Defrost control system

Details Defrost control system Defrost control system

1981-12-14

1983-08-02

Makay, Albert J.

Refrigeration

Automatic control

Preventing, removing or handling atmospheric condensate

62176A, 62234, F25D 2106

Patent

active

043958877

ABSTRACT:
A defrost control system is provided for initiating one or more (defrost) timing cycles each at a different time and for terminating the cycles at the end of their respective predetermined (defrost) periods. The unit generally includes a solid-state, microprocessor based, programmable twenty-four hour timer, and a display panel. The system also includes a proportional defrost module which measures the absolute humidity of the atmosphere and adjusts the defrost initiate time(s) in accordance therewith.

REFERENCES:
patent: 3523244 (1970-08-01), Goodman et al.
patent: 4206612 (1980-06-01), Gardner
patent: 4209994 (1980-06-01), Mueller et al.
patent: 4251999 (1981-02-01), Tanaka

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