System for defrosting in a heat pump

Details System for defrosting in a heat pump System for defrosting in a heat pump

1974-04-29

1976-04-20

Wayner, William E.

Refrigeration

Automatic control

Preventing, removing or handling atmospheric condensate

62208, 62160, F25D 2106

Patent

active

039509621

ABSTRACT:
A system for defrosting a heat pump system employing a temperature difference type defrosting apparatus, wherein a heat sensitive means is provided at one portion of a pipe connecting an indoor heat exchanger with a four-way valve, and means provided between the pipe and the heat sensitive means for controlling the time required for transmitting the temperature of the pipe to the heat sensitive means. Owing to this system, the defrostation can be completely conducted and the defrosting cycle can terminate as soon as the defrosting has completed.

REFERENCES:
patent: 2968167 (1961-01-01), Raney
patent: 2988896 (1961-06-01), Swart
patent: 3097502 (1963-07-01), Krueger
patent: 3400553 (1968-09-01), Orbesen

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