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Gas turbine with a stator blade

  • US 8,210,797 B2
  • Filed: 11/24/2010
  • Issued: 07/03/2012
  • Est. Priority Date: 05/26/2008
  • Status: Expired due to Fees
First Claim
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1. A gas turbine comprising:

  • a stator blade fastened on a blade carrier, the stator blade including;

    a blade airfoil which extends inwards in a radial direction from an outer platform into a hot gas passage;

    an access in the blade carrier into a first plenum which is arranged above the outer platform for a cooling medium to flow, via an inlet provided in the outer platform into an interior of the stator blade;

    a first means for controlling cooling-medium pressure in the first plenum; and

    a second means for cooling the outer platform by directing the cooling medium from the first plenum.

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