ROTARY INTERNAL COMBUSTION ENGINE Russian patent published in 1997 - IPC

FIELD: industries manufacturing power plants and transport facilities. SUBSTANCE: engine includes toroidal housing with coaxial toroidal rotor arranged inside it. Over periphery of rotor there are at least four spiral grooves engageable with radial separating ring mounted on rotor and secured in housing for rotation about its axis. Fuel suction ports and waste gas exhaust ports are located on different sides from radial separating ring; provision is made for regulation of distance from axis of rotation of torus. Diametral ring secured on wall of housing which is located at distance from axis of rotation is also arranged in housing. Width of diametral ring is no less than depth of spiral groove on rotor. Radial separating ring is provided with toothed rim engageable with gear fitted on power takeoff shaft. EFFECT: enhanced reliability. 4 cl, 6 dwg