Exhaust gas recirculation duct for motor vehicle internal combustion engine has tube with end couplings and corrugated section at one end to absorb vibration

摘要

The exhaust gas recirculation duct for a motor vehicle internal combustion engine has a tube (2) for passage of the gas and a with a fitting coupling (5,6) at each end. One end has a corrugated section (7) for vibration absorption. The corrugations extend at right angles to the axis of the duct, or parallel to it.