Patent ID: 6059525
Filing Date: 2000-05-09
Classification: F01D,F05D

Abstract:
A shroud segment for a turbine, comprising:a generally channel-shaped shroud body having front and rear rails for connection with a turbine casing and a flow path section interconnecting said front and rear rails and having a flow path surface for exposure to a hot gas flow path through the turbine, each of said front and rear rails and said flow path section having a substantially identical thickness ratio, free ends of said front and rear rails of said shroud body having shroud hooks extending toward one another for connection with turbine casing hooks, said free ends of said front and rear rails having end faces facing away from and generally parallel to said flow path section, said front rail end face having forward and rearward surface portions generally parallel to said flow path section, said rear rail end face having forward and rearward surface portions generally parallel to said flow path section, the forward surface portion of said front rail being inset from the rearward surface portion thereof in a direction toward said flow path section and the rearward surface portion of said rear rail being inset from the forward surface portion thereof in a direction toward said flow path section.