Fill means for cryogenic flasks

Details Fill means for cryogenic flasks Fill means for cryogenic flasks

1983-11-30

1986-02-18

Marcus, Stephen

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Vent in closure

141 97, F17C 600

Patent

active

045708193

ABSTRACT:
Methods and structures are provided for filling cryogenic flasks such as those used in portable, liquid oxygen therapy systems. A circular baffle plate is disposed within the flask neck near the bottom thereof and is sized to allow a narrow annular opening between the baffle edge and the flask neck wall. The liquid fill line is extended downwardly through the baffle plate, so as to discharge liquid below the plate. The baffle plate functions to provide a gas-liquid separation zone within the flask neck; to provide a radiation shield while liquid is present in the flask; and to provide a gas trap to minimize liquid venting in case of tip-over.

REFERENCES:
patent: 4211086 (1980-07-01), Leonard et al.

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