Turbine distributor vane
First Claim
Patent Images
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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Abstract
A turbine nozzle vane of the kind which includes at least one inner hollow portion inside which a corrugated sleeve positioned against the sides thereof against protruding components. The protruding components against which the sleeve stands are arranged along the inner side and the outer surface according to a zone that stretches throughout most of the height and the width of which, being optimal at the base, changes gradually along the entire height before becoming minimal at the upper portion.
52 Citations
7 Claims
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1. A turbine nozzle vane having at least one inner hollow chamber formed therein comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification