Invention Grant
US08182219B2 Fan and bearing structure 有权
风扇和轴承结构

Fan and bearing structure
Abstract:
The present invention provides a fan including a stator and a rotor coupled to the stator. The stator has a base and a bearing disposed inside the base. The rotor has a shaft supported by the bearing. Furthermore, the shaft has a concave structure formed on a surface thereof, or the bearing has a groove structure formed on a surface thereof.
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