And the impact between the needle and its seat works in short time and brings very large impact stress,which decides the working reliability of components.
针对柴油机喷油器内的针阀运动速度快,作用时间短,负荷强度高的特点,按针阀实际工作负荷确定加载函数,采用有限元方法,对喷油器多质量运动系统进行非线性动力学分析,研究针阀碰撞的影响因素,模拟针阀系统的运动,计算冲击应力。
A new kind of needle valve and nozzle body s separation system;
一种新型的针阀和针阀体分选系统
Application of needle valve to urban water and wasterwater treatment plants to avoid the cavitation and regulate water and air flow is introduced.
从避免气蚀和调节水、气流量等方面介绍了电动针阀在城市给水厂和污水处理厂中的应用,并结合杭州西区水厂和七格污水处理厂的实例阐述了电动针阀结合流量计在水厂输水管线流量调节中的控制方法,以及溶氧仪和针阀联动控制曝气池DO的应用。
Larner-Johnson valve
拉诺－约翰逊式针阀
needle valve of economizer
（汽化器内）省油针阀
opening diagram of fuel valve needle
喷油器针阀的开启图
The float system includes the float bowl and a float-and-needle valve.
浮子系统包括：浮子室和一个浮子针阀。
Adjustment is provided in the form of a needle-value or restrictor.
流量调节采用针阀或限流器。
Technological Experimental Research for Cross Wedge Rolling Technology of Pin Valve of Oil Pump
油泵油嘴针阀体楔横轧工艺试验研究
Heat Treatment Process Research of 18CrNi8 Nozzle;
18CrNi8长型针阀体热处理工艺研究
Finite Element Analysis on 3D Flow in the Nozzle and Shock Stress of the Needle in Diesel Engine Injector;
柴油机喷油嘴三维流场及针阀碰撞有限元分析
The Study and Design of NC Machining Spiral Groove of the Needle Valve Fuel Injector;
喷油嘴针阀螺旋槽加工数控系统研究与设计
Research on Technique of Electrochemical Deburring Machining for Injector Orifice of Needle Valve Body
针阀体喷孔电解去毛刺工艺和技术的研究
Development of cooling-needle valve assembly about diesel engine based on argon arc welding
基于氩弧焊的柴油机冷却式针阀偶件的研制
Needle& check valves metered injector utilizes the diaphragm design for extremely quiet operation.
针阀定量注入式并采用膜片设计其运作非常安静。
Design and Lmplementation of the Electrical Control Systems for the Deburring Pulse Electrolysis Equipment in the Pressure Chamber of Needle;
针阀体压力室脉冲电解去毛刺设备的电气控制系统设计与实现
Design of Digital Fuel Quantity Measurement Used on Test Bench of Fuel Injection Pump Based on Needle Valve Lift;
基于针阀升程的喷油泵试验台数字化量油系统的设计
automatically shutting pressure of needle valve
针形阀自动关闭压力
Holding the cage in one hand, push the seat inward and rotate counterclockwise against the cage.
用一只手握住阀笼，向内推阀座并顺、反时针方向旋转阀笼。
Open needle valve" A" high side and vent needle valve to vent air from bypass hose.
开启针形阀“A”高端和排气针形阀，从旁路软管排放空气。
All needle valves must be closed on test kit.
检测组件上的所有针形阀必须关闭。