Induction system for internal combustion engine

Details Induction system for internal combustion engine Induction system for internal combustion engine

1986-04-08

1987-12-29

Feinberg, Craig R.

Internal-combustion engines

Multiple cylinder

123572, F02B 7518

Patent

active

047153296

ABSTRACT:
In an induction system for an internal combustion engine having two groups of cylinders of which firing orders are respectively discontinuous, a groove is formed in a joining end face of a collector unit to be joined with a joining end face of an intake manifold in such a manner as to have a straight main groove section disposed between first and second groups of outlet ports so as to be equidistant from the outlet ports and a plurality of outlet groove sections branching off from the main groove section to fluidly connect the main groove section to each outlet ports. When the joining end faces of the collector unit and the intake manifold are joined together, a fluid recirculation passage such as a blow-by gas recirculation passage, an exhaust gas recirculation passage or the like is defined therebetween.

REFERENCES:
patent: 3500806 (1970-03-01), Sarto et al.
patent: 3730160 (1973-05-01), Hughes
patent: 3990419 (1976-11-01), Itakura
patent: 4195607 (1980-04-01), Nagasaka et al.
patent: 4545331 (1985-10-01), Ito et al.

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