Flexible pipe element for the exhaust system of a combustion engine

摘要

The flexible line segment has annularly or helically corrugated line section (1) for allowing a flow of exhaust gas (4). A metallic bellows (11) is arranged upstream in reference to the line section. A precipitation device (2) is provided or fastened in the line section in upstream to the metallic bellows. The precipitation device is provided for urea derivatives or urea entrained in an edge layer (3) of the exhaust gas flow from an oversaturated edge layer of exhaust gas flow.