Refrigeration – Storage of solidified or liquified gas
Patent
1984-03-30
1985-06-11
Capossela, Ronald C.
Refrigeration
Storage of solidified or liquified gas
62 55, 62514R, F17C 100
Patent
active
045220344
ABSTRACT:
An insert for a horizontal cryostat penetration comprises a plurality of foam plugs between which are disposed patches of copper or aluminum foil. The plugs and foil are disposed in a tubular conduit comprising thin wall, low thermal conductivity material. This plug provides thermal insulation and significantly reduces the formation of convection currents in the penetration which would otherwise significantly increase the rate of coolant evaporation. The insert assembly described is designed to be ejected from the penetration upon the build up of excessive internal pressure. The insert is also preferably disposed within another tubular conduit around the exterior of which there is disposed one or more string-shaped helically disposed lengths of sealing material. Accordingly, when this assembly is inserted within a third conduit, a helical coolant vapor path is formed for exterior venting.
REFERENCES:
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patent: 3309884 (1967-03-01), Pauliukonis
patent: 3377813 (1968-04-01), Mordhorst
patent: 3399691 (1968-09-01), Schoch et al.
patent: 3483709 (1969-12-01), Biacher et al.
patent: 3714942 (1973-02-01), Fischel et al.
patent: 4223540 (1980-09-01), Longsworth
Capossela Ronald C.
Cutter Lawrence D.
Davis Jr. James C.
General Electric Company
Snyder Marvin
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