Intake apparatus for multi-valve engine

Details Intake apparatus for multi-valve engine Intake apparatus for multi-valve engine

1991-03-15

1992-06-09

Okonsky, David A.

Internal-combustion engines

Combustion chamber means combined with air-fuel mixture...

Air or combustible mixture entering the combustion chamber...

F02B 1500

Patent

active

051197855

ABSTRACT:
An intake system for with an internal combustion engine, having a plurality of intake valves for one cylinder, includes a plurality of intake ports, opening into a combustion chamber, with openings which extend toward one side of the internal combustion engine. At least one exhaust port, opening into the combustion chamber, has an opening which extends toward another side of the engine, and is formed in the cylinder head on the other side, which is opposite to the one side of the internal combustion engine. The intake ports are arranged so that the center intake port is inclined at an angle larger than an angle at which other, side intake ports are inclined, so as to direct fuel mixture flows, introduced through the side intake ports, toward an inner surface of the cylinder bore above a top of the piston at a lower dead point.

REFERENCES:
patent: 3334618 (1967-08-01), Funiciello
patent: 3991729 (1976-11-01), Notaro
patent: 4519365 (1985-05-01), Anfusio
patent: 4622940 (1986-11-01), Yoshikawa
patent: 4932377 (1990-06-01), Lyle
patent: 5050557 (1991-09-01), Ishida et al.

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