Disc-type automatic expansion valve for refrigerant

Details Disc-type automatic expansion valve for refrigerant Disc-type automatic expansion valve for refrigerant

1975-04-18

1976-08-10

Wayner, William E.

Refrigeration

Refrigeration producer

Evaporator, e.g., heat exchanger

62222, 137517, 137859, 138 45, F25B 4106

Patent

active

039734102

ABSTRACT:
An automatic expansion valve for controlling refrigerant flow from a condenser to an evaporator in which the valve includes an apertured deflectable disc which defines the refrigerant expanson orifice with other structure within the valve, and with the flow passage arrangement in the valve body being such as to subject the upstream face of the disc to the pressure of the liquid refrigerant, and the downstream face of the disc to the pressure of the expanded vaporous refrigerant so that the disc deflects in accordance with the differential pressure on the opposite faces and accordingly effects changes in the effective opening of the expansion orifice.

REFERENCES:
patent: 1786110 (1930-12-01), Gunn
patent: 2481968 (1949-09-01), Atchison
patent: 3110527 (1963-11-01), Fox

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