TURBINE HOUSING AND EXHAUST TURBINE SUPERCHARGER

摘要

A turbine housing (1) is equipped with a first shell member (10) and a third shell member (30), which are formed of sheet metal and which form the main body of the housing, and a tongue member (40), which is affixed to the inner circumferential surface of these shell members (10, 30) and is a separate piece from these shell members (10, 30). The tongue member (40) defines an inlet port and a scroll space within the main body of the housing.