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公开(公告)号：US20240178718A1
公开(公告)日：2024-05-30
申请号：US18482210
申请日：2023-10-06
摘要： A motor includes a rotor, a stator including a stator core and a coil, a housing, and a first annular member that provides sealing between a first end surface of the stator core in a direction of an axis of the stator core and an inner wall surface of the housing. The first annular member has first holes configured to be passed through by a refrigerant injected toward a first coil end of the coil, the first coil end protruding from the first end surface. The first annular member includes a first section in which at least two of the first holes are arranged in a circumferential direction of the first annular member at a first interval, and a second section in which at least two of the first holes are arranged in the circumferential direction at a second interval that is larger than the first interval.
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公开(公告)号：US20240162765A1
公开(公告)日：2024-05-16
申请号：US18501162
申请日：2023-11-03
摘要： A motor may include a rotor; a stator comprising a stator core and a coil; a housing that houses the rotor and the stator; and a first annular member that provides a seal between a first end face of the stator core in an axial direction of the stator core and an inner wall surface of the housing. The first annular member may include a plurality of first holes through which refrigerant is injected toward a first coil end of the coil protruding from the first end face of the stator core. The plurality of first holes may include a first large hole and a first small hole, and the first small hole may have an opening area smaller than an opening area of the first large hole.
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公开(公告)号：US09851001B2
公开(公告)日：2017-12-26
申请号：US14760860
申请日：2013-06-11
IPC分类号： F16H57/04 , F16H57/027 , F16H57/02
CPC分类号： F16H57/0483 , F16H57/027 , F16H57/0423 , F16H57/0457 , F16H2057/02052
摘要： A drive unit for vehicles that prevents a blow out of lubrication oil from a breather during splash lubrication is provided. A partition plate is disposed along a flat face of a ring gear to divide an inner space of the chamber into a first reservoir in which the ring gear is disposed, and a second reservoir to which the lubrication oil partially flows thereinto to return to an oil pan. The partition plate comprises a main body disposed between the flat face of the ring gear and an inner face of the chamber opposed thereto, and a bent portion formed on an upper end of the main body to guide the lubrication oil scattered upwardly by a rotation of the ring gear in a direction away from the breather.
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公开(公告)号：US20240178719A1
公开(公告)日：2024-05-30
申请号：US18513819
申请日：2023-11-20
摘要： A motor may include a rotor; a stator comprising a stator core and a coil; a housing that houses the rotor and the stator; and a first annular member that provides a seal between a first end face of the stator core in an axial direction of the stator core and an inner wall surface of the housing. The first annular member may have a cylindrical shape about an axis of the stator core. The first annular member may include at least one first hole and at least one second hole through which refrigerant is injected toward a first coil end. The at least one first hole may be located on a first plane perpendicular to the axis. The at least one second hole may be located on a second plane that is perpendicular to the axis and spaced apart from the first plane in the axial direction.
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