本文介绍燃油蒸发污染物控制系统(包括活性碳罐、清洗阀等主要部件)的研制、试验分析及对发动机性能影响,表明整个系统设计合理、工作可靠、净化节能效果明显。 This paper introduces the development of fuel evaporative pollutants control system (including the main components such as activated carbon canister and purge valve), the experimental analysis and the impact on the engine performance. It shows that the whole system has reasonable design, reliable work and obvious purification and energy saving effect.