Chemistry: electrical current producing apparatus – product – and – Fuel cell – subcombination thereof – or method of making or... – Process or means for producing – recycling – or treating...
Reexamination Certificate
2006-02-02
2010-12-28
Michener, Jennifer (Department: 1795)
Chemistry: electrical current producing apparatus, product, and
Fuel cell, subcombination thereof, or method of making or...
Process or means for producing, recycling, or treating...
C429S431000
Reexamination Certificate
active
07858248
ABSTRACT:
A fuel cell system has a fuel cell stack, a controller, and a cooling water channel. The controller executes the control for the temperature of cooling water flowing through the cooling water channel in the fuel cell stack. When judging the necessity to increase an oxygen concentration of air at an area near an air outlet of the air channel, the controller instructs to change a temperature of the cooling water to a condense available temperature at which water vapor involved in the air at the area near the air outlet can be condensed in order to increase the oxygen concentration in the air at the area near the air outlet. As a result, the magnitude of the electric power generated by the fuel cell stack is increased efficiently.
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patent: 2005/0136306 (2005-06-01), Sugiura et al.
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patent: A-2002-100381 (2002-04-01), None
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patent: A 2003-229165 (2003-08-01), None
Aug. 24, 2010 Office Action issued in corresponding Japanese Patent Application No. 2005-027713 (with translation).
Denso Corporation
Michener Jennifer
Oliff & Berridg,e PLC
Wills Monique
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