STATOR BLADE GAS TURBINE SPLIT RING METHOD FOR MODIFYING STATOR BLADE AND METHOD FOR MODIFYING SPLIT RING

摘要

The stator 18 includes an airfoil portion 19 extending in the radial direction and an outer shroud 20 disposed radially outwardly of the airfoil portion 19. The stator 18 includes a stator support member 24, . The outer shroud 20 includes a shroud body portion 31 and a hook portion 32 having radial projections 36 and 37 and radial projections 36 and 37 and engagement portions 39 and 40 . The hook portion 32 has an axial or radially concave recess 50 in at least a part of the circumferential direction. The engaging portion 39 is provided continuously with the seal surface contacting the stator support member 24 in the radial direction over the entire circumferential direction.