Pumps – Motor driven – Electric or magnetic motor
Patent
1992-06-24
1993-10-26
Bertsch, Richard A.
Pumps
Motor driven
Electric or magnetic motor
4174241, 416 5, 310 51, F04D 2932
Patent
active
052560376
ABSTRACT:
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.
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Bertsch Richard A.
Ray David L.
Scheuermann David W.
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