Honda Giken Kogyo Kabushiki Kaisha

Hideyo Kawamoto

Masayuki Kumada

Yukio Kondo

Keiji Miura

Shoichi Otaka

An intake manifold structure for a multi-cylinder engine having first and second independent mixture generators such as carburetors and first and second intake manifolds communicating the mixture generators to respective plural cylinders. A control gas passage and a treating gas passage are provided for introducing a control gas such as return flow exhaust gas, an additional pulse of air or the like, and a treating gas such as crankcase blow-by gas to the manifolds. The control gas passage is arranged to open into the interiors of respective diverging portions of the intake manifolds. The treating gas passage is arranged to open to the interiors of any other portions, avoiding the diverging portions, of the intake manifolds.

Growing community of inventors

Kawagoe, Japan

Hideyo Kawamoto