Cryogenic liquefaction

Details Cryogenic liquefaction Cryogenic liquefaction

1977-07-08

1979-02-27

Yudkoff, Norman

Refrigeration

Using electrical or magnetic effect

Thermoelectric; e.g., peltier effect

62 40, 62 39, F25J 102, F25J 304

Patent

active

041417070

ABSTRACT:
In a process for the liquefaction of air or of primary components thereof comprising passing liquefied closed-cycle refrigeration medium in indirect heat exchange relationship with said air or primary components thereof, and wherein the refrigeration value of the closed-cycle medium is produced by compressing said medium, partially condensing compressed medium in several indirect heat exchange stages, and wherein condensate from each stage is expanded, reheated, and revaporized in said indirect heat exchange stages counter-currently to the cycle medium being partially condensed, and the revaporized medium is recompressed,

REFERENCES:
patent: 2265558 (1941-12-01), Ward et al.
patent: 3194025 (1965-07-01), Grossman
patent: 3205669 (1965-09-01), Grossman
patent: 3645106 (1972-02-01), Gaumer et al.
Progress in Refrigeration Science and Technology, Jul and Jul, pp. 34-39, Pergamon Press, 1960.

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