Exhaust manifold comprising a sintered connecting flange having a channel for EGR or secondary air supply

摘要

The exhaust manifold has a plate (4) for connecting it to the engine block (2) which is made from compressed, annealed metal powder. Individual exhaust pipes (10 -12) are welded into apertures (7 -9) in this and a channel for exhaust gas or secondary air runs through it.