Thermal bias and timer run-out for automatic dryer control

Details Thermal bias and timer run-out for automatic dryer control Thermal bias and timer run-out for automatic dryer control

1985-10-22

1987-02-17

Wayner, William E.

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

34 53, 34 55, F26B 2106

Patent

active

046429077

ABSTRACT:
A control circuit for a clothes dryer wherein a resistor connected in series with a timer to reduce supply voltage to ensure proper operation of the timer, is mounted adjacent an operating thermostat to provide thermal bias. Timer run-out is provided by the inclusion of a back contact on a drive motor centrifugal switch along with a resistor, so that the timer continues to run through its cycle in the event of the interruption of the dryer motor. Timer run-out is also provided in another embodiment which includes a centrifugal switch in series with the operating thermostat in a timer shunting circuit so that the shunt is removed upon interruption of the dryer cycle to supply power to the timer.

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