Process and apparatus for two-stage supercharging of process air for a fuel cell
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United States of America Patent
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Feb 26, 2002
Grant Date -
N/A
app pub date -
Dec 8, 1999
filing date -
Dec 8, 1998
priority date (Note) -
Expired
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Abstract
In a process and apparatus for two-stage supercharging of process air for a fuel cell, in one of the two charging stages, supercharging taking place by means of a displacement machine. In the other charging stage, supercharging is performed by means of a combined expansion and compression machine. Energy is recovered from the exhaust gas of a fuel cell by means of the combined expansion and compression machine.
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