Abstract: A fuse circuit element (32) of a fuse module 22 for fail-safe is mounted on a fuse circuit board (31), and connected to wire terminal portions (36) made of respective wire one ends of stator coils. The fuse circuit board (31) has, as main terminals (33), through holes (33a) and land portions (33b), and the wire terminal portions (36) are soldered or welded with the wire terminal portions (36) inserted into the through holes (33a). The fuse circuit board (31) is supported in a cantilever manner by a pedestal portion (52), and a space (53) is secured between the fuse circuit board (31) and a surface (51) of a housing (7) around the main terminals (33). With this, soldering or welding can be performed without heat escaping during soldering or welding by the space (53).

Abstract: An electric machine, for an electric drive train in a motor vehicle, includes a rotor rotatably mounted relative to a stator, the stator having a first stator member with a first stator winding arranged within a first chamber, at least part of which is enclosed by a delimiting first casing component. The first casing component contains an electric connection element with a contacting member and a reception sleeve which extend therethrough such that a first portion of the reception sleeve protrudes into the first chamber and a second portion of the contacting member is contactable from the side of the first casing component facing away from the first chamber. The contacting member is secured in the reception sleeve, which is accommodated in the first casing component. The contacting body is fixed in the receiving sleeve, which is received in the first housing component.

Abstract: In one aspect, a power supply device includes a handle extending from a first end to a second end. The second end defines a void. A battery is housed within the handle. A tool module is configured to be received within the void. A retaining member is configured to secure the tool module within the void. The power supply also includes a base. In another aspect, a power supply device includes a handle extending from a first end to a second end. The second end defines a void. A battery is housed within the handle. A tool module is configured to be received within the void. A user interface is disposed on the handle. The tool module is powered by the battery and configured to be controlled through the user interface. A retaining member is configured to secure the tool module within the void. A base is also included.

Abstract: A triboelectric energy generating device including: a first triboelectric layer made of a conductive material; a second triboelectric layer made of the ferroelectric composite, wherein the second triboelectric layer faces and is spaced apart from a friction face of the first triboelectric layer; and an outer wall surrounding at least a portion of each of the first triboelectric layer and the second triboelectric layer. The ferroelectric composite includes a polymer matrix and ferroelectric particles dispersed in the polymer matrix. When the ultrasonic wave is applied to the device, the first triboelectric layer and the second triboelectric layer repeatedly contact and are spaced from each other to generate the triboelectric energy. When the ultrasonic wave is applied to the device, an electric field is generated to maintain a polarized state of the ferroelectric particles to maintain an output of the triboelectric energy.

Abstract: A cooling device and method for a high-temperature superconducting motor of a hydrogen-powered aircraft based on a dual evaporation-condensation cycle is provided. The latent heat of vaporization of liquid hydrogen fuel in the hydrogen-powered aircraft is used as the cooling source of the superconducting motor. The internal evaporation-condensation cycle can meet the cooling requirements of the superconducting motor during normal operation, and the external evaporation-condensation cycle can be used as a supplement to the cooling capacity of the device when the internal evaporation-condensation cycle is damaged or cannot meet the requirements. The coupling of the two effectively increases the adaptability of the cooling device to complex environments.

Abstract: A canned motor for a submersible pump system and a method of manufacturing the canned motor are provided. The canned motor includes: a canned stator comprising a can disposed within a central bore of a lamination stack, wherein an inner diameter of the can comprises at least one keyway; and a rotor bearing comprising at least one key configured to engage the keyway of the can when a shaft and rotor sub-assembly is disposed within the canned stator.

Abstract: A working machine may include a working part, a body including a motor accommodating part, a fan accommodated in the motor accommodating part and a motor accommodated in the motor accommodating part and configured to drive the working part and the fan. The fan may include a disk plate including a circular opening defined at a center of the disk plate, a plurality of vanes attached to the disk plate, and a cover part. The plurality of vanes may be covered by the disk plate and the cover part in an axial direction.

Abstract: A converter motor includes a braking resistor, and an electric motor with a junction box. The junction box is formed from a bottom part and a cover placed on the bottom part, and a printed circuit board of the converter is fastened to the cover. A braking resistor is thermally conductively connected to the bottom part and/or fastened on the bottom part, and a metal sheet is connected to the bottom part. The braking resistor is arranged on that side of the metal sheet which is averted from the printed circuit board.

Abstract: Task of the present invention is to provide a power-generating magnetostrictive element and a magnetostrictive power generation device equipped with the same, which are capable of achieving the same or a greater magnetostrictive power generation amount compared to conventional technology while employing materials lower in cost compared to conventional magnetostrictive materials. The task is achieved by providing a magnetostrictive element comprising a magnetostrictive part formed of an electromagnetic metal sheet. The present invention also provides a power-generating magnetostrictive element and a power-generating magnetostrictive element having high voltage with little variation. The task is achieved by providing a magnetostrictive element comprising a magnetostrictive part formed from a magnetostrictive material and a stress control part formed from an elastic material, the materials each having a Young's modulus and a sheet thickness simultaneously satisfying specific relationships.

Abstract: A heatsink for an electric motor, the heatsink comprising a heat spreader configured to be placed in proximity to a winding of the electric motor, a channel formed through the heat spreader and comprising a coolant inlet and a coolant outlet, and a surface feature formed into a back face of the heat spreader that faces the winding and is configured to reduce eddy currents induced in the heatsink.

