荣威轿车K系列发动机的开发

Development of Roewe Passenger Car K Series Gasoline Engine

上海汽车股份有限公司的K系列发动机是配合其自主品牌荣威轿车而开发的高性能汽油发动机。在原Rover引进技术基础上进行了二次开发,主要升级了燃油喷射及控制、进气、排气等系统,增加了进、排气连续可变相位功能,提高了发动机性能和排放;对气缸垫、凸轮轴减震器等关键零部件进行了改进设计开发,提高了发动机可靠性。K系列发动机已成功地用于荣威750和550轿车上,表现出良好的整车动力性和燃油经济性。本文介绍K系列发动机的主要技术特点、开发过程和试验结果。

K series engines are high performance gasoline engine for SAIC Motor self-owned brand Roewe vehicle.Based on imported Rover engine technologyi,mprovement development is being taken to update its performance and lowering the exhaust emission mainly by adopting new fuel and control systemi,ntake and exhaust system and adding a new variable valve timing mechanism.The critical partss,uch as cylinder gasket,camshaft torsional damper are developed.With this modificationt,he engine reliability and durability is im...