Light end enhanced refrigeration loop

Details Light end enhanced refrigeration loop Light end enhanced refrigeration loop

1991-09-06

1992-10-27

Capossela, Ronald C.

Refrigeration

Processes

Circulating external gas

62 23, 62335, F25J 300

Patent

active

051579251

ABSTRACT:
This invention relates to a closed-loop, multi-stage compression refrigeration system which uses a multi-component refrigerant wherein the compressed refrigerant is partially condensed, and the vapor and liquid streams are separated in a primary separator. The liquid stream passes through several expansion stages, providing a refrigeration duty at each stage. That portion of the refrigerant which is vaporized is recycled to an intermediate stage of the multi-stage compressor. The vapor from the primary separator, which is rich in the light component, is condensed and expanded to the lowest stage of refrigeration, providing maximum refrigeration duty for a given refrigerant composition and compressor suction pressure.

REFERENCES:
patent: 2581558 (1952-01-01), Ruhemann
patent: 3203194 (1965-08-01), Fuderer
patent: 3218816 (1965-11-01), Grenier
patent: 3675435 (1972-07-01), Jackson et al.
patent: 3768273 (1973-10-01), Missimer
patent: 3932156 (1976-01-01), Stern
patent: 4140504 (1979-02-01), Campbell et al.
patent: 4155729 (1979-05-01), Gray et al.
patent: 4303427 (1981-12-01), Krieger
patent: 4548629 (1985-10-01), Chiu
patent: 4711651 (1987-12-01), Sharma et al.

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