Refrigerating systems having differential valve to control conde

Refrigeration – Automatic control – Refrigeration producer

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Details

62222, 62DIG17, F25B 4104

Patent

active

045079340

ABSTRACT:
In a refrigerating system comprising a compressor, a condenser, a capillary tube, and an evaporator, there are provided a check valve on an inlet side of the condenser for preventing a reverse flow of refrigerant from the condenser to the compressor, and a differential valve connected to a delivery side of the condenser. One port of the differential valve is connected with the delivery side of the compressor, so that the differential valve interrupts the flow of the refrigerant from the condenser to the capillary tube upon interruption of the operation of the compressor thereby to improve the operational efficiency of the refrigerating system when the system is started again.

REFERENCES:
patent: 1880653 (1932-10-01), Baars
patent: 2265282 (1941-12-01), Heinrich
patent: 2331264 (1943-10-01), Carter
patent: 3037362 (1962-06-01), Tilney et al.

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