Chemistry: electrical current producing apparatus – product – and – Fuel cell – subcombination thereof – or method of making or... – Process or means for control of operation
Reexamination Certificate
2006-11-13
2011-10-18
Gilliam, Barbara (Department: 1727)
Chemistry: electrical current producing apparatus, product, and
Fuel cell, subcombination thereof, or method of making or...
Process or means for control of operation
C429S430000, C429S443000
Reexamination Certificate
active
08039155
ABSTRACT:
A fuel-cell system is provided, which includes a fuel cell, a reactive-gas supply unit and a control unit. The reactive-gas supply unit supplies the reactive gases to the fuel cell. The control unit includes an average stoichiometric flow-ratio calculation part and a reactive-gas reduction part. The average stoichiometric flow-ratio calculation part calculates an average stoichiometric flow ratio by averaging stoichiometric flow ratios. A stoichiometric flow ratio is a ratio of an amount of the reactive gases supplied to the fuel cell with respect to a required amount of the reactive gases of the fuel cell in accordance with a required amount of power generation. When the average stoichiometric flow ratio is equal to or greater than a first predetermined value, the reactive-gas reduction part reduces the amount of the reactive gases supplied to the fuel cell so as to lower the stoichiometric flow ratio.
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Japanese Office Action for Application No. 2005-331611, dated Mar. 16, 2010.
Matsumoto Yuji
Ueda Kenichiro
Uehara Junji
Arciero Adam A
Gilliam Barbara
Honda Motor Co. Ltd.
Laurentano Anthony A.
Nelson Mullins Riley & Scarborough LLP
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