Patent ID: 8152455
Filing Date: 2012-04-10
Classification: F01D,F05D,Y02T

Abstract:
1. A suspension arrangement for casing shroud segments of a high-pressure turbine of a jet engine having downstream inclination/gradation of rotor blade tips and casing shroud segments, comprising: a turbine casing including an axial retaining groove, a radial retaining ring groove and a plurality of circumferentially spaced assembly pockets axially opening the axial retaining ring groove; a plurality of casing shroud segments with downstream ends including circumferentially spaced apart attaching hooks having legs which extend axially in an upstream direction for engaging the axial retaining groove via corresponding ones of the assembly pockets; a first retaining ring for engaging the radial retaining ring groove to axially retain the attaching hooks in the axial retaining groove; a pocket run-out edge positioned in the retaining ring groove for engaging the retaining ring and forming a circumferential sealing edge for the retaining ring.