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TURBINE BLADE

  • US 20080240924A1
  • Filed: 01/23/2008
  • Published: 10/02/2008
  • Est. Priority Date: 02/28/2007
  • Status: Active Grant
First Claim
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1. A turbine blade having a blade airfoil profile shape in an envelope within a range of ±

  • 2.0 mm in a direction normal to any surface location of an airfoil profile portion,wherein the airfoil profile portion has a reference airfoil contour represented in Cartesian coordinates of X, Y and Z set forth in Tables 1 through 7 wherein the X, Y and Z are distances in millimeters and the Z is a distance representing a sectional height from a root of the airfoil profile portion, the contours represented by the X and Y at each section Z being joined smoothly with one another in a blade height direction to form a complete shape of the airfoil profile portion.

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