Pressure relief control system for a fuel cell system having a pressurized fuel flow
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United States of America Patent
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Feb 22, 2011
Grant Date -
Jan 17, 2008
app pub date -
Jun 28, 2007
filing date -
Jun 28, 2006
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Abstract
A fuel cell-based system includes an electromechanical pressure relief system to prevent an overpressure condition from damaging the anode circuit of a fuel cell stack or creating a hazardous environment. Upon detection of a fuel flow pressure in a fuel path between a fuel source and the fuel cell stack, the pressure relief system isolates the anode circuit from the fuel path, vents the fuel flow, and shuts down the fuel cell system.
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