Refrigeration – Automatic control – Preventing – removing or handling atmospheric condensate
Patent
1975-07-07
1976-11-23
Wayner, William E.
Refrigeration
Automatic control
Preventing, removing or handling atmospheric condensate
62 80, F25D 2102
Patent
active
039928950
ABSTRACT:
A defrost control system for the defrosting evaporators of a refrigeration system which utilizes a first timer which runs continuously and attempts to initiate evaporator defrost at predetermined times and a second timer which accumulates compressor operating time and prevents defrost initiation by the first timer at those preselected times until a predetermined period of operation of the refrigerating system has occurred.
REFERENCES:
patent: 3894404 (1975-07-01), Stanton
Kramer Daniel E.
Wayner William E.
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