Fan with failure detecting function

Details Fan with failure detecting function Fan with failure detecting function

2007-12-11

2010-02-23

Ro, Bentsu (Department: 2837)

Electricity: motive power systems

Limitation of motor load, current, torque or force

C318S139000, C318S478000, C318S471000, C340S648000, C340S636170

Reexamination Certificate

active

07667422

ABSTRACT:
A fan with failure detecting function includes a power input terminal, a current limiting resistor, a light emitting diode (LED), and a fan motor. The power input terminal is coupled to the anode of the LED via the current limiting resistor. The cathode of the LED is coupled to one terminal of the fan motor, another terminal of the fan motor is grounded.

REFERENCES:
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patent: 4479115 (1984-10-01), Holzhauer
patent: 4644474 (1987-02-01), Aposchanski et al.
patent: 4843378 (1989-06-01), Kimura
patent: 5889469 (1999-03-01), Mykytiuk et al.
patent: 6163266 (2000-12-01), Fasullo et al.
patent: 7057363 (2006-06-01), Ku
patent: 2008/0151444 (2008-06-01), Upton

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