Flange for manifolds on internal combustion engines

摘要

The invention relates to a multi-part flange for manifolds on internal combustion engines for ducting the exhaust gas between the engine block and the exhaust pipe, the flange having a bearing surface for bearing on the engine block, which flange is characterised in that it is divided essentially parallel to the bearing surface into a bearing part having the bearing surface and a further flange part, in that the bearing part is designed as a rigid solid body with exhaust gas passages, in that the further flange part is designed as a stamped sheet metal part with exhaust openings and an integral air injection duct, and in that the further flange part is welded or soldered to the bearing part.