Refrigeration system with refrigerant flow controlling valve

Details Refrigeration system with refrigerant flow controlling valve Refrigeration system with refrigerant flow controlling valve

1979-08-13

1981-05-19

Wayner, William E.

Refrigeration

Processes

Compressing, condensing and evaporating

62216, 236 80R, F25B 100, G05D 2300

Patent

active

042677025

ABSTRACT:
A refrigeration system is disclosed having a compressor, a condenser, an evaporator, a refrigerant expansion device, a control for cycling the compressor on and off according to a sensed condition, and a refrigerant flow controlling valve. The flow controlling valve blocks the flow of refrigerant between the condenser and the evaporator when the compressor is cycled off and enables refrigerant flow between the condenser and the evaporator when the compressor is cycled on. The flow control valve includes a refrigerant pressure responsive member movable to condition the valve to block refrigerant flow in response to changes in refrigerant pressure caused by the compressor cycling off and movable to condition the valve to enable refrigerant flow in response to changes in refrigerant pressure caused by the compressor cycling on.

REFERENCES:
patent: 2453439 (1948-11-01), Hubbard
patent: 2882695 (1959-04-01), Zwickl
patent: 3769808 (1973-11-01), Kramer

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