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Method for localising a gas leak in a fuel cell system

  • US 20040234826A1
  • Filed: 01/30/2004
  • Published: 11/25/2004
  • Est. Priority Date: 08/01/2001
  • Status: Abandoned Application
First Claim
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1. A method for localizing a gas leak in a fuel cell system having a number of fuel cells, comprising:

  • supplying fuel gas to an anode gas space of the fuel cells and supplying oxidation gas to a cathode gas space of the fuel cells;

    interrupting the supply of operating gas to at least one of the two gas spaces of the fuel cells;

    purging the gas space of the fuel cells, from which the operating gas supply has been disconnected, with an inert gas; and

    monitoring the cell voltage of the fuel cells, wherein the fuel cells are in electrical contact with a discharge resistor.

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