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

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

1977-05-11

1979-01-30

Capossela, Ronald C.

Refrigeration

Refrigeration producer

Compressor-condenser-evaporator circuit

62514R, F25B 100

Patent

active

041365313

ABSTRACT:
A .sup.3 He-.sup.4 He dilution refrigerator is provided with two interconnected mixing chambers arranged at different levels. One end of a superleak opens into concentrated .sup.3 He contained in the upper mixing chamber, while the other end opens into a portion of the apparatus containing dilute .sup.3 He for the supply of superfluid .sup.4 He, via the superleak, to the upper mixing chamber under the influence of the osmotic differential pressure prevailing across the superleak.

REFERENCES:
patent: 3835662 (1974-09-01), Staas et al.
patent: 3922881 (1975-12-01), Staas et al.

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