Patent ID: 7021057

Claim:
An exhaust gas turbocharger for an internal combustion engine, including in a casing ( 13 ) a shaft rotatably supported in said casing an exhaust gas turbine ( 2 ) and a compressor ( 3 ) at opposite ends of said shaft ( 4 ), said exhaust gas turbine ( 2 ) being a radial turbine with a radial gas inlet duct ( 5 ) and a gas inlet passage ( 6 ) for conducting exhaust gas to said turbine wheel ( 9 ) and a variable geometry vane structure ( 7 ) arranged in said gas inlet passage ( 6 ) between two spaced support walls ( 11 , 14 ) of said casing, one of said support walls ( 14 ) projecting into the inflow duct ( 5 ), said support wall ( 14 ) having a rear side opposite the variable geometry vane structure ( 7 ), which is spaced from an inner wall portion ( 12 ) of the inflow duct ( 5 ), permitting exhaust gas to contact the rear of said projecting support wall ( 14 ), said projecting support wall ( 14 ) having a thick-walled end section ( 17 ) at its radially outer end for pivotally supporting the variable geometry vanes and a thin-walled connecting section ( 16 ) by means of which the support wall ( 14 ) is connected to the casing ( 13 ) of the exhaust gas turbine, the thin-walled connecting section ( 16 ) providing for axial resiliency of the projecting support wall ( 14 ).