发明名称 Self balancing motor
摘要 In accordance with the present invention there is provided an apparatus and method for balancing an electric ceiling fan. The apparatus includes a circular hollow ring connected to the rotating housing of a ceiling fan motor, or to the ceiling fan blades, which ring contains a plurality of metal spheres, or liquid, movable within the ring to balance the ceiling fan. The method of the invention includes connecting a circular hollow ring to the rotating portion of a ceiling fan, and placing liquid or metal spheres inside the circular hollow ring to balance the ceiling fan.
申请公布号 US5256037(A) 申请公布日期 1993.10.26
申请号 US19920903145 申请日期 1992.06.24
申请人 CHATELAIN, MICHAEL R. 发明人 CHATELAIN, MICHAEL R.
分类号 F04D29/66;(IPC1-7):F04D29/32 主分类号 F04D29/66
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