SYSTEM AND METHOD FOR PURGING A FUEL CELL SYSTEM
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United States of America Patent
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Issued Date -
Jun 13, 2013
app pub date -
Dec 10, 2012
filing date -
Dec 9, 2011
priority date (Note) -
Abandoned
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Abstract
A method for purging non-fuel gasses from a fuel supply of a fuel cell system, including measuring a first parameter indicative of fuel concentration within the fuel supply, in response to the first parameter measurement satisfying a purge condition, wherein the purge condition is satisfied when the first parameter measurement is indicative of the fuel concentration below a predetermined concentration threshold, opening a purge valve fluidly coupled to the fuel supply and generating a purging pressure within the fuel supply to purge the fuel supply, measuring a second parameter indicative of purge completion, and in response to the second parameter measurement satisfying a purge completion condition, closing the purge valve.
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