Cryogenic cooler having telescoping multistage regenerator-displ

Details Cryogenic cooler having telescoping multistage regenerator-displ Cryogenic cooler having telescoping multistage regenerator-displ

1980-04-16

1981-07-14

Capossela, Ronald C.

Refrigeration

Gas compression, heat regeneration and expansion, e.g.,...

F25B 900

Patent

active

042779472

ABSTRACT:
A cryogenic cooler having multistage telescoping in-line regenerator-dispers in which the regenerator-displacer stages are progressively smaller from a pressure wave input end to the output cold end. Each stage from the input toward the output functions to produce a plurality of precooled expansion volumes for progressively lowering the temperatures at the input environment of each subsequent regenerator-displacer stage to maintain a temperature of about 8.degree. Kelvin at the output end of the cooler. Cooling concepts in which the multistage telescoping in-line regenerator-displacer may be used are the integral cycle, the split cycle, and dual fluidly control motion cycle.

REFERENCES:
patent: 3333433 (1967-08-01), Chellis
patent: 3372554 (1968-03-01), Prastet al.
patent: 3383872 (1968-05-01), Kohler
patent: 3969907 (1976-07-01), Doody
patent: 4036027 (1979-07-01), Bamberg
patent: 4060996 (1977-08-01), Hanson
patent: 4078389 (1978-03-01), Bamberg
patent: 4143520 (1979-03-01), Zimmerman
patent: 4206609 (1980-06-01), Durenec

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