Comparative results show that the force on the plane valve is bigger than that of other kinds of valves,and the force on the subulate valve is smaller than that of other kinds of valves.

• 应用液压流体力学原理,对电控喷油器中的3种电磁控制阀进行了受力分析,推导出了控制阀所受液压力的公式,并进行了仿真计算,比较得出平面阀在关闭过程中所受液压力最大,锥阀最小。