Patent ID: 7198459
Filing Date: 2007-04-03
Classification: F01D,F02C

Abstract:
1. A casing arrangement for a turbocharger of an internal combustion engine, comprising: a rotor casing having an intake duct and made of two half-shells of sheet metal joined together at their outer periphery, said rotor casing including an axially extending tubular outlet member which is made in one piece with one of the half-shells; an exhaust flow passage having one end portion joined to an exhaust flange and another cylindrical end portion which has a radially inwardly embossed annular bead in frictional contact with the outlet member and which overlaps the outlet member of the rotor casing such as to allow a relative movement between the exhaust flow passage and the rotor casing during operation of the turbocharger; and an outer housing in surrounding relationship to the exhaust flow passage, rotor casing and intake duct.