Method to detect no coolant flow in a fuel cell system

A method for determining whether a fuel cell stack cooling fluid is flowing at cold fuel cell system start-up. The method monitors the temperature of the cooling fluid outside of the fuel cell stack, and determines whether the temperature of the cooling fluid is increasing properly as the temperatur...

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Bibliographische Detailangaben
Hauptverfasser: ROGAHN AARON, RAINVILLE JOSEPH D, GERZSENY JOSEPH C, DEVRIES LOREN
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A method for determining whether a fuel cell stack cooling fluid is flowing at cold fuel cell system start-up. The method monitors the temperature of the cooling fluid outside of the fuel cell stack, and determines whether the temperature of the cooling fluid is increasing properly as the temperature of the stack increases.