Structure and method for indicating undesirable constituents in a fuel cell system
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United States of America Patent
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Jan 2, 2018
Grant Date -
Jul 9, 2015
app pub date -
Jan 5, 2015
filing date -
Jan 6, 2014
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Abstract
An optical detection system for detecting undesirable constituents in a fuel cell system includes a sensing material configured to change color in the presence of the undesirable constituents and at least one sensor configured to register the change in color of the sensing material. The sensor is coupled to a corresponding light source. The sensing material, the sensor and the light source are enclosed in a housing.
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