Rotation speed controller for fans
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United States of America Patent
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Nov 11, 2008
Grant Date -
Apr 10, 2008
app pub date -
Oct 6, 2006
filing date -
Oct 6, 2006
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A specially designed rotation speed controller for fans, in addition to basic components like variable resistor, the controller has also been equipped with special components such as TRIAC, micro limit switch, and glass tube fuse, which allows said controller to precisely control the on/off status and the rotation speed of the fan, and the controller also provides power-off protection against power overload.
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