Dual flow expansion device for heat pump system

Details Dual flow expansion device for heat pump system Dual flow expansion device for heat pump system

1990-05-14

1991-10-01

Bennett, Henry A.

Refrigeration

Reversible, i.e., heat pump

With flow control or compressor details

62528, 62222, 1374938, F25B 1300

Patent

active

050521926

ABSTRACT:
A mechanical refrigerant expansion valve meters the flow of refrigerant therethrough in one direction through an orifice that varies in cross-sectional area as a function of the pressure differential across the valve. The same valve controls refrigerant flow in the other direction through a fixed area metering orifice.

REFERENCES:
patent: 3404542 (1968-10-01), Fineblum
patent: 4341090 (1982-07-01), Ramakrishnan

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