Internal-combustion engines – Oscillating piston – Toroidal cylinder
Patent
1992-08-07
1993-04-20
Okonsky, David A.
Internal-combustion engines
Oscillating piston
Toroidal cylinder
123 18R, 123 51R, 123 51BC, F02B 5300
Patent
active
052032876
ABSTRACT:
An internal combustion engine has a rotating annular cylinder containing a plurality of mutually oscillating pairs of pistons, one of each pair being rigidly fixed to a first axially-oscillating tube, the other of each pair being fixed to a second such tube concentric with the first. Each of the tubes is connected, by a "Scotch yoke", to a crank throw on a crank shaft. Each Scotch yoke includes an arm fixed at one end to its associated tube for oscillation therewith. The arm includes an elliptical slot that carries an annular ball bearing race for movement therein, one crank throw being journaled within each race. The cylinder is rotated by the crankshaft through a gear train in a fixed ratio to the rotation rate of the shaft. The pistons, having conical end faces, impart a rotational motion to the crankshaft during the power stroke of the cycle, the rotation of the crankshaft, in turn, imparting an oscillation to the piston pairs to actuate them in accordance with the strokes of the engine cycle. The rotation of the cylinder brings the piston pairs into registration with spark plugs, intake ports, and exhaust ports at appropriate times during the cycle. A magnetic ignition system is employed, in which magnetic transducers on the cylinder are rotated past an array of magnets to generate triggering pulses that are transmitted to an ignition voltage generation circuit, which, in response, delivers an ignition voltage to the spark plugs at the appropriate time.
REFERENCES:
patent: 1294487 (1919-02-01), Laberge
patent: 3516392 (1970-06-01), Morgan
patent: 3602203 (1971-08-01), Mowry
patent: 3644069 (1972-02-01), Stewart
patent: 4662177 (1987-05-01), David
patent: 5074253 (1991-12-01), Dettwiler
Hasbun Tommy
Macy M.
Okonsky David A.
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