Internal-combustion engines – Four-cycle – Oscillating valve
Patent
1983-04-12
1984-12-11
Lazarus, Ira S.
Internal-combustion engines
Four-cycle
Oscillating valve
123 76, F01L 704
Patent
active
044871724
ABSTRACT:
A single-sleeve valve engine has narrow quasi-elliptic sleeve motion which improves exhaust and intake valving and permits the conversion of standard engine blocks. The sleeve is thick walled, and is molded of low density material which permits significant rounding of the sleeve apertures for better flow, and grooves and rings for oil control, gas leakage reduction, and mass reduction. The sleeve has an extension which projects above the head and is connected to a half-speed crankshaft by means of a connecting rod. This connecting rod is restrained at an intermediate point by a radius rod to obtain quasi-elliptic sleeve motion which has an amplitude approximately half as great circumferentially as axially. In order to minimize emissions, provision is made for swirl, scavenging, multiple spark plugs, and a near ideal combustion chamber shape.
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Bailey R. S.
Lazarus Ira S.
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