Coolant reservoir purge system for fuel cell systems and...

Details Coolant reservoir purge system for fuel cell systems and... Coolant reservoir purge system for fuel cell systems and...

2007-03-19

2010-12-07

Ryan, Patrick (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

Fuel cell, subcombination thereof, or method of making or...

Process or means for control of operation

C429S413000, C429S434000, C429S452000

Reexamination Certificate

active

07846603

ABSTRACT:
A fuel cell system that employs a technique for safely removing hydrogen gas that accumulates within a cooling fluid reservoir. The fuel cell system includes a fuel cell stack and a compressor for providing airflow to the cathode side of the fuel cell stack. The system also includes an air filter box having an air filter that is in fluid communication with an air pocket in the reservoir. The air intake to the compressor flows through the air filter box, and sucks the gas from the reservoir, which is then sent to the cathode side of the fuel cell stack to be converted to water by the electro-chemical reaction therein.

REFERENCES:
patent: 5360679 (1994-11-01), Buswell et al.
patent: 6635374 (2003-10-01), Aramaki
patent: 6733910 (2004-05-01), Kralick
patent: 2003/0162066 (2003-08-01), Shiraishi et al.
patent: 2005/0095473 (2005-05-01), Sakakida et al.
patent: 2005/0252791 (2005-11-01), Pechtold et al.
patent: 2007/0175894 (2007-08-01), Pechtold et al.

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