Patent ID: 8869525

Claim:
An exhaust-gas turbocharger ( 1 ) comprising: a turbine housing ( 2 ); a manifold section ( 3 ) connected to the turbine housing ( 2 ), wherein the turbine housing ( 2 ) and the manifold section ( 3 ) are formed as a single-piece cast part, wherein the manifold section ( 3 ) is provided with openings ( 7 , 8 ) at the sides for connecting further exhaust lines ( 9 , 10 ); and at least two sheet-metal shells ( 16 ) arranged around the manifold section ( 3 ) and the exhaust lines ( 9 , 10 ) so as to form an air gap between the at least two sheet-metal shells and the manifold section and the exhaust lines, wherein the at least two sheet-metal shells are not arranged around the turbine housing, and wherein the at least two sheet-metal shells are connected to one another in a gas-tight fashion at connecting points ( 15 ).