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Estimating coolant conductivity in a multi-voltage fuel cell system without disconnecting contactors |
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2018-01-30 |
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Power converter with diagnostic unit power supply output |
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Estimating coolant conductivity in a multi-voltage fuel cell system |
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2015-06-30 |
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Method for the detection of fuel cell system short circuits |
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2015-06-02 |
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Life extension of PEM fuel cell using startup method |
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2014-09-09 |
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Stack-powered fuel cell monitoring device with prioritized arbitration |
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Fuel cell voltage unit for detecting a failed plate connection |
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System and method for shorting a fuel cell stack |
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PTC element as a self regulating start resistor for a fuel cell stack |
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Optical fuel cell stack cell voltage monitor |
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Method and apparatus for measurement of fuel cell high frequency resistance in the presence of large undesirable signals |
David D. Rea, Kenneth L. Kaye, Michael F. Zawisa, Clark G. Hochgraf |
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Metallic substrates for high temperature superconductors |
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2002-09-24 |
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pH pen case design |
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1994-10-25 |