ROTARY PISTON INTERNAL COMBUSTION ENGINE Russian patent published in 1997 - IPC

FIELD: manufacture of engines. SUBSTANCE: engine has housing with two cylindrical off-center working chambers and end plates with bearings for engine shaft, two cylindrical rotors located on one shaft coaxially relative to two, there or four plate pistons mounted in chambers of housing in off-center position, four disk slide valves with planetary mechanisms mounted on engine shaft between ends of rotors and end plates of housing, supply system, ignition system, lubricating and cooling systems of housing and rotors with pistons. Such construction of internal combustion engine provides for 4, 6 or 8 strokes of engine per two revolutions of its shaft depending on number of pistons. EFFECT: enhanced efficiency. 4 cl, 22 dwg, 3 tbl