ROTARY-PISTON MULTICAM FOUR-STROKE ENGINE Russian patent published in 1998 - IPC

FIELD: mechanical engineering; internal combustion engine. SUBSTANCE: engine has housing, working cylinders with pistons, ignition and fuel mixture feed systems and timing gear. Housing is made in form of cylindrical flat split box on outer cylindrical surface of which cylinders are arranged at opposite sides along two relatively perpendicular diametric axes. Rods of pistons are made doubled and are hinge mounted at one side on pistons. At other side piston rods are connected by link hinge mounted in holes of corresponding arms of bell cranks installed for movement on inner cylindrical surface of housing. Other arm of each bell crank is connected with link of adjacent cylinder rods. Roller is installed in middle of each link connecting two rods in space between rods. Roller engages with path of four-cam rotor rigidly secured on engine shaft. EFFECT: enlarged operating capabilities. 2 cl, 2 dwg