Fuel gas manufacturing apparatus and method of operating same
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United States of America Patent
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Nov 11, 2008
Grant Date -
Aug 25, 2005
app pub date -
Feb 24, 2005
filing date -
Feb 24, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A residual gas supply means includes a residual gas passage connected to a PSA mechanism and a heater, and a branch passage having opposite ends connected to the residual gas passage and branched from the residual gas passage. The residual gas passage has an opening-adjustable valve having an adjustable opening positioned between the connected opposite ends of the branch passage. The branch passage has a check valve, a chamber for storing the residual gas, and an on-off valve.
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