单缸直喷柴油机喷油泵凸轮的优化设计  

Optimum Design of Single Cylinder Direct Injection Diesel Engine's Fuel Injection Pump Cam

作　　者：刘胜吉[1] 吕纯昌[1] 尹必峰[1] 

机构地区：[1]江苏大学汽车与交通工程学院,江苏镇江212013

出　　处：《农机化研究》2005年第4期261-262,共2页Journal of Agricultural Mechanization Research

摘　　要：对国产大缸径单缸柴油机喷油系统存在的问题进行了分析;提出了单缸机提高喷油压力的措施;给出了油泵凸轮设计的基本原则和方法。以1125柴油机为例,分析了改进凸轮设计后喷油系统性能的变化,为提高柴油机喷油压力、改善混合气的均匀性及降低柴油机的排放提供了条件。This paper analyzes the problem about domestic big single direct injection diesel engine’s injection system,brings forward to a way to enhance the press of injection,narrates principle and method about cam’s design,according to type 1125 diesel Engine,analyzes the influence of injection system aim at optimum design of cam,and affords condition that can increase injection press,optimize the uniformity and reduce the harmful exhaust emission of direct diesel engine.

关 键 词：直喷柴油机 优化设计 喷油泵 喷油压力 凸轮设计 单缸柴油机 喷油系统 系统性能 大缸径 单缸机 均匀性 混合气 

分 类 号：TK421.2[动力工程及工程热物理—动力机械及工程] TK423.83