FIELD: mechanical engineering; engines. SUBSTANCE: invention relates to systems and device for injection of fuel in internal combustion engines. Proposed electronic injection fuel system set into operation hydraulically includes pressure amplifier connected with hydraulically operated differential valve provided with plate valve opening into working chamber of pressure amplifier. Outer groove made on amplifier plunger serves to connect plunger compression chamber with nozzle locking chamber during injection cutoff period. EFFECT: provision of uniform synchronization of injection and form of injection curves in engine cylinders, simplified design of injection system and reduced cost of system. 11 cl, 8 dwg
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