Abstract: A film capacitor for positioning at a direct current (DC) terminal at a front end of an inverter having a plurality of switching elements, can include a first member, and a second member surrounding the first member, in which a first thickness of the first member is greater than a second thickness of the second member.

Abstract: A film capacitor for positioning at a direct current (DC) terminal at a front end of an inverter having a plurality of switching elements, can include a first member; and a second member surrounding the first member, in which a second dielectric resistance of the second member is higher than a first dielectric resistance of the first member.

Abstract: An intelligent power generation module includes a motor having a motor housing; a cooling water flow path; a first oil flow path extending along a circumferential direction of the motor housing such that oil flows through one end portion of the motor housing; a plurality of first injection nozzles being spaced apart from each other in a circumferential direction of the first oil flow path and configured to inject the oil into the motor housing; an oil injection housing mounted at the other end portion of the motor housing; a second oil flow path formed along a circumferential direction of the oil injection housing such that oil flows inside the housing for oil injection; and a plurality of second injection nozzles being spaced apart from each other in a circumferential direction of the second oil flow path and configured to inject the oil into the motor housing.

Abstract: A motor assembly including: a housing that forms an accommodating space therein; a stator that is provided inside the housing; and a rotor that is rotatable with respect to the stator, wherein the housing includes: a cooling water passage through which cooling water exchanges heat while moving therein; and an air flow passage through which air inside the accommodation space exchanges heat while moving through the housing in the axial direction. Accordingly, the air inside the housing can be cooled to a preset temperature or less.

Abstract: The present invention relates to a motor comprising: a motor housing; a stator which is provided in the motor housing and has a coil; a rotor installed in the stator to be rotatable about a rotary shaft; and a spray hole which is formed in the circumferential surface of the rotor by passing through the circumferential surface in a radial direction and which sprays a cooling fluid in the motor housing onto the coil according to the rotation of the rotor. Therefore, cooling by oil convection can be accelerated while minimizing resistance due to the oil.

Abstract: A motor including: a stator; and a rotor rotating about the stator. The stator has: a stator core having a plurality of split cores respectively having a plurality of teeth and slots and coupled into a ring shape; and a stator coil inserted in the slots. The plurality of split cores has: a plurality of yoke parts positioned adjacent to each other; a plurality of teeth parts respectively protruding from the plurality of yoke parts in the radial direction; a cutting part cut in the radial direction between the yoke parts which are adjacent to each other; and a connection part for connecting the yoke parts which are adjacent to each other so as to be able to relatively rotate. Therefore, the size of scraps can be reduced when manufacturing the stator core.

Abstract: A film capacitor for positioning at a direct current (DC) terminal at a front end of an inverter having a plurality of switching elements, can include a first member; and a second member surrounding the first member, in which a second dielectric resistance of the second member is higher than a first dielectric resistance of the first member.

Abstract: A power module according implementations of the present disclosure includes a bonding layer for bonding two adjacent members. The bonding layer is formed by melting, applying, and solidifying a bonding material that has excellent thermal conductivity and electrical conductivity. The melted bonding material includes a plurality of anti-tilting members. The two members bonded during the process of solidifying the melted bonding material are supported by the plurality of anti-tilting members. This may allow tilting caused during the formation of the bonding layer to be suppressed.

Abstract: A motor according to an embodiment of the present disclosure may include a housing comprising an accommodation space and a refrigerant supply hole; a stator core disposed in the accommodation space and coupled to an inner circumferential surface of the housing; a rotor core rotatably disposed in the accommodation space; a shaft coupled to a central portion of the rotor core; and a refrigerant supply groove formed as a recess in a portion of the inner circumferential surface of the housing adjacent to a location where the inner circumferential surface of the housing is coupled to the stator core. The refrigerant supply groove may comprise a main groove communicating with the refrigerant supply hole and extending in a circumferential direction of the stator core; and a plurality of branched grooves extending in an axial direction from both sides of the main groove.

Abstract: Disclosed herein are a stator and a method for manufacturing the same. The stator according to embodiments of the present disclosure includes an insulating part and a plurality of stator coils each having two ends electrically connected to form one joint portion. The insulating part is configured to cover at least respective parts of the joint portions, and to provide a distance between neighboring joint portions. Accordingly, a partial discharge caused by a surge between the joint portions of the stator coils may be prevented, allowing operational reliability of the stator to be increased.

Abstract: A current sensor assembly includes a housing; a plurality of shields which are accommodated inside the housing and open toward the top of the housing; a plurality of bus bars to which three-phase current is applied and which are arranged spaced apart from each other so as to go past the plurality of shields, respectively; and a current sensor unit which includes a printed circuit board and a plurality of current sensors disposed on the printed circuit board to measure the current applied to the bus bars. The shields, the bus bars, and the current sensor unit are configured to be accommodated inside the housing, and the current sensors are spaced apart from the bus bars and disposed in the inner spaces of the shields.

