Internal-combustion engines – Particular piston and enclosing cylinder construction – Cylinder detail
Patent
1989-11-24
1991-04-23
Cross, E. Rollins
Internal-combustion engines
Particular piston and enclosing cylinder construction
Cylinder detail
123432, F02F 132
Patent
active
050092049
ABSTRACT:
An overhead camshaft engine has a cylinder head, two intake valves and two exhaust valves at each cylinder. A plug hole is formed in a space of a cylinder head between the intake valves and between the intake valves and a camshaft. An end of the plug hole is opened to a combustion chamber at a center position thereof. A spark plug is mounted in the plug hole, so that a center electrode of the spark plug is positioned at the center position.
REFERENCES:
patent: 4553515 (1985-11-01), King et al.
patent: 4714059 (1987-12-01), Masuda et al.
patent: 4741302 (1988-05-01), Oda et al.
Cross E. Rollins
Farber Martin A.
Fuji Jukogyo Kabushiki Kaisha
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