公开(公告)号：US09683452B2

公开(公告)日：2017-06-20

申请号：US14134405

申请日：2013-12-19

Applicant: SNECMA

Inventor： Florent Pierre Antoine Luneau ,  Alain Dominique Gendraud ,  Patrick Joseph Marie Girard ,  Sebastien Jean Laurent Prestel

IPC: F01D11/12 ,  F01D11/00

CPC classification number: F01D11/122 ,  F01D11/001 ,  F05D2250/283

Abstract: A turbine for a gas turbine engine comprising at least one turbine stator and one turbine rotor, said turbine stator comprising at least one inner annular platform, said inner platform comprising a radial wall delimiting at least one cavity between the turbine stator and the turbine rotor, wherein the turbine rotor comprises at least one elongate element positioned substantially axially and defining a sealing baffle in said cavity, and in that the turbine stator comprises at least one element made of abradable material designed to engage with said elongate element of the turbine rotor so as to form a labyrinth seal.