Refrigeration method and apparatus by converting .sup.4 He to A

Details Refrigeration method and apparatus by converting .sup.4 He to A Refrigeration method and apparatus by converting .sup.4 He to A

1975-02-21

1976-09-07

O'Dea, William F.

Refrigeration

Processes

Transferring heat between diverse function portions of...

62502, 62514R, F25B 4100

Patent

active

039786820

ABSTRACT:
A refrigerator operable with an evaporation chamber and superfluid .sup.4 He II for temperatures below the .lambda.-point of helium, and means for preventing the .sup.4 He II from creeping upward out of the evaporation chamber.

REFERENCES:
patent: 3427817 (1969-02-01), Rietdijk
patent: 3447339 (1969-06-01), Rietdijk
patent: 3678704 (1972-07-01), Staas
patent: 3713305 (1973-01-01), Staas et al.

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