ROTARY-PISTON INTERNAL COMBUSTION ENGINE Russian patent published in 2004 - IPC

FIELD: mechanical engineering; internal combustion engines.

SUBSTANCE: invention relates to internal combustion piston engines with rotary working members, and it can be used in power engineering industry, as hydraulic motor, pump and internal combustion engine in watercraft and road vehicles. Proposed engine has housing with internal working surface made in form of toroidal sectors, rotor with sliders fitted in its slots and hinge-connected with pistons, intake and exhaust ports. According to invention, centers of forming of toroidal sectors with larger and smaller radii are located, respectively, on vertical and horizontal axes of working surface of housing at equal distance from center of rotation of rotor.

EFFECT: improved reliability and increased service life.