FUEL INJECTOR SYSTEM FOR INTERNAL COMBUSTION ENGINE (DESIGN VERSIONS), METHOD FOR RAISING RELIABILITY OF DIESEL ENGINE EQUIPPED WITH FUEL INJECTOR, AND METHOD FOR REDUCING ENGINE NOISE

摘要

FIELD: fuel injection systems for diesel engines. SUBSTANCE: fuel injector equipped with hydraulic actuator and electronic control gear has hydraulic booster with hydraulic-control valve 4 incorporating plate valve 23 that opens to working chamber 9 of pressure booster; throttling slot is provided between plate-valve chamber 27 and working chamber 9 or at least one transfer duct 5 is fitted between plate- valve chamber 27 and working chamber 9, or drilling is made to provide communication between working chamber and differential-valve control chamber 6. EFFECT: reduced noise level of engine. 14 cl, 13 dwg