某款柴油机降低下排气的改进设计和应用研究  

Study on Improved Design and Application of a Diesel Engine with Lower Exhaust

作　　者：宣飞龙 商潭苏 周梅[2,3] 黄昊 李震勇[2,3] 庞鹏程 XUAN Feilong;SHANG Tansu;ZHOU Mei;HUANG Hao;LI Zhenyong;PANG Pengcheng(YTO(Luoyang)Diesel Engine Co.,LTD.,Luoyang 471000,China;State Key Laboratory of Intelligent Agricultural Power Equipment,Luoyang 471039,China;Luoyang Tractor Research Institute Co.,LTD.,Luoyang 471039,China)

机构地区：[1]一拖(洛阳)柴油机有限公司,河南洛阳471000 [2]智能农业动力装备全国重点实验室,河南洛阳471039 [3]洛阳拖拉机研究所有限公司,河南洛阳471039

出　　处：《拖拉机与农用运输车》2023年第2期57-60,64,共5页Tractor & Farm Transporter

摘　　要：为降低柴油机工作时的下排气,改善产品性能并满足环保法规要求,在不改变缸径和缸心距的前提下,通过对某款柴油机采用无缸套机体设计、活塞环匹配升级、合理优化配缸间隙,实现同等条件下排气明显降低。In order to reduce the exhaust of diesel engine,improve the product performance and meet the requirements of environmental laws and regulations,under the premise of not changing the cylinder diameter and cylinder center distance,a diesel engine is designed without cylinder liner,piston ring matching upgrade,optimize cylinder clearance reasonably,the exhaust significantly reduced under the same conditions.

关 键 词：无缸套 活塞环 配缸间隙 

分 类 号：TK421.5[动力工程及工程热物理—动力机械及工程]