Porting arrangement for multi-valve engine

Internal-combustion engines – Combustion chamber means combined with air-fuel mixture... – Air or combustible mixture entering the combustion chamber...

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123 52M, F02B 2900

Patent

active

049710087

ABSTRACT:
An improved cylinder head arrangement for a multiple valve internal combustion engine wherein the cylinder head supports three intake valves that communicate with a common intake passage extending through one side of the cylinder head. An associated manifold is affixed to the cylinder head and has two inlet openings and a transition portion that forms a smooth transition from these two inlet openings to the single intake passage of the cylinder head.

REFERENCES:
patent: 4528958 (1985-07-01), Yoshida
patent: 4549510 (1985-10-01), Miyakoshi et al.
patent: 4658780 (1987-04-01), Hosoi
patent: 4683855 (1987-08-01), Laimbock
patent: 4766866 (1988-08-01), Takii et al.

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