- 专利标题: MOTOR AND ELECTRIC DEVICE INCLUDING MOTOR
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申请号: EP18883711.6申请日: 2018-11-02
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公开(公告)号: EP3719977A1公开(公告)日: 2020-10-07
- 发明人: YAN, Guo-jhih , WU, Keng-Chang , WANG, Kuo-Min , LIN, Hsiu-Ying , LIN, Ming Zan , LIN, Chiaching
- 申请人: Nidec Corporation
- 申请人地址: 338 Kuzetonoshiro-cho Minami-ku Kyoto-shi, Kyoto 601-8205 JP
- 专利权人: Nidec Corporation
- 当前专利权人: Nidec Corporation
- 当前专利权人地址: 338 Kuzetonoshiro-cho Minami-ku Kyoto-shi, Kyoto 601-8205 JP
- 代理机构: Viering, Jentschura & Partner mbB Patent- und Rechtsanwälte
- 优先权: CN201711239740 20171130
- 国际公布: WO2019107074 20190606
- 主分类号: H02K11/215
- IPC分类号: H02K11/215 ; H02K11/22 ; H02K11/225 ; H02K11/25
摘要:
A motor includes a shaft arranged to be rotatable around a center axis, two rotors arranged in an axial direction to have a predetermined distance and at least one of rotors including a magnet, a stator arranged between the two rotors and including a plurality of stator cores arranged in a circumferential direction and coils wound on the plurality of stator cores, and a circuit board provided between the stator and the rotor including the magnet. The circuit board includes a plurality of groove holes penetrating the circuit board in an axial direction and arranged in a circumferential direction. The plurality of stator cores are fitted into the plurality of groove holes.
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