Technic Blog

knowledge for automobiles especially diesel fuel injection system

Technic Blog

Bosch Common Rail Injector Design Evolution (CRIN1-CRIN2-CRIN3)

There are hundreds of different Bosch common rail injectors, but do you know that there are limited designs of those injectors? Most of the Bosch common rail injectors can be classified into 3 different types.  What we call generation 1, generation 2 and generation 3 injectors (or CRIN1, CRIN2 and CRIN3 injectors). Their structions and maximum pressures are different. This is the trend and design evolution of tipical Bosch Common Rail Injectors……

Technic Blog

Do you know the nozzle quality differences?

Fuel injector nozzle is one of the most important part in the fuel injection system field. Nozzle quality affect its injector function directly. We all know that a good nozzle must have excellent atomization, qualified flow rate and perfect sliding. But a full inspection of a nozzle requires long time and some paticular equipments. Here we would like to share a simple quick visual inspection about it…

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