Fuel cell system

Details Fuel cell system Fuel cell system

2011-03-29

2011-03-29

Kalafut, Stephen J. (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

C429S444000

Reexamination Certificate

active

07914936

ABSTRACT:
A fuel cell system including a fuel supply control mechanism, which is disposed between the fuel tank and the fuel cell, capable of interrupting the supply of the fuel; and a temperature sensor provided to a circuit connecting the fuel supply control mechanism to the fuel cell for changing a resistance according to at least one of a temperature of the power generation of the fuel cell and a temperature of an electronic device supplied with electric power from the fuel cell. The fuel supply control mechanism is operated by a change in the resistance of the temperature sensor so that the supply of the fuel is interrupted. The system enables more reliably the interruption of a supply of fuel by a passive structure in a control when a temperature of a power generation portion of the fuel cell exceeds an allowable range.

REFERENCES:
patent: 5769622 (1998-06-01), Aoki et al.
patent: 7079003 (2006-07-01), Furuta et al.
patent: 2006/0141307 (2006-06-01), Ryoichi et al.
patent: 2006/0199053 (2006-09-01), An et al.
patent: 2008/0075990 (2008-03-01), Isozaki et al.
patent: 9-147895 (1997-06-01), None
patent: 2001-229942 (2001-08-01), None

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