Variable inlet air restriction for composition control of product gas
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United States of America Patent
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-
Dec 30, 2003
Grant Date -
N/A
app pub date -
Jun 27, 2002
filing date -
Jun 27, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A controller system for a molecular sieve device controls a product gas generated by n molecular sieve beds for separating a gas from an input gas supply. A valve assembly with n states has an input receiving the input gas and n outlets. Each valve state in a first position creates an open passageway from the input of the slide valve to an outlet. Transitioning a valve from the first to a second position creates a variable amount of restriction in the flow of gas between the input and a selected outlet.
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