Piston engine employing oxygen

Details Piston engine employing oxygen Piston engine employing oxygen

1975-06-23

1976-09-07

Burns, Wendell E.

Internal-combustion engines

Free piston

Single chamber; one piston

123 32AE, F02B 7100, F02D 3110

Patent

active

039788270

ABSTRACT:
A piston engine employing a flywheel rotor, in lieu of a crankshaft, driven hydraulically by the piston. One end of a plunger is connected to the piston, the other end being slidably disposed in an hydraulic cylinder. In the combustion mode, fuel and oxygen are injected and spark ignited, both by the same variable speed D.C. speed control motor. The piston-driven plunger displaces hydraulic fluid in the cylinder through a high speed orifice to impinge against spaced cavity surfaces formed along the periphery of the flywheel rotor, thereby spinning the rotor. A slide valve is disposed in the orifice and is hydraulically connected to the cylinder so that pressure changes in the cylinder reciprocate the slide valve to provide momentary delay, during pressure build-up, and then release of the cylinder fluid, thereby increasing the fluid velocity. Hydraulic fluid is recirculated during an exhaust stroke wherein the piston is returned by injected air pressure.

REFERENCES:
patent: 2887993 (1959-05-01), Shallenberg
patent: 3269321 (1966-08-01), Eickmann
patent: 3608529 (1971-09-01), Smith et al.
patent: 3680305 (1972-08-01), Miller
patent: 3877450 (1975-04-01), Meeks

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