Fuel cell system with air cooling device

Details Fuel cell system with air cooling device Fuel cell system with air cooling device

2006-03-07

2006-03-07

Ryan, Patrick Joseph (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

C429S006000, C429S010000

Reexamination Certificate

active

07008710

ABSTRACT:
A fuel cell system includes a fuel cell stack, an air supply system including a blower for driving the air to the fuel cell stack and an air humidifier for humidifying the air supplied to the fuel cell stack, a hydrogen supply system including a hydrogen storage and a pressure regulating device, and a hydrogen recirculator for receiving excessive hydrogen from the fuel cell stack and forcing the hydrogen back into the fuel cell stack in order to induce a hydrogen flow inside the fuel cell stack. A control circuit electrically controls the flow and pressure regulating device for regulating the hydrogen flow to the fuel cell stack and electrically controls the blower to regulate the air flows to the fuel cell stack and the air humidifier.

REFERENCES:
patent: 5059494 (1991-10-01), Vartanian et al.
patent: 5082752 (1992-01-01), Koga et al.
patent: 5084363 (1992-01-01), Reiser
patent: 6500573 (2002-12-01), Simazu et al.
patent: 6663900 (2003-12-01), DeFreitas et al.
patent: 2003/0203258 (2003-10-01), Yang et al.

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