ROTARY TWO-STROKE ENGINE Russian patent published in 1994 - IPC

FIELD: mechanical engineering. SUBSTANCE: rotary two-stroke engine has housing with two- epitrochoid working chamber, intake and exhaust passages with ports adjusted by intake and exhaust spool valves, rotor-piston mounted on the eccentric of output shaft and radial seals. Engine housing is provided with lugs which have exhaust passages and ports located in parallel with the engine axis. Exhaust spool valves are made in form of hollow cylinders with through holes provided on the cylindrical portion and exhaust valves are made in form of disk spool valves. Radial seals have additional sealing plates mounted at tops of rotor-piston. EFFECT: enhanced efficiency. 3 cl, 7 dwg