Dewar for storing and delivering liquid cryogen

Details Dewar for storing and delivering liquid cryogen Dewar for storing and delivering liquid cryogen

1995-08-08

1997-04-15

Doerrler, William

Refrigeration

Storage of solidified or liquified gas

Liquified gas transferred as liquid

62 507, 622593, 62 492, F17C 1300, F25D 2312

Patent

active

056198574

ABSTRACT:
Disclosed is an apparatus for storing and delivering a liquid cryogen. The apparatus is a dewar having a rotating liquid cryogen intake, a rotating gas supply/vent, and a rotating capacitance gauge. The rotating capacitance gauge comprises two elongated plates having outer edges shaped concentrically with the inner profile of the dewar on both ends that are electrically isolated from but fastened to one another with a small gap therebetween and electrical leads to the exterior of the dewar.

REFERENCES:
patent: 3869871 (1975-03-01), Rybalko et al.
patent: 5438837 (1995-08-01), Caldwell et al.

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