INTERNAL COMBUSTION ENGINE Russian patent published in 1998 - IPC

FIELD: mechanical engineering; power plants. SUBSTANCE: fixed pistons with water jacket, exhaust and suction valves and nozzles are installed in front and rear parts of engine cylinder block. Two-chamber cylinders coupled by bottoms are arranged coaxially between fixed pistons. Cylinders are made movable in horizontal direction and are secured on common pin connected by connecting rod with crankshaft. Segment cutoff and laser beam guide are made on upper half of head at each fixed piston. Cooling wells are made between bottoms of movable cylinders. Wells are connected by channels with crankshaft through hollow cylinder pin and connecting rod. Reciprocating motion is transmitted directly to double-acting piston pump from cylinder pin by means of rod using high pressure of liquid on hydraulic drive. EFFECT: increased efficiency, service life and reduced toxicity of exhaust gases. 5 cl, 3 dwg