Split ring surface side member, split ring support side member, split ring, stop side member unit and method

摘要

Increase the efficiency of the gas turbine. A split ring surface side member which is a stationary side of the gas turbine and is included in a split ring disposed at a position facing the rotor blade, is a part of a combustion gas flow path through which combustion gas flows, and is formed of a ceramic base composite material, A foldable portion having a surface portion to be formed, and a first portion connected to the surface portion, the first portion extending radially outwardly of the gas turbine, and a second portion extending from the end portion of the first portion to the centerline side of the surface portion. And a protrusion extending from the retracted portion to the radially outer side of the gas turbine.