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

Automatic balancing apparatus, rotating apparatus, disc drive apparatus, and balancer
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.
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