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Bucket platform cooling scheme and related method

  • US 20020076324A1
  • Filed: 12/19/2000
  • Published: 06/20/2002
  • Est. Priority Date: 12/19/2000
  • Status: Active Grant
First Claim
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1. A turbine bucket comprising:

  • an airfoil extending from a platform, having high and low pressure sides;

    a wheel mounting portion;

    a hollow shank portion located radially between the platform and the wheel mounting portion, said platform having an under surface; and

    an impingement cooling plate located in said hollow shank portion, spaced from said under surface, said impingement plate having a plurality of impingement cooling holes therein.

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