Internal combustion engine with two inlet valves per cylinder

Details Internal combustion engine with two inlet valves per cylinder Internal combustion engine with two inlet valves per cylinder

1989-12-01

1990-08-07

Cross, E. Rollins

Internal-combustion engines

Valve

Valve head cooperates with manifold

123315, 123432, 123 4182R, 123308, F01L 300

Patent

active

049458736

ABSTRACT:
In an internal combustion engine with two or more cylinders and two inlet valves per cylinder, in which the intake passages of two adjacent cylinders, which lead towards the inlet valves, are located side by side, symmetrically relative to the symmetry plane of the two cylinders, and in which the cylinder head is made in one piece and has one common inlet flange with an inlet channel, which is flow-connected, past a lug receiving one of the cylinder head studs, with the intake passages formed by guiding surfaces and leading towards the individual inlet valves, the intake passages leading to the inlet valves positioned at a lesser distance in the direction of flow are guided on one side of the lug and the intake passages leading to the inlet valves positioned at a greater distance are guided on the other side of the lug, and the inlet valves of the adjacent cylinders are controlled in such a way that the cylinders are fed with combustion air at different points in time.

REFERENCES:
patent: 3824971 (1974-07-01), Skatsche et al.
patent: 3832983 (1974-09-01), Nickly
patent: 3861375 (1975-01-01), Excoffon
patent: 3903849 (1975-09-01), List et al.
patent: 4688524 (1987-08-01), Takahashi
patent: 4703729 (1987-11-01), Sakano et al.
patent: 4744342 (1988-05-01), Ochiai

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