机械柴油喷射与电控共轨柴油喷射的差异比较

Differences between Mechanical Diesel Injection and Electronic Control Common Rail Diesel Injection

传统机械发动机的燃油喷射是依靠喷油泵压力的连续波动来实现的,这种喷射方式在经济性、动力性以及排放性上已经不能满足现代发动机的需要。共轨喷射发动机避免了传统燃油喷射发动机的缺点。本文从原理和系统结构上对传统机械燃油喷射发动机和共轨燃油喷射发动机的差异进行了比较和分析。

Fuel injection of traditional mechanical engine is realized by sequent fluctuation of the pressure of injection pump. This injection mode can not meet the demands of modern engines in the performances of economy, power and emission. These disadvantages can be avoided if we use the common rail injection engine. The author compares and analyses differences of above two engines in their principles and systematical structures.