Abstract: A cover plate assembly, a stator, an electric motor, a compressor and a vehicle are provided. The cover plate assembly is used for the electric motor having a lead. The cover plate assembly has a first housing and a second housing. The first housing has a first passage portion. The second housing is detachably connected to the first housing. A sealing cavity and a second passage portion are jointly enclosed between the first housing and the second housing. The first passage portion and the second passage portion are both in communication with the sealing cavity. The lead of the electric motor extends into the sealing cavity through the second passage portion.

Abstract: A motor includes a bottomed cylindrical housing incorporating a rotor that rotate integrally with a shaft and a stator, and an end bell having an end plate that closes an opening of the housing and a holder that is provided between the rotor and the end plate in an axial direction and to which an electrical element is attached. The end plate has an air hole penetrating the end plate in the axial direction. The holder includes an attachment portion to which the electrical element is attached, and has an insertion hole through which the shaft is inserted. At least part, of the attachment portion, overlapping the air hole when viewed in the axial direction has a cutout portion.

Abstract: A sealing arrangement for passing electrical connections through a wall of a casing of a device for driving a compressor, formed as an electric motor with a stator and a rotor. The sealing arrangement has a connection arrangement with a holding element and at least one electrically conductive connecting element, which protrudes through a feedthrough hole of the casing from a volume enclosed by the casing. The connection arrangement has a sealing element in each case with a sealing sleeve for a connecting element, which, in an area of the feedthrough hole of the casing and a through hole of the holding element, full-circumferentially enclosing the connecting element, abuts in each case on the connecting element and on the casing and on the holding element in a fluid-tight and electrically insulating manner between the connecting element and the casing, and between the connecting element and the holding element.

Abstract: An actuator includes a housing defining a cavity. The actuator further includes a hub disposed in the cavity. The actuator further includes a controller disposed in the cavity and supported by the hub. The actuator further includes potting compound surrounding the controller within the cavity.

Abstract: A motor unit for use in an electric bicycle, the motor unit including a motor configured to drive a wheel of the electric bicycle in rotation. The motor unit includes a shell which at least partially houses the motor. The motor includes a rotary shaft, a rotor coupled to the rotary shaft to rotate along with the rotary shaft, and a stator arranged to surround the rotor. The stator is partially resin-molded and has a metallic surface exposed on an outer periphery thereof. A pin is interposed between the shell and the stator.

Abstract: An electric motor of a motor vehicle, in particular an auxiliary unit, with a stator having a stator winding as well as with a rotor as well as with a switching unit and with a contact adapter for an electric motor connection. The stator and the rotor are arranged concentrically to a motor axis in a motor housing, which is closed with a bearing plate arranged perpendicular to the motor axis. The switching unit is placed on the stator and electrically contacted by the stator winding, and the contact adapter is connected to the switching unit and in electrical contact with it. A plug connection of the contact adapter is arranged in an opening of the bearing plate. A method for the mounting of an electric motor as well as an auxiliary unit of a motor vehicle are also provided.

Abstract: An electrical generator system including a radionuclide material; and a sandwich structure, the sandwich structure including: a layer of an n-type semiconductor material; a layer of intrinsic n-type semiconductor material; a layer of p-type semiconductor material; and metal electrodes, one of the electrodes being in direct contact with said n-type semiconductor material and another electrode being in contact with the p-type semiconductor material, forming metal-semiconductor junctions therebetween; wherein radiation emissions received from said radionuclide material are converted into electrical energy at said metal-semiconductor junctions; and electrical contacts connected to said electrodes which facilitate the flow of said electrical energy when connected to a load.

Abstract: In a motor unit that includes a stator including coils, a rotor, and an insulator attached to the stator, the insulator includes a bobbin portion around which a first coil wire or a second coil wire is wound, and a tubular portion provided outside the bobbin portion in a radial direction, terminals to which the first coil wire and the second coil wire are connected being mounted on the tubular portion, the tubular portion includes, at an upper end thereof between the coils and the terminals, base portions and guide portions receiving a load of the first coil wire or the second coil wire when the first coil wire or the second coil wire is wound in the coils such that the base portions and the guide portions are aligned in a circumferential direction.

Abstract: An electric motor includes a shaft, a rotor, a stator, a first bracket, a second bracket, a bypass definer, a first guide, and a second guide. The bypass definer defines an internal air bypass located radially outward from the stator for internal air to flow through. The first guide transfers heat transferred from the internal air passing through inside a plurality of first partition walls connecting the internal air bypass and an internal space to external air and guides the external air to an external air passage. The second guide transfers heat transferred from the internal air passing through inside a second partition wall connecting the internal air bypass and an internal space to the external air and guides the external air outside.

Abstract: A case body has a first opening that is open along a first direction and through which an inverter device is insertable, a surrounding wall portion disposed along the first direction so as to surround the first opening, and a second opening that is formed in the surrounding wall portion and through which a power cable is insertable. A cover member is fixed to the surrounding wall portion by a plurality of fastening members disposed away from each other along an opening edge of the first opening so as to cover the first opening. A second opening width in a direction orthogonal to the first direction is smaller than an opening width of the second opening in the first direction, and a pair of the fastening members is disposed on both sides across the second opening.