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公开(公告)号：US20240113593A1
公开(公告)日：2024-04-04
申请号：US18479407
申请日：2023-10-02
CPC分类号： H02K7/145 , H02K11/0094 , H02K21/16 , B23D51/16
摘要： A power tool includes a housing, a rechargeable battery pack coupled to the housing, and a motor supported by the housing. The motor includes a stator assembly having a stator frame with an opening extending therethrough and a plurality of coil windings configured to be selectively powered by the rechargeable battery pack. The coil windings are positioned adjacent the opening of the stator frame. The motor further includes a rotor assembly disposed within the stator assembly and configured to rotate as the coil windings are powered by the rechargeable battery pack. Moreover, the power tool includes an output drive assembly supported by the housing. The output drive assembly extends through the opening of the stator frame to be operably coupled to the rotor assembly.
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公开(公告)号：US20240186845A1
公开(公告)日：2024-06-06
申请号：US18525279
申请日：2023-11-30
发明人： Jacob G. Wood , Carter H. Ypma , Jordan P. Gilsinger , Christopher J. Kujawski , Ryan Buttke , Andrew T. Beyerl , Linnea Emerson , Matthew R. Bailey , Jeffrey C. Hessenberger
CPC分类号： H02K1/18 , H02K7/083 , H02K7/145 , H02K11/21 , H02K2211/03
摘要： An electric motor includes a rotor assembly including a rotor shaft, a rotor body fixedly coupled to the rotor shaft, and a plurality of magnets coupled to the rotor body. The electric motor also includes a stator assembly at least partially received within the rotor body. The stator assembly includes a stator mount including a stator support portion and a motor support portion. The stator assembly also includes a stator core assembly fixedly supported by the stator mount, the stator core assembly defining a central bore that receives the rotor shaft and the stator support portion. The electric motor also includes a bearing having an outer race and an inner race, the outer race being supported by the stator core assembly, and the inner race supporting the rotor shaft for rotation relative to the stator assembly. The stator core assembly further defines a bearing pocket adjacent to the central bore.
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