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Turbine distributor vane

  • US 4,403,917 A
  • Filed: 01/05/1981
  • Issued: 09/13/1983
  • Est. Priority Date: 01/10/1980
  • Status: Expired due to Term
First Claim
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1. A turbine nozzle vane having at least one inner hollow chamber formed therein comprising:

  • a corrugated Y-shaped sleeve positioned against opposite sides of said hollow chamber;

    a first and second radial rib extending from each of said opposite sides of said chamber;

    a first and second row of protruding elements extending from each of said opposite sides;

    longitudinal lock means disposed in said chamber for positioning said sleeve against said protruding elements and for elastically pressing end portions of said sleeve against said radial ribs, said first and second rows of protruding elements forming a zone of said elements extending from each of said opposite sides throughout most of the height of each of said opposite sides of the vane, the width of the zone of said elements being maximal at a base portion of said zone and changing gradually along the entire height of said zone so as to become minimal at an upper portion thereof, said vane having an opening formed therein through which cooling fluid enters and which is located on a side of said opposite sides where the width of said zone of elements is minimal.

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