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Turbine airfoil for gas turbine engine

  • US 6,551,062 B2
  • Filed: 08/30/2001
  • Issued: 04/22/2003
  • Est. Priority Date: 08/30/2001
  • Status: Active Grant
First Claim
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1. An airfoil having a leading edge and a trailing edge, comprising:

  • a pressure side wall extending from said leading edge to said trailing edge;

    a suction side wall extending from said leading edge to said trailing edge;

    an internal cavity;

    a slot disposed in said pressure side wall adjacent said trailing edge; and

    a passage disposed between said internal cavity and said slot, said passage having an inlet in fluid communication with said internal cavity and an exit in fluid communication with said slot, said passage being bounded by said pressure side wall and said suction side wall, wherein said suction side wall has an inner surface and a varying thickness, wherein the value of said thickness at said inlet and said trailing edge is greater than said thickness near said exit, wherein said thickness is at a minimum aft of said exit.

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