Abstract: A motor may include a shield member that screens a magnetic field between a stator and a rotor, and a moving member that controls a position of the shield member in response to an electromagnetic interaction with the stator such that the screening of the magnetic field is configured to be selectively performed. The motor may prevent a generation of a counter electromotive force or regenerative braking.

Abstract: The present disclosure provides a stator of an electric rotating machine, a hairpin of a stator of an electric rotating machine, and a manufacturing method thereof. The stator for the electric rotating machine comprises a stator core, and a stator coil comprising hairpins. Each hairpin comprises a conductor, a film surrounding the conductor, a pair of insertion parts configured to be inserted into different slots, and a connection part connecting the insertion parts. The connection part comprises first and second bending parts bent with a predetermined radius of curvature such that the pair of insertion parts are insertable into different layers. The hairpins include first and second hairpins, each of the first and second hairpins configured to protrude from one end of the stator core by different protrusion lengths. Each of the first and second hairpins comprises a region configured to cross each other.

Abstract: A motor housing assembly for cooling a motor assembly is disclosed. The motor housing assembly includes a stator and a rotor. To reduce a weight and a manufacturing cost, the motor housing assembly includes an aluminum housing coupled to an outer circumferential surface of a motor assembly and configured to form a first space between the aluminum housing and the motor assembly, the first space including an oil flow channel and a plastic housing coupled to an outer circumferential surface of the aluminum housing and configured to form a second space between the plastic housing and the aluminum housing, the second space including a water flow channel.

Abstract: A printed circuit board assembly is disclosed. The printed circuit board assembly includes a printed circuit board, a sensor mounted on one side of the printed circuit board to detect a magnetic field, and a bus bar disposed in contact with another side of the printed circuit board, wherein a thickness between a region of the another side of the printed circuit board, with which the bus bar is in contact, and the one side of the printed circuit board is smaller than a thickness between a remaining region of the another side of the printed circuit board and the one side of the printed circuit board.

Abstract: The present disclosure provides a motor configured to receive driving power from a connector including power terminals. The motor comprises a housing, a terminal block disposed inside the housing, and at least one terminal located adjacent to the terminal block. The power terminals are configured to penetrate through the terminal block, and the at least one terminal is configured to be brought into contact with the power terminal according to a movement of the connector when hairpin coils are inserted in the connector, such that the driving power is applied to the hairpin coils via the power terminal.

Abstract: A gear system is disclosed. The gear system has a structure in which oil churned by a gear is dispensed to at least one of a hollow space or a bearing, thereby effectively lubricating components. For example, the gear system includes a first shaft comprising a hollow space, a first gear arranged at an outer circumference of the first shaft, a second gear externally engaged with the first gear, a bearing arranged at the outer circumference of the first shaft, a housing surrounding the first gear and the second gear, and an oil guide plate disposed between the first shaft and the housing to dispense oil churned by the second gear to the hollow space of the first shaft and the bearing coupled to the first shaft.

Abstract: A motor includes a rotor assembly and a stator. The rotor assembly includes a rotatable shaft extending in an axial direction, a rotor core coupled to the rotatable shaft and having a plurality of holes penetrating through the rotor core in the axial direction, a first end ring coupled to one end of the rotor core and configured to guide oil supplied to the rotor assembly into the plurality of holes, and a second end ring coupled to the opposite end of the rotor core and configured to guide oil passing through the plurality of holes in a radial direction.

Abstract: An electric motor includes: a case; a stator including a stator core disposed inside the case and a stator coil wound around the stator core; a rotor including a rotating shaft and being configured to rotate with respect to the stator; and an oil spraying part that is configured to store oil in a lower part of the case, that includes an oil passage configured to guide the oil to an upper area of the case and an oil pump for pumping the oil, and that is configured to spray the oil to an inner heating part of the case. Accordingly, the oil can suppress occurrence of short-circuiting of an electric circuit and rapidly cool a heating part.

Abstract: A stator of a rotating electric apparatus is disclosed. The stator includes a stator core that defines a plurality of slots that are located a circumference of the stator core. The stator further includes a stator coil that includes a plurality of conductors electrically connected, located in the plurality of slots, and configured to conduct electricity. The stator coil includes a plurality of phase coils that are each connected to a phase of a power source. A first conductor of the stator coil is connected to a power line and is located in an nth layer that is an outermost layer of one of the plurality of slots. An Nth conductor of the stator coil is connected to a neutral line and is located in an n?1th layer that is located nearer to a center of the stator than the nth layer.