EXHAUST GAS TURBINE CASING ENABLING IMPROVEMENT OF TURBINE EFFICIENCY

摘要

PURPOSE: An exhaust gas turbine casing is provided to improve the turbine efficiency by centering the turbine casing to a shaft installed to a bearing housing. CONSTITUTION: An exhaust gas turbine includes a turbine casing(1); a shaft(3) rotatably installed to a bearing housing(4); a turbine wheel(5) installed to the shaft; and a heatproof wall(2). The heatproof wall constitutes an inlet passage(6) reaching the turbine wheel together with the turbine casing. The heatproof wall has units for centering the turbine casing to the shaft installed to the bearing housing.