Spark-ignition internal combustion engine having a combustion ch

Details Spark-ignition internal combustion engine having a combustion ch Spark-ignition internal combustion engine having a combustion ch

1998-02-09

2000-07-04

Kwon, John

Internal-combustion engines

Particular piston and enclosing cylinder construction

Cylinder head

F02F 100

Patent

active

060823186

ABSTRACT:
In a spark ignition internal combustion engine, at least one cylinder is provided in the engine block and a corresponding combustion chamber is formed in the cylinder head for each cylinder. Two intake valves and an exhaust valve are associated with each combustion chamber with the spark-plug for each combustion chamber being arranged in the center between the three valves. The surface of the cavity within the head defining the combustion chamber is roof-shaped with two inclined surface portions in which the two intake ports and the exhaust port are respectively located. In a plane perpendicular to the cylinder axis, the combustion chamber has a pseudo-triangular profile having rounded apices locally following the profile of the three intake and exhaust ports.

REFERENCES:
patent: 4621597 (1986-11-01), Kawada et al.
patent: 5511520 (1996-04-01), Regueiro
patent: 5551393 (1996-09-01), Amano et al.
patent: 5570669 (1996-11-01), Regueiro
patent: 5582147 (1996-12-01), Kim

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