Fuel cell system and start-up method

Details Fuel cell system and start-up method Fuel cell system and start-up method

2007-09-21

2010-10-05

Ryan, Patrick (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

Fuel cell, subcombination thereof, or method of making or...

Process or means for control of operation

C429S443000, C429S428000, C429S429000, C429S456000, C429S050000

Reexamination Certificate

active

07807308

ABSTRACT:
A fuel cell system including a fuel cell stack having a plurality of fuel cells is provided. An anode supply manifold and an anode exhaust manifold are in fluid communication with the anodes of the plurality of fuel cells. A first valve is in fluid communication with the anode supply manifold and a second valve is in fluid communication with the anode exhaust manifold. A pressure sensor is adapted to measure an anode pressure. In operation, the first valve and the second valve are controlled in response to the anode pressure, thereby militating against an undesired exhausting of an anode supply stream.

REFERENCES:
patent: 6913845 (2005-07-01), Bekkedahl et al.
patent: 2005/0118487 (2005-06-01), Whiton et al.
patent: 2005/0129999 (2005-06-01), Geschwindt et al.
patent: 2006/0240302 (2006-10-01), Senner et al.
patent: 2007/0224463 (2007-09-01), Morita
patent: 2009/0226783 (2009-09-01), Hasegawa
patent: 2003243007 (2003-08-01), None
patent: WO 2007/013453 (2007-02-01), None

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