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

FIELD: automotive engineering. SUBSTANCE: four-stroke rotary engine has casing with cylindrical cavity and gas-distribution passages, rotor with eccentric members and sleeve positioned on the eccentric for engaging with the surface of the cavity, partition walls received in guide of the casing, inlet and outlet valves with rods secured in gas-distribution passages, and disk cam drive with running ways and reduction gears having a transmission ratio equal to the ratio between the frequency of rotation of the rotor and cam disks. Rods of the valves have rollers, guides of the casing are cylindrical, whereas valves have the form of pistons with sealing elements. Running ways of the disks have four cam surfaces engaging with rod rollers. Rolling bearings are provided between the eccentric member and sleeve. EFFECT: enhanced efficiency. 13 dwg