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Consumption-based fuel cell monitoring and control

  • US 20050266284A1
  • Filed: 05/28/2004
  • Published: 12/01/2005
  • Est. Priority Date: 05/28/2004
  • Status: Active Grant
First Claim
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1. A fuel cell system comprising:

  • a fuel source adapted to provide supply fuel at a supply pressure;

    a fuel cell stack including at least one fuel cell, wherein the fuel cell stack is adapted to receive the supply fuel, to produce electrical current from the received supply fuel, and to discharge unused fuel at an exit pressure; and

    a control system adapted to detect the exit pressure and to determine the flow of unused fuel based on the exit pressure.

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