FIELD: engines and pumps.
SUBSTANCE: disclosed is a dual-fuel diesel engine feed system comprises tank 1 for mineral fuel, tank 2 for vegetable oil, filters 3 and 4 of rough purification, filter 5 of fine purification, fuel feed pump 6, electrically driven pump 7 to feed vegetable oil with check valve 8 and electric pump 25 to feed mineral fuel with check valve 26, high-pressure fuel pump 9, nozzles 10 and mixer 12, in inlet channels of which there are electric batchers 16 and 17, electrically connected via electronic control unit 18 to sensor 19 of loading and speed mode and temperature sensor 20 for vegetable oil. Before electric batchers 16 and 17 there are injection 23, 24 and bypass 21, 22 valves.
EFFECT: providing constant pressure in mixer inlet channels before electric batchers irrespective of differences in properties of vegetable oil and mineral fuel.
1 cl, 1 dwg
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