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 Russian patent published in 1999 - IPC

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