Fuel injection system for diesel engine

摘要: The fuel injection system for a diesel engine comprises pintle type nozzle having valve needle slidable back and forth in the axial direction thereof between first position which its front end portion is inserted spray hole second retracted from hole, supply means feeding pressurized to nozzle, plunger member of provided with face opposed rear adapted receive pressure fed means, being be lifted by predetermined pre-lift where abuts against so that further lift suppressed acting on member, thereby changing opening stepwise change amount valve. needle, an operating condition detecting engine, control controlling according output means.