.sup.3 He-.sup.4 He refrigerator

Details .sup.3 He-.sup.4 He refrigerator .sup.3 He-.sup.4 He refrigerator

1980-03-19

1981-10-27

Capossela, Ronald C.

Refrigeration

Refrigeration producer

Evaporator, e.g., heat exchanger

F25B 1900

Patent

active

042966094

ABSTRACT:
.sup.3 He-.sup.4 He refrigerator in which superfluid .sup.4 He is circulated by a thermomechanical pumping device which is based on the fountain pump effect and which is constructed from several series-arranged fountain pumps.

REFERENCES:
patent: 3835662 (1974-09-01), Staas et al.
Staas, F. A. et al.: "Vorticity in He II and its Application in a Cooling Device", Cryogenics, Dec. 1969, pp. 422-426.
"An Improved Version of the He.sup.3 -He.sup.4 Refrigerator Through Which He.sup.4 is Circulated." Cryogenics, Jan. 1974, pp. 53, 54.

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