基于UEGO的柴油机EGR系统的设计  

Development of Diesel EGR Based On UEGO

作　　者：刘瑞祥[1] 高希彦[2] 

机构地区：[1]山东理工大学交通与车辆工程学院,255049 [2]大连理工大学内燃机研究所,160024

出　　处：《农业装备与车辆工程》2005年第10期23-26,共4页Agricultural Equipment & Vehicle Engineering

摘　　要：在微粒过滤器的基础上,建立了具有清洁再循环废气的、基于通用排气氧浓度传感器(UEGO)的闭环控制柴油机EGR系统。用UEGO测得的空燃比作为反馈信号进行闭环控制,使EGR系统能充分发挥降低NOx的潜力。A new EGR system, which is based on universal exhaust gas oxygen (UEGO) sensor and controlled by a closed loop, is developed. The system uses the filtered clean recirculation exhaust gas. Using the air-fuel ratio measured by UEGO as the feedback to control EGR, the potential of depressing NOx of the EGR system can be brought into play sufficiently.

关 键 词：柴油机 NOx EGR UEGO 

分 类 号：TK423[动力工程及工程热物理—动力机械及工程]