Invention Grant
- Patent Title: Permanent magnet unit for an electrical machine, a method of installing permanent magnet units and a rotor of an electrical machine
- Patent Title (中): 用于电机的永久磁铁单元,永磁体单元的安装方法和电机的转子
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Application No.: US12331704Application Date: 2008-12-10
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Publication No.: US07732964B2Publication Date: 2010-06-08
- Inventor: Pekka Kanninen
- Applicant: Pekka Kanninen
- Applicant Address: FI Helsinki
- Assignee: ABB Oy
- Current Assignee: ABB Oy
- Current Assignee Address: FI Helsinki
- Agency: Buchanan Ingersoll & Rooney PC
- Priority: FI20070963 20071211
- Main IPC: H02K21/12
- IPC: H02K21/12

Abstract:
A permanent magnet unit is provided for an electrical machine. The electrical machine includes a stator and rotor. At least one permanent magnet is enclosed in a non-magnetic enclosure. The enclosure has means for connecting it to at least one other substantially similar enclosure containing a permanent magnet.
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