The common rail fuel injection system looks similar to the injection principle of a gasoline engine, that is, several fuel injectors are connected to a fuel pipe, and which fuel injector needs to be injected will be opened. Yes, we can basically understand it that way. This mode is much simpler than the previous two. The key point is that the fuel injection pressure and injection timing are independently controlled without any influence. This ensures that there is sufficient pressure to spray at all times, and multiple injections can be made in a very short period of time.
For example, the first two fuel injection technologies are similar to boxing by foreigners: it takes a long time to exert force for a heavy punch, and it takes a long time to wait from the foot to the punch; the common rail system is somewhat similar to our great Wing Chun Boxing emphasizes shortness, flatness, and quickness, and it can deliver powerful “inch strength” without waiting, and can “burst”, like Yen Yen performed by Donnie Yen, to make combined punches in a short period of time. And we all know: Master Ye can beat Western boxers.
The current diesel cars or SUVs should be equipped with a common rail system, so that they can be called “advanced”. The common rail system has a simple structure and good effect. The main technical difficulty lies in the components that can withstand extremely high pressure and the fuel injectors for precise fuel injection. The common rail system has now been developed to the third generation, and the injection pressure can be controlled at will. The injection pressure can be adjusted from 20 MPa to 200 MPa, and the efficiency is even higher.
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Post time: Apr-07-2023
