| 摘要 |
In a fuel injection valve for a pump-line-injector system of an internal combustion engine, comprising a fuel injector with a nozzle body, a nozzle needle longitudinally movably supported in the nozzle body between a seated nozzle closing position and a lift-off position assumed during fuel injection, the nozzle includes a fuel supply passage, a fuel drain passage, a connecting passage extending from the fuel supply passage to the fuel drain passage, and a spring-loaded pressure relief piston forming a control valve disposed in the path of the pressurized fuel from the fuel supply passage to the drain passage for controlling the pressure of the fuel supplied to the nozzle needle during fuel injection into a cylinder of the internal combustion engine.
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