Spiral housing e.g. turbine housing, for supercharger of motor car, has tongue element made of wear- and resistant materials and firmly connected with housing, and channel structure connected with cooling system

摘要

The housing (1) has a tongue element (2) made of wear- and resistant materials and firmly connected with the housing. The tongue element is made of a material selected from one of a group consisting of steel, hard metal, nickel-based material, ceramic, plastic, glass and light metal i.e. aluminum. The tongue element is formed as a metal injection molding (MIM)-component, sintered component and a cast iron insert. The tongue element comprises a channel structure (4) that is connected with a cooling system.