Air distributor for internal combustion engine of motor vehicle, has exhaust gas injecting tube at its plenum, including end fixed on wall of distributor by fixation system that limits heat transfer between tube and distributor

摘要

The distributor has an exhaust gas injecting tube (6) placed at its plenum, and connected to an exhaust gas recirculation system. The tube has one end (6a) fixed on a wall of the distributor by a fixation system (8), and another closed end (6b) presenting a tapered shape. Wall of the tube is provided with injection orifices (7). The fixation system limits heat transfer between the tube and the distributor.