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Low power nitrogen enriched air generation system

  • US 6,913,636 B2
  • Filed: 12/17/2002
  • Issued: 07/05/2005
  • Est. Priority Date: 12/17/2002
  • Status: Expired due to Term
First Claim
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1. A method of removing oxygen from air within a fuel distribution system comprising the steps of:

  • a. compressing air from a first pressure to a second pressure higher than the first pressure with a first compressor;

    b. compressing air at said second pressure to a third pressure higher than said second pressure with a second compressor;

    c. removing oxygen from said air with an air separation module;

    d. driving said second compressor with energy recovered from said air at said third pressure by a turbine receiving air at said third pressure at an inlet and exhausting air at a fourth pressure lower than said third pressure to the fuel distribution system.

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