Radiation fan driving apparatus

Details Radiation fan driving apparatus Radiation fan driving apparatus

2004-06-14

2008-12-02

Rodríguez, William H (Department: 3746)

Pumps

Condition responsive control of pump drive motor

Single motor control element responsive to means sensing...

C417S002000

Reexamination Certificate

active

07458781

ABSTRACT:
A radiation fan driving apparatus aims to allow a non-stop power supply system to output electric power to drive a radiation fan to continuously rotate at a lower speed to perform heat dissipation even the power supply device is electrically connected to an external electric power source. A control circuit and isolation protective elements are provided so that when the main power source of a computer host is ON, the power supply device delivers electric power through the main power system or the control circuit to the radiation fan to rotate at high speed to provide optimal heat dissipation effect.

REFERENCES:
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patent: 6098175 (2000-08-01), Lee
patent: 6163087 (2000-12-01), Huang et al.
patent: 7088565 (2006-08-01), Watanabe et al.
patent: 2007/0097721 (2007-05-01), Chou
patent: 2007/0150236 (2007-06-01), Warizaya
patent: 400968 (2000-08-01), None

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