode of the clothing treatment device. The rotor frame may include a plurality of holes, and a plurality of coupling protrusions protruding toward the clutch so as to be coupled with the movable member when the movable member is slid to be coupled to the rotor. The plurality of coupling protrusions are integrally formed with the rotor frame and punched out of the rotor frame to form the plurality of holes.

Abstract: The present application discloses a cooling system for a drive motor for an alternative fuel vehicle, the drive motor comprising a motor housing, a stator core arranged in the motor housing, and a stator winding arranged inside the stator core, wherein the stator core is formed by a lamination of a core punch, characterized in that the cooling system comprises: a flow guiding configuration for directing a coolant flow around an outer periphery of the stator core to cool the stator core, the flow guiding configuration comprising alternately arranged diversion regions and convergence regions; one or more coolant inlets for introducing the coolant from outside the cooling system; a flow guiding hood for directing the coolant flow to the ends of the stator windings to cool the ends of the stator windings; and a convergence port for allowing the coolant in the flow guiding configuration to pass so that the coolant flows from the outer periphery of the stator core to the flow guiding hood.

Abstract: A blower device includes a blower casing, an impeller accommodated inside the blower casing, a motor provided at one end side in an axial direction of the blower casing and configured to rotate the impeller, and a connector housing including a plurality of connector pins configured to supply electric power to the motor. A water damage prevention cover configured to cover an upper side of the connector housing is fixed to the connector housing.

Abstract: A stator member for a directly-cooled e-machine includes a bobbin with a plurality of winding supports, a first isolator barrier member supported on a first angular side of a first winding support and a second isolator barrier member supported on a second angular side of the first winding support. The first and second isolator barrier members, the inner radial portion, and the outer radial portion cooperatively define an axial flow channel. The stator member further includes an end fluid deflector member that defines a redirection surface of the axial flow channel. The redirection surface is configured to redirect flow at the first axial end substantially from a first direction along the axis toward a second direction along the axis. The first direction is opposite the second direction.

Abstract: One first connector head 21A and one second connector head 22A face each other, in the plane view of a connector terminal assembly 19, with the axial line of an output shaft 12, which is the axial line of the motor rotation shaft of an electric motor, therebetween without being offset from each other. The other first connector head 21B and the other second connector head 22B face each other, in the plane view of the connector terminal assembly 19, with the axial line of the output shaft 12, which is the axial line of the motor rotation shaft of the electric motor, therebetween without being offset from each other.

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: This laminated core is formed integrally by laminating a plurality of steel sheets including a first steel sheet and a second steel sheet. The first steel sheet is disposed as an outermost layer on one end side along the central axis and including a first exposed surface. The second steel sheet is disposed as an outermost layer on the other end side along the central axis and including a second exposed surface. In this laminated core, a difference between a maximum value and a minimum value in a distribution of a thickness that is a distance between the first exposed surface and the second exposed surface is 0.25 mm or less.

Abstract: A junction box assembly including a housing having an opening for accessing an interior of the housing, a high-voltage connector adjacent the opening, and an access panel mounted to the housing. The access panel is movable between a first position and a second position, the first position restricting access to the opening of the housing and permitting a cooperating high-voltage connector to engage the high-voltage connector adjacent the opening and the second position permitting access to the opening of the housing and restricting a cooperating high-voltage connecter from engaging the high-voltage connector adjacent the opening.

Abstract: Provided is an in-wheel electric motor drive system, comprising: a housing, which is formed with a wiring cavity(S), a first channel (111) and a second channel (112), wherein both the first channel (111) and the second channel (112) are in communication with the wiring cavity(S), the first channel (111) allows a first connection end (41) of an electric motor busbar (4) to be inserted into the wiring cavity(S), and the second channel (112) allows a second connection end (51) of a power supply connector (5) to be inserted into the wiring cavity(S); a wiring support (2, 2?), which is mounted into the wiring cavity(S) and fixed to the housing, wherein the wiring support (2, 2?) is formed with a mounting hole (2h); and a connection assembly (3), which is used for electrically connecting the first connection end (41) extending into the mounting hole (2h) and the second connection end (51) extending to a position above the same mounting hole (2h) together.

Abstract: Systems and methods for cooling electric machines are provided. A method for cooling an electric machine includes receiving a flow of air, expanding and cooling the air from the flow of air using a turbine, conveying the flow of air from the turbine through the electric machine to extract heat from the electric machine using the flow of air, and drawing the flow of air through the electric machine using an air mover.

Abstract: A bracket includes a bracket housing that has a bore extending through the bracket housing and that has a channel extending through the bracket housing between a first channel opening and a second channel opening. The bore provides fluid communication between the power electronic device and the compressor assembly. A terminal block subassembly is disposed in the channel. The terminal block subassembly includes a plurality of busbars spaced apart from each other and each extending between a first busbar end and a second busbar end. An overmold encasement is disposed over the busbars between the first and second busbar ends. The first busbar ends are disposed adjacent to the first channel opening and electrically couple to a compressor assembly and the second busbar ends are disposed adjacent to the second channel opening and electrically couple to a power electronic device.