System and method for early detection of contaminants in a fuel processing system
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United States of America Patent
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Sep 17, 2002
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N/A
app pub date -
Jan 3, 2000
filing date -
Jan 3, 2000
priority date (Note) -
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Abstract
A system and method for preventing damage to a fuel cell stack resulting from impurities in the product stream from a fuel processor, such as may occur should the separation region of the fuel processor fail. The system and method include detecting the concentration of at least one component of the product stream and isolating the fuel cell stack should this concentration exceed an acceptable threshold level. Examples of impurities in the product stream include; carbon monoxide, carbon dioxide, methane and water.
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