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US 11,230,933 B2Granted
Blade for a high-speed turbine stage having a single sealing element
AssigneeMTU Aero Engines AG
InventorsKarl Maar, Joerg Frischbier, Hermann Klingels, Jens Wittmer, Martin Pernleitner
Life of this patent
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Abstract
Described is a blade for a high-speed turbine stage of an aircraft gas turbine, in particular of an aircraft engine, the blade including a radially inner blade root, a radially outer shroud, and an airfoil extending between the blade root and the shroud. It is provided that the outer shroud have only a single sealing element, which projects radially from the shroud, in particular only a single sealing fin.
Claims19
A blade for a high-speed turbine stage of an aircraft gas turbine, the blade comprising:
- a radially inner blade root;
- a radially outer shroud;
- and
- an airfoil extending between the blade root and the shroud;
- the outer shroud having only a single sealing element projecting radially from the shroud, the shroud being made of a brittle material and having a weight of less than 7 grams.
2 more elements
Dependencies are inferred from the claim text.