Method and apparatus for storing and dispensing a liquid compose

Details Method and apparatus for storing and dispensing a liquid compose Method and apparatus for storing and dispensing a liquid compose

1998-07-30

1999-12-14

Capossela, Ronald

Refrigeration

Storage of solidified or liquified gas

With vapor discharged from storage receptacle

62 492, 62 502, F17C 704

Patent

active

060002263

ABSTRACT:
A method and apparatus for storing and dispensing a liquid consisting of an oxygen containing mixture so that the liquid will not contain any more than a predetermined concentration of the oxygen at a predetermined pressure. In accordance with the invention, the mixture is introduced into the container at a specified initial concentration. A hypothetical volume of the saturated state of the liquid having the initial concentration is computed that when expanded into the total volume of the container, the resulting liquid would have the maximum enrichment. The liquid is dispensed from a bottom region of the container and dispensing is prevented when the liquid remaining within the container could possibly have the maximum enrichment computed at a particular dispensing pressure. Pressure relief methods are employed that avoid head space vapor being vented.

REFERENCES:
patent: 5571231 (1996-11-01), Lee
patent: 5579646 (1996-12-01), Lee
patent: 5778680 (1998-07-01), Wardle

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