Automatic expansion valve for refrigerant

Details Automatic expansion valve for refrigerant Automatic expansion valve for refrigerant

1974-10-03

1976-04-27

Wayner, William E.

Refrigeration

Automatic control

Refrigeration producer

62527, 138 45, F25B 4104

Patent

active

039525350

ABSTRACT:
An automatic expansion valve for controlling refrigerant flow from a condenser to an evaporator in which the valve includes a deflectable member which defines a refrigerant expansion orifice with other structure within the valve, and with the flow passage arrangement in the valve body being such as to subject at least part of the opposite faces of the deflectable member to the different pressures resulting from refrigerant flow through the expansion orifice so that changes in the deflection of the deflectable member are in accordance with differential pressure across the orifice and accordingly effects changes in the effective opening of the expansion orifice.

REFERENCES:
patent: 1786110 (1930-12-01), Gunn
patent: 2289905 (1942-07-01), Dasher
patent: 2481968 (1949-09-01), Atchison
patent: 3010309 (1961-11-01), Lee
patent: 3194272 (1965-07-01), Kogan et al.
Staebler, L. A. --"Theory and Use of a Capillary Tube for Liquid Refrigerant Control" --Jan. 1948--pp. 55-59.

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