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Curved turbulator configuration for airfoils and method and electrode for machining the configuration

  • US 6,554,571 B1
  • Filed: 11/29/2001
  • Issued: 04/29/2003
  • Est. Priority Date: 11/29/2001
  • Status: Active Grant
First Claim
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1. A curved turbulator configuration in a radial cooling passage of an airfoil, the radial cooling passage defined by at least a leading wall and a trailing wall, the airfoil including a tip and a root, said curved turbulator configuration comprising:

  • a plurality of spaced curved turbulator pairs positioned along a center-line on an inner surface of the leading wall, wherein said curved turbulator pairs are curved facing away from the center-line of the leading wall and facing the top of the airfoil; and

    a plurality of spaced complementary curved turbulator pairs positioned along a center-line on an inner surface of the trailing wall, wherein said complementary curved turbulator pairs are curved facing the center line of the trailing wall and facing the tip of the airfoil.

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