F - Mech Eng,Light,Heat,Weapons – 01 – D
Patent
F - Mech Eng,Light,Heat,Weapons
01
D
F01D 21/04 (2006.01)
Patent
CA 2698283
A shielding (6) of a turbine housing (3) of an aircraft engine against radial escape of blade fragments, especially for a high-speed low-pressure turbine, is characterized in that the shielding (6) is embodied as a rigid ring-shaped component of several layers (8). Through the decoupling of the containment function from the design of the turbine exhaust gas channel, which is fabricated as a cast part, the disadvantages of the prior art are avoided. Particularly, the design of the turbine exhaust gas channel can be carried out in a cost- and weight-optimized manner.
L'invention concerne un bouclier (6) d'un carter de turbine (3) d'un groupe motopropulseur empêchant la sortie radiale de débris d'aubes, notamment pour une turbine basse pression à régime rapide. L'invention se caractérise en ce que le bouclier (6) est réalisé sous la forme d'un composant annulaire rigide, constitué de plusieurs couches (8). L'invention pallie les inconvénients de l'état de la technique grâce à une conception du canal d'échappement de la turbine, réalisé sous forme de pièce coulée, où la fonction de protection est dissociée. En particulier, la conception du canal d'échappement de la turbine peut être optimisée en termes de coût et de poids.
Marks & Clerk
Mtu Aero Engines Gmbh
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