Patent ID: 6652231
Filing Date: 2003-11-25
Classification: F01D,F02C,F05D,F16J

Abstract:
An inner compressor discharge case for a gas turbine, comprising:a cylindrical barrel formed of upper and lower halves joined to one another at margins thereof along a horizontal midline to form a pair of diametrically spaced joints along opposite sides of the barrel, each of said margins having a groove extending generally parallel to an axis of the cylindrical barrel, the grooves of opposed margins of said halves on respective opposite sides of the barrel lying in registration with one another along the horizontal midline; a seal disposed in each pair of registering grooves; each said seal including a shim having a pair of sealing surfaces for sealing against surfaces of said registering grooves, respectively; and a metallic cloth secured along at least one side of said shim and between said sealing surfaces thereof; each said shim including a metal plate having a generally radially inwardly extending leg terminating in one edge thereof for sealing against a surface of one of said registering grooves, said shim being elongated in said registering grooves and lying in a plane generally tangential to the cylindrical barrel, another edge of said shim having an arcuate portion for sealing against a surface of another of said registering grooves.