Filling containers with gas

Details Filling containers with gas Filling containers with gas

1999-11-18

2000-10-24

Douglas, Steven O.

Fluent material handling, with receiver or receiver coacting mea

Automatic control of flow cutoff or diversion

Control by test receiver or chamber or by filled preceding...

141197, 141 39, B67C 300

Patent

active

061351709

ABSTRACT:
Methods and apparatus for filling containers with a gas or gas mixture under pressure are disclosed. The apparatus comprises a fixed volume vessel for containing the gas at a pressure P.sub.1, a line extending from the fixed volume vessel to a buffer volume vessel which has a capacity greater than the volume of the container to be filled, a pressure controller for controlling the pressure of the gas in the line so that the gas reaches the buffer volume vessel at a pressure P.sub.2 which is less than P.sub.1, a further line extending from the buffer volume vessel to at least one filling nozzle, and a valve located in the further line for controlling the flow of gas from the buffer volume vessel to the gas capsule to be filled.

REFERENCES:
patent: 3593735 (1971-07-01), Reiher
patent: 5351726 (1994-10-01), Diggins
patent: 5409046 (1995-04-01), Swenson et al.
patent: 5427160 (1995-06-01), Carson et al.
patent: 5454408 (1995-10-01), DiBella et al.
patent: 5586587 (1996-12-01), Leininger et al.
patent: 5901758 (1999-05-01), Hwang et al.
patent: 5992478 (1999-11-01), Micke et al.

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