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Energy supply system for supplying energy to aircraft systems

  • US 8,569,906 B2
  • Filed: 09/27/2006
  • Issued: 10/29/2013
  • Est. Priority Date: 09/29/2005
  • Status: Expired due to Fees
First Claim
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1. An energy supply system for energy supply of at least one consumer in an aircraft, the energy supply system comprising:

  • at least one fuel cell;

    at least one electrical energy storage device; and

    at least one gas turbine serving as an auxiliary power unit for providing electrical power to consumers in the aircraft,wherein the at least one fuel cell is coupled to the at least one electrical energy storage device such that the at least one electrical energy storage device can be charged by the fuel cell,wherein the at least one electrical energy storage device is arranged as a buffer storage device between the at least one fuel cell and the at least one consumer, andwherein the electrical energy storage device is configured to provide electrical power to the gas turbine in a start-up phase of the gas turbine.

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