Patent ID: 8961117
Filing Date: 2015-02-24
Classification: F01D

Abstract:
1. A turbine stage of a turbine engine, the stage comprising: a rotor wheel mounted inside a sectorized ring carried by an outer casing, each ring sector including a downstream end formed with an annular cavity defined by an upstream annular abutment, a downstream annular abutment, and a bottom wall, the outer casing including at least a circumferential rim housed in the annular cavity to attach the downstream end of the ring sector, wherein the bottom wall of the annular cavity of the ring sector remains radially spaced apart from the circumferential rim of the outer casing to provide a thermally insulating space between them and includes radial positioning means acting on the circumferential rim, the positioning means being formed by at least two studs projecting from the bottom wall of the annular cavity.