Refrigeration – Processes – Compressing – condensing and evaporating
Patent
1981-09-03
1983-01-25
Capossela, Ronald C.
Refrigeration
Processes
Compressing, condensing and evaporating
62510, 417254, 417349, 417374, F25B 500
Patent
active
043696333
ABSTRACT:
A multiple stage compression system, as used in refrigeration apparatus, includes an injection assembly for flash gas resulting from expansion of high-pressure liquid refrigerant. The vapor fraction of the expanded mixture of vapor and liquid is injected by the injection assembly into a compression chamber therefor, and the repressurized vapor fraction mixed with the output of a high pressure compression stage to provide the high-pressure refrigerant. The assembly is removably attached to the compressor, and includes valved passages for the flash gas to and from the compression chamber therefor. The flash gas compression chamber is integrally formed within a piston of the high pressure compression stage for the refrigerant.
REFERENCES:
patent: 880125 (1908-02-01), Christensen
patent: 2031237 (1936-02-01), Terry
patent: 2461760 (1949-02-01), Newton
patent: 2497450 (1950-02-01), Gygax
patent: 2677944 (1954-05-01), Ruff
patent: 2719409 (1955-10-01), Rayburn
patent: 2992636 (1961-07-01), Sampietro
patent: 3552137 (1971-01-01), Christensen et al.
patent: 4173433 (1979-11-01), Anderson
patent: 4239460 (1980-12-01), Golz
"Principal of Refrigeration", Second Edition, R. J. Dossat, John Wiley & Sons, Inc., New York, N.Y. 1978, pp. 525-536.
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