The difference among EUP, EUI and common rail system injector
Nowaday the common rail system become more and more popular in market, main systems include Bosch common rail system, Denso system, Delphi system, Cummins system etc.But many people don’t know how to tell the EUI, EUP and common rail injector, thought they are all electronic injection common rail injector, so let’s see the detail as below:
Firstly let’s the differece of the appearance:
EUI= Electronic Unit Injectors
EUP= Electronic Unit Pumps
Common rail injector
Secondly, let’s see the difference in their system.
There is no common rail in EUIsystem, the injection pump and injector are been connected together.
There is also no common rail in EUPsystem, The ECU(Electronic Control Unit) control the unit pump directly.
There is a common rail in the common rail system that connect the injectors, the ECU controls the common rail injectorsto work.
If you would like to know more technology about the diesel engine or any comments, please contact us as below: