Internal combustion engine and cam drive mechanism therefor

Details Internal combustion engine and cam drive mechanism therefor Internal combustion engine and cam drive mechanism therefor

1986-01-22

1986-10-14

Cline, William R.

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

123 9031, F01L 134

Patent

active

046166068

ABSTRACT:
An internal combustion engine has n member of cylinders, a piston in each cylinder connected to a crankshaft (2), each piston being in phase or out of phase with the others by A.degree. or a multiple thereof (A=720
), cams for actuating inlet and exhaust valves to each cylinder, and a cam drive mechanism (5) which rotates the cams in phased relationship with the crankshaft (2) to open the valves in sequence for a desired angle of rotation of the crankshaft. The cam drive mechanism also includes means for combining the rotational movement of the cams with a phased oscillatory movement of the camshaft (3) and cams of variable amplitude about the axis of rotation at a frequency f times the crankshaft frequency so that over the period which the valves are opened and/or their timings variable, f has the following values:

REFERENCES:
patent: 3331256 (1967-07-01), Morris
patent: 3888217 (1975-06-01), Hisserich
patent: 4305352 (1981-12-01), Oshina et al.
patent: 4438737 (1984-03-01), Burandt

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