INTERNAL COMBUSTION ENGINE Russian patent published in 1997 - IPC

FIELD: engine engineering. SUBSTANCE: hollows 7 and 8 of the same widths and different radial depths are provided on side wall 5 of combustion chamber 4 of an engine. The vertical axis of bottom hollow 7 is coincident with the side of the combustion chamber. The vertical axis if the top hollow is coincident with the middle of the radius of bottom hollow 7. When the crank shaft of the engine operates under condition corresponding to a boundary between the working regimes the axes of the openings of the sprayer face side 9 separating the hollows. Depending on the speed of rotation of the engine shaft fuel enters hollow. EFFECT: enhanced efficiency. 2 cl, 2 dwg