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Turbine bucket shroud internal core profile

  • US 7,976,280 B2
  • Filed: 11/28/2007
  • Issued: 07/12/2011
  • Est. Priority Date: 11/28/2007
  • Status: Active Grant
First Claim
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1. An article of manufacture including a bucket airfoil having a hollow tip shroud, said hollow tip shroud having a hollow core having a nominal profile substantially in accordance with Cartesian coordinate values of X, Y and Z set forth in Table I, in inches, wherein the shape of the core is defined by the cloud of points listed which are distributed around each surface of the shroud, and the complete hollow portion of the tip shroud could be constructed by defining smooth sheet surfaces through the listed points.

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