Two coil relay for dryer with integrated circuit control

Details Two coil relay for dryer with integrated circuit control Two coil relay for dryer with integrated circuit control

1975-01-22

1976-03-16

Schaefer, Robert K.

Electrical transmission or interconnection systems

Plural load circuit systems

Selectively connected or controlled load circuits

34 45, H02J 400

Patent

active

039448410

ABSTRACT:
A fabric treating appliance, such as a clothes dryer, has four different modes of machine operation which are controlled by an integrated circuit having two outputs in conjunction with a moisture sensing means and a sensor circuit; and relay circuitry is provided to interface between the integrated circuit and the power circuit of the machine. This relay circuitry includes two coils operably associated with switching apparatus so as to achieve four distinct control states corresponding to the four different modes of machine operation. A like relay circuit may be adapted for use on a machine having a three-output integrated circuit control.

REFERENCES:
patent: 3271877 (1966-09-01), Guenther et al.
patent: 3702030 (1972-11-01), Janke
patent: 3802091 (1974-04-01), Offutt

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