Pipeline for fluid, particularly for reducing agent for reducing pollutant in exhaust gas of internal combustion engine, is made of stainless steel and has cross section in certain areas, where areas have wall area

摘要

The pipeline (13) is made of a steel, particularly stainless steel. The pipeline has a cross section in certain areas. The areas have a wall area different from a circular shape. The wall area is formed inwards or outwards in curved manner. The pipeline has a cross section with multiple wall areas different from a circular shape. The pipeline has a rectangular cross section. Two opposite wall areas are formed inwards in bent manner. An independent claim is also included for a reducing agent supply system for motor vehicle by a pipeline.