INTERNAL COMBUSTION ENGINE Russian patent published in 1998 - IPC

FIELD: mechanical engineering; engine units for different applications. SUBSTANCE: fixed pistons with water jacket, exhaust and suction valves and nozzles are installed in upper and lower parts of cylinder block. Two-chamber horizontally movable cylinders axially paired through bottoms and connected by connecting rods with crankshaft are placed between fixed pistons. Each fixed piston is provided with segment cutoff and ray guide for laser ray. Cooling wells connected by channels with crankshaft through hollow cylinder pin and connecting rods are made between bottoms of movable cylinders. EFFECT: enhanced efficiency of cooling. 4 cl, 2 dwg