Invention Grant
- Patent Title: Rotating machine
- Patent Title (中): 旋转机
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Application No.: US11644841Application Date: 2006-12-26
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Publication No.: US07825559B2Publication Date: 2010-11-02
- Inventor: Akihito Nakahara , Kazuhiko Takahashi , Mamoru Kimura , Akitomi Semba
- Applicant: Akihito Nakahara , Kazuhiko Takahashi , Mamoru Kimura , Akitomi Semba
- Applicant Address: JP Tokyo
- Assignee: Hitachi, Ltd.
- Current Assignee: Hitachi, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Antonelli, Terry, Stout & Kraus, LLP.
- Priority: JP2005-371279 20051226
- Main IPC: H02K1/27
- IPC: H02K1/27
Abstract:
A rotation machine is configured such that permanent magnets and pole shoes holding the permanent magnets at the outer diameter side of the permanent magnets are provided for a rotor, and an outer diameter size (Ra) in the axial end portion of the pole shoe is made smaller than an outer diameter size (Rb) in the axial center portion.
Public/Granted literature
- US20070145848A1 Rotating machine Public/Granted day:2007-06-28
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