The feather seal for the turbine shroud segment which is arranged in the radial leg section of the shroud

摘要

As for the gas turbine shroud assembly (32), the seal (74) opposite which is provided between the shroud segment which it adjoins with the plural shroud segments (42), and, it possesses, each segment, extends to the platform (44), and radial at the same time the platform the anterior leg section (46) and the back leg section (48) which are unified and, it possesses. It can provide the slot (72) where the seal is inserted in the leg section. The seal is arranged between the radial leg sections of the shroud segment which it adjoins when the opening is left between the platforms which it adjoins, the cooling air of the shroud, passing by this opening to radial, flows into the main gas passage, cools the side (58,60) of the platform in the respective shroud segment with this.