Low cost cryostat

Details Low cost cryostat Low cost cryostat

1979-03-29

1980-08-26

Capossela, Ronald C.

Refrigeration

Refrigeration producer

Evaporator, e.g., heat exchanger

165105, F25B 1900

Patent

active

042188920

ABSTRACT:
An improved cryostat for use in a low or a substantially gravity-free environment adapted to cool an experiment through the use of helium II, or helium in its super fluid state. The cryostat is characterized by a plurality of interchangeable daughter dewars and helium supply or mother dewar having connected therewith a low pressure venting system for converting helium I contained therein to a super fluid state for use as a primary cryogen. Each daughter dewar is adapted to be removably mounted in mated relation on the mother dewar and is characterized by a support for an experiment package, a source of helium to be employed as a secondary cryogen, and a heat pipe suspended therefrom and adapted to be extended into the mother dewar for facilitating cooling of the secondary cryogen whereby a transfer of heat from the package to the primary cryogen, via the secondary cryogen, is accommodated as a film flow of helium II progresses from the heat pipe to the experiment dewar.

REFERENCES:
patent: 3216210 (1965-11-01), Klipping
patent: 3358472 (1967-12-01), Klipping
patent: 3609992 (1971-10-01), Cacheux
patent: 3611746 (1971-10-01), Marsing et al.
patent: 3742729 (1973-07-01), Zulliger
patent: 3884296 (1975-05-01), Basiulis
patent: 3894403 (1975-07-01), Longsworth

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