FIELD: motors and pumps.
SUBSTANCE: invention is related to propulsion engineering, mostly to two-stroke gasoline engines with direct injection of fuel into cylinder. Engine comprises cylinder, wall of which is provided with inlet and outlet windows, fuel nozzle installed slantwise in cylinder wall, piston and cylinder head with combustion chamber. Fuel nozzle is installed in area of low temperatures and pressure in plane inclined to plane of piston bottom to the side of bottom dead point at the angle of 10-15°. Nozzle sprayer is installed above upper edge of outlet window by 7-10 mm, and in order to create swirled air flow, profiled inlet windows are installed tangentially to cylinder wall and with incline to combustion chamber side. At least three nozzle openings may be provided in nozzle sprayer, with diameter of 0.15-0.25 mm, installed at different angles to nozzle axis, two of which are directed to the side of cylindrical groove in piston bottom, and one is directed to area nearby candles.
EFFECT: higher fuel efficiency and improved ecological characteristics of engine, provision of reliability and durability of nozzle operation.
2 cl, 1 dwg
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