Warming fan

Details Warming fan Warming fan

F - Mech Eng,Light,Heat,Weapons

24

H

309/50

F24H 3/00 (2006.01) H05B 1/00 (2006.01)

Patent

CA 1267182

WARMING FAN ABSTRACT OF THE DISCLOSURE A warming fan with a speed reducing device comprises a choke coil which connects with the running inductor of the power set of the warming fan, a diode which is paralleled to the choke coil and a choke coil which is paralleled to the above-mentioned choke coil and connected in series with the diode in the downstream of the same. The warming fan can keep its revolution speed low enough and keep its revolution torque high enough, because the power set of the warming fan is driven by a relatively high voltage corresponding to its revolution speed, but which is interrupted intermittently.

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