Controlling fuel cell fuel purge in response to recycle fuel blower operating conditions
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United States of America Patent
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Issued Date -
Jan 5, 2006
app pub date -
Jul 1, 2004
filing date -
Jul 1, 2004
priority date (Note) -
Abandoned
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Abstract
A fuel cell power plant fuel purge valve (26) is controlled in response to a parameter (40, 40a) of a fuel recycle blower which is indicative (20) of the recycle fuel impelled thereby, either alone or together with load current (33), pressure rise of the blower (50, 51), and temperature of the fuel recycle gas (44), to provide a pulse width modulation-control signal (28) controlling the purge valve.
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