发明授权
US08497613B2 Permanent magnet, manufacturing method thereof, and rotor and IPM motor
有权
永磁体及其制造方法以及转子和IPM电机
- 专利标题: Permanent magnet, manufacturing method thereof, and rotor and IPM motor
- 专利标题(中): 永磁体及其制造方法以及转子和IPM电机
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申请号: US12746329申请日: 2008-12-02
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公开(公告)号: US08497613B2公开(公告)日: 2013-07-30
- 发明人: Kenji Nakamura , Shigeto Takeuchi , Keiu Kanada , Masafumi Suzuki , Tomonari Kogure
- 申请人: Kenji Nakamura , Shigeto Takeuchi , Keiu Kanada , Masafumi Suzuki , Tomonari Kogure
- 申请人地址: JP Aichi-ken
- 专利权人: Toyota Jidosha Kabushiki Kaisha
- 当前专利权人: Toyota Jidosha Kabushiki Kaisha
- 当前专利权人地址: JP Aichi-ken
- 代理机构: Sughrue Mion, PLLC
- 优先权: JP2007-316297 20071206
- 国际申请: PCT/IB2008/003295 WO 20081202
- 国际公布: WO2009/071975 WO 20090611
- 主分类号: H01F41/02
- IPC分类号: H01F41/02 ; H02K15/03
摘要:
A manufacturing method for a permanent magnet includes the steps of a) producing a permanent magnet (1), b) fracturing the permanent magnet (1) to obtain two or more separate pieces (13), and c) restoring the permanent magnet (1) by fitting the fracture surfaces of adjacent separate pieces (13) together.
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