Rotating piston engine with variable effective compression strok

Details Rotating piston engine with variable effective compression strok Rotating piston engine with variable effective compression strok

1996-09-09

1998-12-22

Koczo, Michael

Internal-combustion engines

Rotary reciprocating piston

F02B 7526

Patent

active

058508104

ABSTRACT:
A rotating cylindrical piston engine with a variable effective compression stroke. The present engine shuttles the piston during the power stroke as far as possible in the cylinder to maximize the use of the power provided by the fluid explosion. Since as much as possible of the explosion force is used, i.e., preferably until the exhaust gas reaches ambient temperature or pressure, the exhaust gas is cooler and thus the engine may need no external water cooling, allowing internal air cooling in the cylinder by intake air to be complemented by the cooling with the exhaust gas. Preferably, such linear motion of the shuttling piston over such a great length is converted to rotary motion by forcing the piston to spin in the cylinder as the piston is driven the length of the cylinder. The relative great length of the stroke of the piston captures a great amount of air during the intake stroke, and some of this intake air is expelled during the compression stroke to provide for an effective compression stroke such that the power stroke is of a greater length than the effective compression stroke. The present engine further includes a plate-like cylinder head, a plate-like rotary valve, and plate-like manifold to provide for a compact head arrangement. The present engine further includes a compression release port which may be opened during the power stroke to permit the piston to act like a brake relative to the power output shaft. The present engine further includes a track and rider arrangement for converting the linear shuttling motion of the piston into rotary motion. The present invention further includes a gear assembly between the piston and a power output shaft for transmitting the rotary motion of the piston to the power output shaft. The present engine further includes a fuel pump assembly, a timing assembly, and an engine isolation arrangement.

REFERENCES:
patent: 1389453 (1921-08-01), Moore
patent: 1545925 (1925-07-01), Powell
patent: 1801633 (1931-04-01), MacKirdy
patent: 4180028 (1979-12-01), Richter
patent: 5441018 (1995-08-01), Almassi
patent: 5528946 (1996-06-01), Yadegar

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