Control arrangements for clothes driers and clothes driers inclu

Details Control arrangements for clothes driers and clothes driers inclu Control arrangements for clothes driers and clothes driers inclu

1978-04-03

1980-07-01

Schwartz, Larry I.

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

34 55, 328 48, F26B 2110

Patent

active

042099153

ABSTRACT:
A clothes drier control circuit includes an electric heater regulated to maintain a constant predetermined temperature difference between the outlet and the ambient air. A digital reference value is stored representing the constant heat output level when a constant rate of evaporation is reached. The eventual reduction of the heat output to a given fraction of the reference value is detected so as to indicate that the clothes have reached a predetermined desired degree of dryness.

REFERENCES:
patent: 3471937 (1969-10-01), Genbauffe
patent: 3702030 (1972-11-01), Janke
patent: 3769716 (1973-11-01), Janke et al.
patent: 3818604 (1974-06-01), Offutt et al.
patent: 3944841 (1976-03-01), Janke
patent: 3990014 (1976-11-01), Hakozaki

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