DUAL-FUEL SUPPLY SYSTEM OF AUTOMOTIVE DIESEL ENGINE WITH COMBINED CONTROL OF MIXED FUEL SUPPLY Russian patent published in 2025 - IPC F02M43/00 F02D19/06 F02D19/08 

FIELD: engine building.

SUBSTANCE: dual-fuel power supply system of automotive diesel engine with combined control of mixed fuel supply contains tanks of mineral fuel (2) and vegetable oil (1), electric pump (5), mixer of mineral fuel and vegetable oil (9), in inlet channels (10, 11) of which for manual control of the supply of vegetable and mineral components of the mixed fuel there are placed throttle valves (12, 13) with fixed on their axes (14, 15) control levers (23, 24), kinematically connected to rotary double-arm lever (28), having possibility, under action of operator manual force, to move in slots of rigidly fixed sector (30) with indicator (31) and to set manually required volume ratio of vegetal and mineral components of mixed fuel or, if necessary, to transfer work diesel for mineral fuel. For automatic control of mixed fuel supply with different ratio of vegetable and mineral components in inlet channels (10, 11) of mixer (9) in front of throttle valves (12, 13) there are T-pieces (32, 33), into the outlet holes of which mineral fuel (34) and vegetable oil (35) electric batchers are screwed, electrically connected through the electronic control unit (36) to the high pressure fuel pump rack position sensors (37), diesel engine crankshaft speed (38) and vegetable oil temperature (39), wherein electronic control unit (36) and electric pump (5) are connected to direct current source (41) through key switch (40). Switch (40) is built into the instrument panel of the vehicle cabin, under the plastic key of which there is light indicator (42) of green colour, which is electrically connected to a direct current source (41).

EFFECT: increased degree of informing the driver of the vehicle on the beginning of operation and current operation of the diesel engine in the automatic mode of mixed fuel supply control.

1 cl, 3 dwg