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Device for a fuel cell supply

  • US 7,374,833 B2
  • Filed: 02/03/2004
  • Issued: 05/20/2008
  • Est. Priority Date: 02/04/2003
  • Status: Expired due to Fees
First Claim
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1. A device for air supply of a fuel cell comprising:

  • an expander,a compressor that is at least partially driven thereby,a burner producing hot gases of combustion that at least occasionally flow through the expander, anda heat exchanger disposed between the expander and the burner that transfers at least a portion of thermal residual energy remaining in the hot gases, after flowing through the expander, to at least one of air and cathode output supplied for combustion,wherein the heat exchanger receives exhaust gases from the expander as well as air that flows through the heat exchanger for combustion.

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