Intake and exhaust system through rotatory ports shaft, in four-

Details Intake and exhaust system through rotatory ports shaft, in four- Intake and exhaust system through rotatory ports shaft, in four-

1988-03-29

1989-11-14

Cross, E. Rollins

Internal-combustion engines

Valve

Rotary

123 4140, F01L 700

Patent

active

048799793

ABSTRACT:
An intake and exhaust system through rotatory port shafts, in four-stroke motors, through which are suppressed the camshaft, valve tappets, rocker arms and valves of conventional motors. The system is based on a hollow shaft located in a jacket and the whole assembly is mounted on the cylinder head body of the engine and supported on bearings. The shaft has ports transversely through in communication with the cylinder chambers, quite independently from the combustion order, having the ports shaft lubricating and water-cooling means, being engaged the shaft to a gear driven by the crankshaft of the engine, being 1:4 the ratio of the shaft to the crankshaft rotation.

REFERENCES:
patent: 2116022 (1938-05-01), Gross
patent: 2142325 (1936-01-01), McLaren
patent: 3892220 (1975-07-01), Franz
patent: 4016840 (1977-04-01), Lockshaw
patent: 4517938 (1985-05-01), Kruger

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