Patent ID: 8398366
Filing Date: 2013-03-19
Classification: F01D

Abstract:
1. An annular vane assembly for a gas turbine engine, the assembly comprising: a vane segment, the vane segment comprising: a hollow cylindrical casing including an inside curved surface in which an annular groove is formed and receives the arcuate rail of the vane segment, wherein the arcuate rail is secured in the annular groove using a resilient strip interposed between the arcuate rail and the annular groove, wherein the resilient strip comprises a planar main body and a plurality of sprung wings that extend to either side of the main body, wherein the plurality of sprung wings are angled with respect to a plane of the main body, and wherein the resilient strip is circumferentially moveable between a first position in which the resilient strip exerts a force radially on the arcuate rail in order to secure the arcuate rail in the annular groove and a second position in which the plurality of sprung wings occupy a first plurality of recesses in the assembly to relieve the radial force and release the arcuate rail in the annular groove.