INTERNAL COMBUSTION ENGINE Russian patent published in 1997 - IPC

FIELD: engine engineering. SUBSTANCE: internal combustion engine has cylinder, head of cylinder wherein a hollow is provided, piston whose bottom has a nozzle interacting with the hollow in the head of the cylinder when the piston moves upward, system for supplying power carrier, exhaust system, system for igniting inside the hollow on the cylinder head, crankshaft, and connecting rod. The hollow is provided with an insert movably connected with it and arresters of movements. The hollow is provided with passageways that connect it with the above-piston space and it is provided with adjustable stop and means for returning the insert that is made up as springs. EFFECT: enhanced efficiency. 2 cl, 1 dwg