Thermal delay demand defrost system

Details Thermal delay demand defrost system Thermal delay demand defrost system

1980-07-31

1982-08-17

Makay, Albert J.

Refrigeration

Automatic control

Preventing, removing or handling atmospheric condensate

62156, F25D 2106

Patent

active

043442943

ABSTRACT:
A demand defrost control system having a timing circuit operable after a duration of time to energize a defrost heater including temperature responsive means for automatically altering the duration of time between defrost cycles.

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patent: 4209994 (1980-07-01), Mueller et al.

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