Method of and apparatus for the generation of cold

Details Method of and apparatus for the generation of cold Method of and apparatus for the generation of cold

1978-03-15

1979-10-02

King, Lloyd L.

Refrigeration

Air compressor, cooler and expander type

Motor-type expander

62503, 62504, 62511, 138 40, F25D 900, F25B 4300, F25B 3902, F25B 4106

Patent

active

041693612

ABSTRACT:
Cold is generated, according to the invention, by compressing a refrigerant and expanding the refrigerant isentropically in a nozzle. Advantageously at least a part of the expanded refrigerant is passed in indirect heat exchanging relationship with the portion of the refrigerant prior to expansion. An expansion machine can be used to work-expand a portion of the compressed refrigerant with the expanded gas returned to the compressor. The balance of the compressed stream is expanded in the nozzle.

REFERENCES:
patent: 2393854 (1946-01-01), Carpenter
patent: 2990698 (1961-07-01), Crotser
patent: 3283524 (1966-11-01), Byron
patent: 3872687 (1975-03-01), Bottum et al.
patent: 3889485 (1975-06-01), Swearingen
Engineering Thermodynamics, Textbook, Herman J. Stoever, copyright 1951 by John Wiley & Sons, pp. 381-383 & 354-357.

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