国六直喷发动机曲轴箱通风系统设计研究  

Research on Optimization of PCV System in GDI Engine

作　　者：宫晓娥 于贵芙 张治国 GONG Xiaoe;YU Guifu;ZHANG Zhiguo(Brilliance Auto R&D Center,Liaoning Shenyang 110141)

机构地区：[1]华晨汽车工程研究院,辽宁沈阳110141

出　　处：《汽车实用技术》2021年第21期86-88,103,共4页Automobile Applied Technology

摘　　要：针对机油稀释现象和国六PN排放的要求,文章从曲轴箱通风系统的角度来分析,总结缓解机油稀释现象和满足国六PN排放的曲轴箱通风系统的布置和油气分离器的设计方案。In view of the oil dilution phenomenon and the national sixth PN emission requirements,this paper analyzes from the angle of crankcase ventilation system,summarizes the crankcase ventilation system layout and oil and gas separator design scheme to alleviate the oil dilution phenomenon and meet the national sixth PN emission.

关 键 词：国六排放 直喷发动机 机油稀释 曲轴箱通风系统 油气分离器 

分 类 号：U464[机械工程—车辆工程]