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1·Install the additional coolant pump for exhaust gas recirculation.

安装用于废气再循环的附加冷却液泵。

2·A new methods, EGR (exhaust gas recirculation) stratified charging, is proposed to form stratified distribution of exhaust gas and fresh charge in combustion.

本文首次提出了一种使废气与新鲜空气在燃烧室内分层分布的方法——废气再循环分层充气。

3·A check valve exhaust gas recirculation (EGR) system, which makes effective use of intake and exhaust pressure waves, was proposed for turbocharged diesel engines.

提出了采用单向阀利用进排气压力波动的废气再循环(EGR)系统。

4·The technology of exhaust gas recirculation (EGR) has been researched in a turbocharged direct-injected diesel engine in order to reduce Nitrogen Oxides (NOX) emission.

针对增压直喷柴油机，开展了应用废气再循环（EGR）技术降低氮氧化物（NOx）排放的研究。

5·Schemes of variable compression ratio (VCR), variable exhaust gas recirculation (EGR), variable exhaust valve timing, and EGR with stratification by tumble charge flow are recommended.

推荐可变压缩比（VCR）方案、可变废气再循环率（EGR）方案、可变排气门关闭时刻方案，以及废气再循环滚流分层充气方案等。

6·This paper introduces the layout of exhaust gas recirculation system in parallel with venturi tube of YC6105ZLQ diesel engines, basic principles and dimension calculation on venturi tube.

介绍YC6105ZLQ型柴油机并联文丘里管废气再循环系统布置，文丘里管的基本工作原理及结构参数的设计计算过程。

7·The annual total cost of optimum design decreased by 20.8% than that of conventional design without EGR, 14.3% than that of conventional design when exhaust gas recirculation ratio was 0.2.

对湿空气出口温度和废气循环比进行优化设计，比无废气循环的常规设计节省年总费用20.8%，比循环比为0.2时的常规设计节省年总费用14.3%。

8·The key technologies to lower the exhaust emission, included the in-cylinder control, exhaust gas recirculation, variable geometry turbo, 4-valve, common rail and after-treatment are presented.

阐述了降低排放的关键技术，包括缸内控制、废气再循环、可变涡轮增压、4气阀、共轨和排气后处理技术。

9·The key to an EGR system is introduced, and the control of exhaust gas quantity recirculation quantity of that in every point at best.

EGR系统的关键就是控制废气的引入量，使废气的再循环量在每一个工作点都达到最佳状况。