Click here to learn more about Ball Valve Gate Valve Butterfly Valve Solenoid Valve or Needle Valve .

点击此处了解更多球阀，止回阀，蝶阀，电磁 阀， 针 型阀。

The wear of diesel engine fuel pump plunger and barrel assembly delivery valve assembly and needle valve assembly has direct effect on the fuel supply rule .

柴油机喷油泵的柱塞、出 油 阀 和 针阀这三大精密偶件的磨损程度直接影响到柴油机的供油规律和各种综合性能。

The needle valve can be closed through the rotation of a needle stem and the oil cleaning device can also be driven to lift to clean out carbon deposit in the nozzle .

通过 针 阀杆的旋转即可以关闭 针阀又可以带动清油器升降，清除喷嘴中的积碳。

Then the aim of estimation of ground surface quality of the precision hole of the valve body matched with valve needle in the high pressure oil pump has been achieved by using fuzzy sets .

接着又进一步应用Fuzzy综合评判法对高压油泵精密偶 件 针阀体的 配磨表面质量进行了Fuzzy综合评判，得到了该磨削产品的综合评判模糊集。

This paper describes the principle of measuring needle valve seating time in electromagnetic injector then presents the constitution and measuring procedure of a measuring system for needle valve seating time lag in electromagnetic injector and analyses the measuring error in the system .

阐述了电磁式喷油器 针阀落座时刻的检测原理，介绍了一种电磁式喷油器 针阀落座滞后时间测量系统的组成和测量过程，并对系统的测量误差进行了分析。

In this system I often close the needle valve needle valve is always open .

在该系统中，针形 阀I常闭， 针 形阀常开。

Open needle valve A high side and vent needle valve to vent air from bypass hose . Empty two-position valve accommodating five ports .

开启针形 阀A高端和排气 针 形阀，从旁路软管排放空气。排空两个位置的放气阀，它调节五个通道。

In order to enhance the needle valve partner 's working reliability and the service life the paper designs one kind of new needle valve partner .

为了提高 针阀偶 件的工作可靠性和使用寿命，笔者设计了一种新的 针阀 偶件。

Hydraulic control valve is a main valve and the exterior of the needle valve and a combination of the pilot valve .

水力控制阀是由一只主 阀及其外装之 针 形阀和先导阀等组合而成。

Above valve mouth in pull out give vent to anger door needle set free to the limit ;

固克特补胎液 气门嘴处于上方，拔出 气门 针，余气放尽；

Thereout the pressure characteristics of every subsystem the current of solenoid valve the gag bit lift needle lift and control parameters and control parameters have been obtained .

由此得到各部件集中容积内的压力特性、驱动电路的电流、 衔铁升程、 针阀升程的变化规律等动态参数。

The paper first analyzes the wear mechanism and wear microscopic shape of the precise plunger even-parts delivery valve even-parts and needle valve even - parts in the injection system of diesel engine .

本文首先分析了柴油机喷油系统精密柱塞偶件、出油 阀偶件、 针阀偶件的磨损显微形态及磨损机理。

Moreover the author analyzed and researched dynamic load of the needle valve spring by adopting the method of characteristic line and proposed to design the needle valve spring using its dynamic load .

运用特征线法研究和分析 针阀弹簧的动力负荷，推导出采用动载法设计 针阀弹簧的方法，从而 提高设计的 稳健性。 高压 共 轨 喷油器精度和技术要求高， 加工 难度大。

By theoretical analysing and calculating we find the short needle valve fuel injector can further decrease the impact stress of the needle valve to the sealed conical surface .

经理论分析和计算发现，短针 阀喷油器可以进一步降低 针阀对密封座面的冲击应力。

Open needle valve B to bleed air and then close B and vent needle valve .

开启针形 阀“B”排放空气，然后关闭“B”和排气 针 形阀。

Methods The battlefield thorax close drainage equipment manufactured by our hospital consisted of unilateral valve C-shaped puncture needle and silica gel drainage tube for operation .

方法采用本院自行研制的野战胸腔闭式引流装置，应用 瓣膜单向 阀取代水封瓶、C形胸腔穿刺 针及硅胶引流管行胸腔闭式引流；

The automatic enrichment valve is composed of PTC wax and valve needle .

自动加浓阀主要由PTC、石蜡体和 针阀组成。