Fan system and protecting device thereof

Details Fan system and protecting device thereof Fan system and protecting device thereof

2007-09-17

2010-11-16

Benson, Walter (Department: 2837)

Electricity: motive power systems

Automatic and/or with time-delay means

Responsive to thermal conditions

C318S268000, C318S400010, C318S400210, C318S400220

Reexamination Certificate

active

07834571

ABSTRACT:
A protecting device of a fan system includes at least one first switch element and at least one control unit. The first switch element receives a first input signal. The control unit is electrically connected with the first switch element, receives the first input signal, and controls the first switch element to turn on or turn off according to the first input signal. The control unit stops outputting the first input signal when the first switch element turns on. The control unit outputs the first input signal when the first switch element turns off, so that a fan of the fan system can be driven by the first input signal.

REFERENCES:
patent: 5289089 (1994-02-01), Aoki
patent: 5831405 (1998-11-01), Massie
patent: 6357667 (2002-03-01), Young
patent: 6551065 (2003-04-01), Lee
patent: 6768624 (2004-07-01), Miermans
patent: 7091689 (2006-08-01), Lee
patent: 7242562 (2007-07-01), Lin et al.

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