INTERNAL COMBUSTION ENGINE Russian patent published in 1997 - IPC

FIELD: engine engineering. SUBSTANCE: engine has at least two opposite cylinders 2, pistons 3, converter of reciprocation of the pistons into rotation of the shaft, valve gear system, and fuel feed system. The converter is made up as a planet gear having fixed solar wheel 10 and two satellites 8 secured to carrier 9 and connected with crank 7. The number of teeth of the wheel 10 of the planet gear and satellites are related as 2:1. The valve gear system is provided with additional branch pipe 13 and additional valve 16, which connects the space of cylinder 2 with the atmosphere. EFFECT: enhanced efficiency. 3 cl, 4 dwg