Diesel Injector/pump function

INJECTOR FUNCTION: The injector of the Common Rail System contains the injection nozzle, a solenoid valve plus the hydraulic and electrical connections to trigger the nozzle module. An injector connected to the rail via a short high-pressure line is installed in each engine cylinder.

Injection pump - Wikipedia

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Injection pump - Wikipedia

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INJECTION PUMP: INLINE AND - Mechanical Engineering world

In-line Injector Pump Part (1 / 2)

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Fuel Injectors: What are the functions of fuel pumps & injectors?

China Customized Diesel Engine TD42 Fuel Injection Pump,16700