Internal-combustion engines – Poppet valve operating mechanism – Plural valve trains – single actuator
Patent
1985-04-29
1987-05-05
Lazarus, Ira S.
Internal-combustion engines
Poppet valve operating mechanism
Plural valve trains, single actuator
123 904, 123 9027, 123 9044, 123 9036, F01L 126
Patent
active
046623230
ABSTRACT:
An OHC type internal combustion engine with four valves per cylinder in which a single cam shaft and a single rocker arm shaft are mounted directly above one another and centered above the cylinders. A single rocker arm actuates the pair of exhaust valves of each cylinder and a pair of spaced rocker arms operates the pair of intake valves. The spark plug is mounted in the center of the combustion chamber ceiling and inclined toward the intake valve side to be accessible between the pair of rocker arms. Lubrication to all of the valve actuating components is provided from a main oil passage formed by the tubular rocker arm shaft with ports extending to and nozzles direct at all the relatively moving components.
REFERENCES:
patent: 1411208 (1922-03-01), Elliott et al.
patent: 1415167 (1922-05-01), Fuchs
patent: 2322173 (1943-06-01), Spencer
patent: 3021826 (1962-02-01), De Fezzy et al.
patent: 3628513 (1971-12-01), Grosseau
patent: 4267811 (1981-05-01), Springer
patent: 4363300 (1982-12-01), Honda
patent: 4553515 (1985-11-01), King et al.
patent: 4556025 (1985-12-01), Morita
Honda Giken Kogyo Kabushiki Kaisha
Lazarus Ira S.
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