Invention Grant
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
- Patent Title: Permanent magnet, manufacturing method thereof, and rotor and IPM motor
- Patent Title (中): 永磁体及其制造方法以及转子和IPM电机
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Application No.: US12746329Application Date: 2008-12-02
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Publication No.: US08497613B2Publication Date: 2013-07-30
- Inventor: Kenji Nakamura , Shigeto Takeuchi , Keiu Kanada , Masafumi Suzuki , Tomonari Kogure
- Applicant: Kenji Nakamura , Shigeto Takeuchi , Keiu Kanada , Masafumi Suzuki , Tomonari Kogure
- Applicant Address: JP Aichi-ken
- Assignee: Toyota Jidosha Kabushiki Kaisha
- Current Assignee: Toyota Jidosha Kabushiki Kaisha
- Current Assignee Address: JP Aichi-ken
- Agency: Sughrue Mion, PLLC
- Priority: JP2007-316297 20071206
- International Application: PCT/IB2008/003295 WO 20081202
- International Announcement: WO2009/071975 WO 20090611
- Main IPC: H01F41/02
- IPC: H01F41/02 ; H02K15/03
Abstract:
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.
Public/Granted literature
- US20100244608A1 PERMANENT MAGNET, MANUFACTURING METHOD THEREOF, AND ROTOR AND IPM MOTOR Public/Granted day:2010-09-30
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