Internal-combustion engines – Combustion chamber means combined with air-fuel mixture... – Air or combustible mixture entering the combustion chamber...
Patent
1987-04-20
1988-03-15
Cross, E. Rollins
Internal-combustion engines
Combustion chamber means combined with air-fuel mixture...
Air or combustible mixture entering the combustion chamber...
123 9016, 123 9018, 123 906, F02B 4300, F01L 134
Patent
active
047305886
ABSTRACT:
A system is provided for an automotive engine comprising two intake valves for one cylinder, and a camshaft having cams for operating the intake valves. One of the cams is rotatably and axially slidably mounted on the camshaft. An eccentric conical hole is in a side of the cam and an eccentric conical portion is formed on the camshaft. A hydraulic cylinder is formed between the cam and the camshaft to form an oil chamber so as to shift the cam, and a spring is provided for urging the cam to the oil chamber. When the cam is shifted by the operation of the cylinder, the eccentric conical hole of the cam is engaged with the conical portion at a predetermined angular position.
REFERENCES:
patent: 3839858 (1974-10-01), Avermaete
patent: 4182289 (1980-01-01), Nakajima et al.
patent: 4388897 (1983-06-01), Rosa
patent: 4498352 (1985-02-01), Hedelin
Cross E. Rollins
Farber Martin A.
Fuji Jukogyo Kabushiki Kaisha
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