Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Reexamination Certificate
2005-01-25
2005-01-25
Alejandro, Raymond (Department: 1745)
Chemistry: electrical current producing apparatus, product, and
With pressure equalizing means for liquid immersion operation
C429S006000, C429S010000, C417S474000, C417S395000, C251S149000
Reexamination Certificate
active
06846587
ABSTRACT:
An anode stream recirculation system for a fuel cell, the fuel cell including an anode gas input and an anode gas output, the anode stream recirculation system comprising: an anode gas supply; a switch connected with the anode gas supply; a pressure regulating device connected between the switch and the anode gas input of the fuel cell; a diaphragm pump connected between the anode gas output and the anode gas input of the fuel cell thereby forming an anode gas recirculation; wherein the diaphragm pump has at least a sensor electrically connected with the switch.
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Japanese Office Action for Patent Application No. 2002-38677, 3 pages, Sep. 17, 2002.
Alejandro Raymond
Asia Pacific Fuel Cell Technologies, Ltd.
Rosenberg , Klein & Lee
LandOfFree
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