发明申请
- 专利标题： Spindle motor
- 专利标题（中）： 主轴电机
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申请号： US11367648申请日： 2006-03-03
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公开(公告)号： US20060197395A1公开(公告)日： 2006-09-07
- 发明人: Takuro Iguchi
- 申请人： Takuro Iguchi
- 优先权： JPJP2005-11111 20050303
- 主分类号： H02K21/12
- IPC分类号： H02K21/12 ; H02K11/00 ; H02K7/00
摘要：
A spindle motor includes a rotor magnet including a plurality of pairs of magnetic poles polarized in a radial direction and arranged along a circumferential direction of the rotor magnet and a rotor hub supporting the rotor magnet and being rotatable around an axis of the circular shape of the rotor magnet. A circular surface in the form of a convex portion is provided on a magnetic shield portion of the rotor hub and is arranged to oppose one axial end surface of the rotor magnet and abut against the rotor magnet such that a gap is provided between the axial end surface of the rotor magnet and the circular surface of rotor hub.
公开/授权文献
- US07443068B2 Spindle motor 公开/授权日：2008-10-28
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