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TURBOMACHINE BLADE INCLUDING A SQUEELER POCKET

  • US 20130108444A1
  • Filed: 10/28/2011
  • Published: 05/02/2013
  • Est. Priority Date: 10/28/2011
  • Status: Active Grant
First Claim
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1. A turbine blade comprising:

  • an airfoil portion including a suction side having a suction side contour, a pressure side having a pressure side contour, a leading edge, a trailing edge and a tip portion;

    a squeeler pocket formed in the tip portion, the squeeler pocket including a base wall, a first side wall that extends along the pressure side between the leading edge and the trailing edge, and a second side wall that extends along the suction side between the leading edge and the trailing edge, the first side wall including a first internal surface having a first substantially continuous curvilinear profile, and the second side wall including a second internal surface having a second substantially continuous curvilinear profile; and

    a bleed passage extending from the squeeler pocket towards the trailing edge, wherein the first and second side walls are configured to deliver a substantially unobstructed fluid flow from the squeeler pocket to the bleed passage and limit fluid flow spillage onto one of the pressure side and the suction side.

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