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INTERCOOLED COOLING AIR WITH PLURAL HEAT EXCHANGERS

  • US 20160312711A1
  • Filed: 06/22/2015
  • Published: 10/27/2016
  • Est. Priority Date: 04/24/2015
  • Status: Active Grant
First Claim
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1. A gas turbine engine comprising;

  • a main compressor section having a high pressure compressor with a downstream most end, and more upstream locations;

    a turbine section having a high pressure turbine;

    a first tap tapping air from at least one of said more upstream locations in said main compressor section, passing said tapped air through a first heat exchanger and then to a cooling compressor;

    a second tap tapping air from a location closer to said downstream most end than the location of said first tap, and said first and second taps mixing together and being delivered into said high pressure turbine;

    said cooling compressor being positioned downstream of said first heat exchanger, and upstream of a location where air from said first and second taps mix together.

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