After the pump pressure,nozzle pressure,injection pat- tern,phase of injection staring point,the amount of injected fuel for one cycle are tested and analyzed,the injection advance characteristics of top clearance pump dement and its effects on the comprehensive performance of fuel pump are investigated in current of high press.
对喷油泵顶隙式柱塞偶件、非顶隙式柱塞偶件以及等压出油阀、阻尼阀做交叉试验，通过喷油泵泵端压力、嘴端压 力、喷油速率、喷油始点、单喷射油量的检测分析，研究当前直列高喷射压力条件下，顶隙式柱塞偶件的喷油提前特性及 其对喷油泵综合性能的影响。
This paper deals with the structural characteristics of Naming Iveco Automotive VE - Type Rotor Pump, the structure and operation of devices improving engine performance, such as, fuel injection advancer, supercharged fuel delivery compensator, cold start injection advancer.
论述了南京依维柯车用ＶＥ型转子泵的结构特点，以及喷油提前器、增压供油量补偿器、降噪装置和冷起动喷油提前器等改善发动机性能装置的结构原理，并对南京依维柯车用ＶＥ型转子泵常见的故障进行分析。