LUDARIO-4 INTERNAL COMBUSTION ENGINE Russian patent published in 2001 - IPC

FIELD: automobile and tractor engineering. SUBSTANCE: proposed engine has cylinder block, heads installed in cylinder and pistons installed on slider. Slider is mounted for reciprocation on shaft. Shaft is installed along cylinder axis in holes of bearings and outer heads for rotation. Inner head is installed in cylinder block between cylinders, and outer heads are installed in cylinder block at cylinder side. Inner head has sealing belt of shaped rings for sealing relative to slider. Balls fitted in sockets of inner head sealing belt and in grooves along slider provide directed reciprocation of slider with pistons along shaft. Balls are fitted also on ends of slider in sockets at inner side and in diagonal grooves on shaft to convert reciprocation of slider with pistons into rotation of shaft and flywheel. EFFECT: increased service life of engine. 6 cl, 7 dwg