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Summary:PURPOSE:To provide an intake manifold for exhaust gas reflux for improving uniform distribution for respective cylinders of an internal combustion engine. CONSTITUTION:A distribution cylinder body 5 made of metal is arranged in the center territory of a feed chamber 11 of an intake manifold 1 made of resin. The distribution cylinder body 5 is provided with a receiving passage 51 receiving air flow fed from an air flow feed passage and circular distribution holes 52a-52d formed on the circumferential wall in the through state. The respective distribution holes 52a-52d are faced to the branch passages 13a-13d of the intake manifold 1.
Bibliography:Application Number: JP19940149845