Assembly Unit of an Exhaust System composed of Components made of different materials with improved Durability

摘要

An assembly 1 of an exhaust system has at least one or two connecting funnel 2 made of cast material and a tube. 3 The at least one connecting funnel 2 has a tubular extension 21 and at least one support 22nd The holder 22 is arranged outside of the pipe socket 21st A connecting portion 31 of the tube 3 is fixed to the bracket 22 of the at least one connection funnel. 2 In this case, the pipe extension 21 extends at least a distance into the interior of the tube 3 and is surrounded by an inner wall of the tube 3, the single wall thickness of the tube 3 through the connecting portion 31 of the tube 3 addition.