Internal combustion engine assembly

Details Internal combustion engine assembly Internal combustion engine assembly

1987-06-18

1989-06-13

Okonsky, David A.

Internal-combustion engines

Cooling

Air-cooled

123 42, 123 81C, 123318, F01L 700

Patent

active

048382140

ABSTRACT:
An internal combustion engine having a sleeve valve wherein the sleeve valve is the cylinder sleeve of a respective cylinder whereby a very simple reciprocation and oscillation of the sleeve valve may be effected by means of a rotary valve which controls the intake of a fuel-air mixture into the crankcase of the engine. By suppying the fuel-air mixture into the crankcase of the engine and providing each cylinder with transfer passages extending axially through the cylinder and radially adjacent cooling fins of such cylinders, it is possible to effect an isothermal compressing of a fuel-air mixture within the cylinder followed by that fuel mixture being adiabatically compressed by the movement of the respective piston towards the head. The use of a sleeve valve, particularly in association with rotary intake valves, provides for a very simple valving arrangement with a minimum of parts. Two such engines may be mounted in shaft-to-shaft relation and simultaneously drive coaxial shafts in opposite directions to provide for counter rotating propellers for an aircraft. The engine construction provides for a maximum power output with a minimum weight.

REFERENCES:
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patent: 3756206 (1973-09-01), Gommel
patent: 3815566 (1974-06-01), Staggs
patent: 4708107 (1987-11-01), Stinebaugh
patent: 4715336 (1987-12-01), Schindler et al.

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