Device for injecting gas under high pressure and high flow rate into an airtight treatment chamber and for recovery of the same
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United States of America Patent
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May 28, 1991
Grant Date -
N/A
app pub date -
Mar 16, 1990
filing date -
Mar 17, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A device provided for filling a treatment chamber (1) with a compressed gas and for evacuating gas present in the treatment chamber and storing the same includes a gas storage tank (2) that has a rigid tank (3) and an elastic tank (4) inside it, a first pipe (5) with a first valve (6) coupling the elastic tank to the chamber, a second pipe (11) coupling the elastic tank to the treatment chamber (1) through a pumping means (12), and compressed air inlet (9) for filling with compressed air a space (7) between the elastic tank (4) and the rigid tank (3), and a second valve (13) allowing space (7) to be vented.
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