Patent ID: 8183494

Claim:
A method for connecting an airgap-insulated exhaust manifold ( 3 ) to an inlet port ( 12 ) of a housing ( 13 ) of a turbocharger, the exhaust manifold having an inner pipe ( 7 ), which is a gas-carrying pipe ( 7 ) of the exhaust manifold ( 3 ), and an outer pipe ( 9 ), which outer pipe ( 9 ) is manufactured from at least one sheet metal component, and at least the port ( 12 ) of the turbocharger housing ( 13 ) being manufactured from cast metal, said method comprising: introducing the inner pipe ( 7 ) into the port ( 12 ) of the housing ( 13 ) of the turbocharger and welding the port ( 12 ) by means of a pulse-welding method to the at least one sheet metal outer pipe ( 9 ).