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针对国内市场的行情特点,开发了一种新型的柴油机燃油喷射系统——直列泵+电子调速器+冷却EGR,介绍了该系统之喷油泵与喷油嘴的基本结构特点和电子调速器的设计方案,并通过相关的喷油泵试验以及在4DF3柴油发动机上的匹配试验,论证了该系统可以满足国3排放法规的要求。
In view of the characteristics of the domestic market, a new type of diesel fuel injection system has been developed - in-line pump + electronic governor + cooling EGR. The basic structural features of the fuel injection pump and injector of this system are introduced. The design of the system and through the relevant fuel pump test and the matching test on the 4DF3 diesel engine demonstrate that the system can meet the national emission regulations.