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Air cooled turbine blade

  • US 7,988,417 B1
  • Filed: 11/19/2007
  • Issued: 08/02/2011
  • Est. Priority Date: 11/19/2007
  • Status: Expired due to Fees
First Claim
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1. A turbine blade for a gas turbine engine comprising:

  • an airfoil having a leading edge and a trailing edge, and a pressure side wall and a suction side wall; and

    ,a 5-pass serpentine flow cooling circuit which includes a 3-pass forward flowing serpentine circuit and a 2-pass aft flowing serpentine circuit downstream from the 3-pass serpentine circuit, and the five legs of the serpentine flow cooling circuit being connected in series.

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