Refrigeration system with refrigerant flow controlling valve
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United States of America Patent
Stats
-
May 19, 1981
Grant Date -
N/A
app pub date -
Aug 13, 1979
filing date -
Aug 13, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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