Intake manifold for internal combustion engine

Details Intake manifold for internal combustion engine Intake manifold for internal combustion engine

1990-02-08

1991-05-14

Okonsky, David A.

Internal-combustion engines

Multiple cylinder

123568, F02M 3510

Patent

active

050146548

ABSTRACT:
An intake manifold for a multi-cylinder internal combustion engine of the type wherein blow-by gas and/or EGR gas is supplied to engine cylinders. The intake manifold comprises a plurality of branch runners each of which has a flange section fixedly secured to a cylinder head of the engine. A rib section integrally bridges the flange sections of the adjacent branch runners and is formed therein with a gas passage through which blow-by gas or EGR gas flows. The gas passage is communicated with the intake air passages of the adjacent branch runners so that the blow-by gas or EGR gas is uniformly distributed into the adjacent branch runners.

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patent: 4615324 (1986-10-01), Choushi et al.
patent: 4660530 (1987-04-01), Sugiyama et al.
patent: 4693226 (1987-09-01), Choma
patent: 4715329 (1987-12-01), Yasuda et al.
patent: 4811697 (1989-03-01), Kurahashi
patent: 4867109 (1989-09-01), Tezuka et al.

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