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Airfoil profile for a second stage turbine nozzle

  • US 8,133,016 B2
  • Filed: 01/02/2009
  • Issued: 03/13/2012
  • Est. Priority Date: 01/02/2009
  • Status: Active Grant
First Claim
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1. A turbine nozzle having a nozzle vane in the shape of an airfoil in an envelope within ±

  • 0.100 inches in a direction normal to any airfoil surface location wherein the airfoil has an uncoated nominal profile substantially in accordance with Cartesian coordinate values of X, Y and Z set forth in inches in Table I with the X, Y and Z values commencing at a radially innermost aerodynamic section of the airfoil and then made relative to that section for the Z coordinate values, the profiles at the Z distances being joined smoothly with one another to form the complete airfoil shape.

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