process for reducing the wear of vehicle exhaust muffler exhaust muffler and related improved

摘要

An orifice 5 is pierced in the low part of the silencer body 2 for allowing gravity discharge of the corrosive condensates which are deposited therein, and to the periphery of this orifice is applied an edging 6 made from a material resisting corrosion by acid substances, compatible electrochemically with the metal material forming said body and protecting the edge of the orifice as well as its internal and external edge portions. The edging may be formed by an annular rivet and an external nozzle 7 made from a material such as defined above may be fixed to the body 2 in the region of the orifice 5; it is preferably connected to the edging 6. IMAGE