Internal-combustion engines – Combustion chamber means combined with air-fuel mixture... – Air or combustible mixture entering the combustion chamber...
Patent
1990-09-07
1992-03-31
Okonsky, David A.
Internal-combustion engines
Combustion chamber means combined with air-fuel mixture...
Air or combustible mixture entering the combustion chamber...
123315, 123 9022, 123 9028, F02B 7502
Patent
active
050998129
ABSTRACT:
A cylinder head construction for a multiple valve engine that permits the use of at least three intake valves while permitting a single piece head construction and offering ease of access of the hold down fasteners for the cylinder head. The intake tappets are all slidably supported within a projection of the cylinder head with the outer tappets being positioned closer to a plane containing the cylinder bore axis so that fastener receiving bores can be formed outwardly from this point without interference from the projection.
REFERENCES:
patent: 4007716 (1977-02-01), Jones
patent: 4549510 (1985-10-01), Miyakoshi et al.
patent: 4651696 (1987-03-01), Yoshikawa et al.
patent: 4660529 (1987-04-01), Yoshikawa
patent: 4805567 (1989-02-01), Heinburg
patent: 4809663 (1989-03-01), De Tomaso
patent: 4932377 (1990-06-01), Lyle
patent: 4971008 (1990-11-01), Morishita
Beutler Ernest A.
Okonsky David A.
Yamaha Hatsudoki Kabushiki Kaisha
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