Multicylinder, four-stroke internal-combustion engine having thr

Details Multicylinder, four-stroke internal-combustion engine having thr Multicylinder, four-stroke internal-combustion engine having thr

1994-09-16

1996-05-14

Solis, Erick R.

Internal-combustion engines

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

Air or combustible mixture entering the combustion chamber...

123 9016, 123 9027, F01L 126, F02M 3510

Patent

active

055158277

ABSTRACT:
A multicylinder, four-stroke internal-combustion engine is spark-ignited and has three intake valves and one exhaust valve which interact in the combustion chamber with valve openings having valve opening centers. The valve opening centers are situated on both sides of a longitudinal center plane of the internal-combustion engine. The valves are arranged so that a first intake valve and a second intake valve with their valve opening centers are situated on one side of the longitudinal center plane, whereas a third intake valve and the exhaust valve with their valve opening centers are situated on the other side of the longitudinal center plane.

REFERENCES:
patent: 4679532 (1987-07-01), Aoi
patent: 5205259 (1993-04-01), Clarke et al.
patent: 5235940 (1993-08-01), Nakatani

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