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Air cooled turbine airfoil

  • US 8,043,057 B1
  • Filed: 12/21/2007
  • Issued: 10/25/2011
  • Est. Priority Date: 12/21/2007
  • Status: Expired due to Fees
First Claim
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1. An air cooled turbine airfoil comprising:

  • a leading edge and a trailing edge;

    a pressure side wall and a suction side wall;

    a leading edge cavity formed in the leading edge region of the airfoil;

    a mid-chord cavity located aft separated from the leading edge cavity by a rib; and

    ,a first baffle secured within the leading edge cavity, the first baffle forming a series of impingement compartments such that cooling air flows from one compartment to the next compartment, adjacent compartments being connected by a plurality of impingement holes and a spent air return hole.

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