Refrigerant mass flow control at low ambient temperatures

Details Refrigerant mass flow control at low ambient temperatures Refrigerant mass flow control at low ambient temperatures

1975-03-07

1976-08-31

King, Lloyd L.

Refrigeration

Processes

Compressing, condensing and evaporating

62504, 62525, F25B 500, F25B 3902

Patent

active

039772055

ABSTRACT:
This invention relates to a refrigeration system having an air-cooled condenser and more particularly to maintaining an adequate mass flow of refrigerant to the evaporator at low high-side pressures resulting from low ambient temperatures, by providing a dual refrigerant distributor system, refrigerant being metered through only one distributor when the high-side pressure is at or above a predetermined level and refrigerant being metered through both distributors when the high-side pressure drops below the predetermined level.

REFERENCES:
patent: 2053945 (1936-09-01), Cowin
patent: 2332981 (1943-10-01), Anderson
patent: 3371500 (1968-03-01), Marcus, Jr.
patent: 3563055 (1971-02-01), Owens
patent: 3866439 (1975-02-01), Bussjager et al.

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