公开(公告)号：US20140105732A1

公开(公告)日：2014-04-17

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

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.

Abstract translation: 一种用于燃气涡轮发动机的涡轮机，包括至少一个涡轮机定子和一个涡轮机转子，所述涡轮机定子包括至少一个内部环形平台，所述内部平台包括限定所述涡轮机定子和所述涡轮机转子之间的至少一个空腔的径向壁， 其中所述涡轮转子包括至少一个细长元件，所述至少一个细长元件基本上轴向地定位并且在所述空腔中限定密封挡板，并且所述涡轮机定子包括由可磨损材料制成的至少一个元件，所述可磨损材料设计成与所述涡轮转子的所述细长元件接合， 形成迷宫密封。