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System and Method for Initiating Operation of a Fuel Cell Hybrid Vehicle

  • US 20100133029A1
  • Filed: 09/24/2009
  • Published: 06/03/2010
  • Est. Priority Date: 09/24/2009
  • Status: Active Grant
First Claim
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1. A method for starting up a fuel cell hybrid electric vehicle, the fuel cell hybrid electric vehicle having a battery, an air delivery compressor, an ultracapacitor-based propulsion energy storage, at least one DC-to-DC converter, and at least one electric propulsion motor, the method comprising:

  • electrically connecting the battery to the propulsion energy storage;

    charging the propulsion energy storage with the battery to a predetermined level associated with powering an air delivery compressor;

    disconnecting the battery from the propulsion energy storage;

    electrically connecting the propulsion energy storage to the air delivery compressor;

    operating the air delivery compressor using charge from the propulsion energy storage to provide a predetermined quantity of air to the fuel cell; and

    causing the fuel cell to generate electricity.

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