Low temperature regenerators for cryogenic coolers

Details Low temperature regenerators for cryogenic coolers Low temperature regenerators for cryogenic coolers

1981-09-15

1982-11-23

Capossela, Ronald C.

Refrigeration

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

165 10, F25B 902

Patent

active

043598722

ABSTRACT:
A regenerator for a closed thermodynamic cycle cryogenic cooler is made of a vessel containing helium. The helium may be contained in, for example, hollow glass spheres or hollow metal tubing. The pressure of the helium in the vessel and the size of the regenerator are chosen to assure that the mass of helium in the regenerator exceeds the mass of helium in the working gas which passes through the regenerator in the operation of the cooler. Closed thermodynamic cycles in which the helium-containing regenerators can be used include the Stirling cycle and the Vuilleumier cycle.

REFERENCES:
patent: 3304999 (1964-12-01), Ward
patent: 3372735 (1968-03-01), Meijer
patent: 3678992 (1972-07-01), Daniels
patent: 3692095 (1972-09-01), Fleming
patent: 3692099 (1972-09-01), Nesbitt et al.
"Regenerators in Cryogenic Refrigeration," Report AFFDL-TR-68-143, pp. 29-38, (AD844687) from Defense Technical Information Center (1969).

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