FIELD: mechanical engineering; diesel engines. SUBSTANCE: invention relates to fuel feed systems with electric drives. Spray tip is made multiorifice, cylindrical and provided with toroidal cavities with projection in central part made in end face surface of spray tip. Orifices are made over perimeter of cavity. Electrode in electrically insulated bushing is installed coaxially to each toroidal cavity, thus forming electric discharge pre-nozzle chamber. Invention is aimed at increasing efficiency of fuel injection in internal combustion engine and reduction of energy required for injection. EFFECT: simplified design of fuel system devices. 3 dwg
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