Analysis on Flow Force of the Hydraulic Poppet Valve with the Moving Cone Based on CFD

基于CFD的液压 锥 阀阀芯启闭过程的液动力分析

A New Device for Measuring Run out of Needle Valve Seat ′ s Cone Surface

针 阀体座面位置 误差的测量装置

This discussion focusses on the problem that the leakage from a cone valve affects the efficiency of a centrifugal dust separator and the improvements that are made for the structure design of the cone valve in order that better results of separating dust can be achieved .

本文针对圆锥 式闪动 阀的泄漏影响旋风除尘器效率的问题，从 圆锥式闪动问结构设计上提出改进措施，从而收到较好的除尘效果。

The hydraulic poppet valve is one of the most important component in the hydraulic transmission and control whose characteristics of the inner flow field directly influents the valve 's performance especially the moving valve cone .

液压锥阀是流体传动与控制技术中重要的基础元件，锥阀内的流场特性直接影响阀的性能，特别是 锥 阀 阀芯在运动过程中的流动特性对 阀的工作性能有很大的影响。

A niobium-cobalt-rare earths alloy powder was investigated which was used to improving combined properties of valve cone surface of internal combustion engine .

研究应用稀土铌钴合金粉末材料提高内燃机 气门 锥面材料的综合性能。

In order to be adapted to the severe working conditions of high temperature corrosion and impact load etc. cobalt-base alloy layer was fabricated on valve cone surface by plasma spray welding .

为适应高温、腐蚀、冲击载荷等恶劣的工作条件，采用等离子喷焊方法在 气门 锥面制备了钴基合金涂层。

Medium pressure increases toward the valve seat surface and oblique cone sealing surface squeeze is tightening sealing the better .

正向介质压力增大时 阀板斜 圆锥表面与阀座密封面挤压越紧，密封效果越好。

A new device for measuring run out error of needle valve seat ′ s cone surface is proposed . The calculating and estimating methods of the error are also described in the paper .

推出了一种新的 针阀 体 座面 圆跳动误差测量装置，介绍了误差的计算与评定方法。

Steady-state Fluid Force Direction of Comparative Analysis about Slip Valve and Cone Valve dual way check valve

关于 滑阀 与 锥阀中稳态液动力方向的比较分析

After analysing the characteristics of gun reamers author presents the de - sign and fabrication of gun reamers for valve guide tube In addition in regard to cutting cone and guide block form as well as geometric parameters practical tests are carried out .

作者在分析了枪铰的特征后，根据该厂加工条件，设计制造了 气门导管孔枪铰，并对切削 锥和导向块的形式以及几何参数进行了使用验证。

The Application of PLC Machine to the Automatic Air ■ Valve Cone Grinder

PLC机在3MZ8060 气阀 锥面自动磨床上的应用

A new kind of hydraulic high-speed on-off valve with giant magnetostrictive actuator and cone valve structure is presented .

介绍了一种新型的液压高速 开关阀，它采用了超磁致伸缩驱动器和 锥体式阀芯结构。

Investigation of discharge coefficient of valve cone

圆锥 阀流量系数的研究

Application of Rectangle Blow Valve in Fan Performance Test and Comparison Experimental Research with Cone Throttling Device

矩形风 阀在风机性能测试中的应用及与 锥形节流器对比试验研究

Fluid control one-way valve used cone disc sealed a good performance .

液控单向 阀采用 锥形阀芯，因此密封性能好。

Final the relationship between cone valve design parameter and flow force is presented . The wedge throttle valve is adopted in Tarim Oil Field and its service life is 5 ~ 7 times of that of the cone valve .

锥阀阀芯设计采用阻尼套 压力补偿法，该方法能实现稳态液动力的欠补偿或过补偿。油田应用证明，楔形节流 阀的寿命是 锥形阀的5～7倍。