Lint filter signal for automatic clothes dryer

Details Lint filter signal for automatic clothes dryer Lint filter signal for automatic clothes dryer

G - Physics

08

B

340/124

G08B 21/00 (2006.01) D06F 58/22 (2006.01) F26B 3/00 (2006.01)

Patent

CA 2028377

LINT FILTER SIGNAL FOR AUTOMATIC CLOTHES DRYER ABSTRACT OF THE DISCLOSURE A microprocessor controlled clothes dryer wherein the posture of a switch in the lint filter system is monitored and a signal to CHECK FILTER is displayed if the switch posture has not changed. The switch is a reed switch mounted stationary on the lint filter assembly and a magnet operator is attached to the removable filter screen. Movement of the filter screen into and out of filtering position in the lint filter assembly of the exhaust duct changes the posture of the magnet operated reed switch. Change of posture of the switch through its cycle impresses a change of voltage on the microprocessor. The microprocessor effects control over the CHECK FILTER signal that is visually illuminated on a VFD tube: such that, if the microprocessor sees the cycling of the switch the CHECK FILTER signal is extinguished.

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