Invention Grant
US07696655B2 Automatic balancing apparatus, rotating apparatus, disc drive apparatus, and balancer
失效
自动平衡装置,旋转装置,盘驱动装置和平衡器
- Patent Title: Automatic balancing apparatus, rotating apparatus, disc drive apparatus, and balancer
- Patent Title (中): 自动平衡装置,旋转装置,盘驱动装置和平衡器
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Application No.: US11601774Application Date: 2006-11-20
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Publication No.: US07696655B2Publication Date: 2010-04-13
- Inventor: Yuji Shishido , Takashi Mochida , Rikuhiro Hanai
- Applicant: Yuji Shishido , Takashi Mochida , Rikuhiro Hanai
- Applicant Address: JP Tokyo
- Assignee: Sony Corporation
- Current Assignee: Sony Corporation
- Current Assignee Address: JP Tokyo
- Agency: Rader, Fishman & Grauer PLLC
- Priority: JPP2005-373106 20051226
- Main IPC: H02K5/24
- IPC: H02K5/24

Abstract:
An automatic balancing apparatus is disclosed. The automatic balancing apparatus includes a plurality of magnets, magnetic fluid, and a rotatable housing. The magnets function as balancers. The rotatable housing has a moving path disposed along a peripheral direction of the rotation. Each of the magnets is moved through the moving path. The rotatable housing accommodates the magnets and the magnetic fluid.
Public/Granted literature
- US20070150910A1 Automatic balancing apparatus, rotating apparatus, disc drive apparatus, and balancer Public/Granted day:2007-06-28
Information query