控制阀

货车新型空气控制阀的研制

Development of new type control valve on freight car

基于PLC的输油控制阀测试系统的设计与开发

Design and Development of Transfering Control Valve Test System Based on PLC

CAD技术在矿用液压控制阀设计中的应用

Application of CAD in Design of Hydraulic Pressure Controlled Value in Ores

基于PLC的压力控制阀出口压力自动调节设备的控制

The Controlling System about the Automatic Adjustment of Press Control Values Based on PLC

气动V型球阀是一种直角回转结构的高级控制阀，它与阀门定位器配套使用，可实现比例调节；

Pneumatic V-ball valve is a right angle turn structure of the advanced control valve with positioner supporting the use of proportional control can be achieved ;

在原有PCM流量控制阀组中加上一个定差减压阀，使压力差近似保持定值。

An invariableness pressure decompression valve is added to common PCM to keep pressure discrepancy invariable approximately .

论文的第三章中，采用HSV常闭高速开关阀作为先导控制阀、滑阀作为二级阀的方案。

In Chapter 3 , uses the high speed on / off valve as the pilot-operated valve and slide valve as the secondary valve .

过去在Kv计算中没有考虑阻塞流流动状态下的修正，以使Kv值偏小，影响到控制阀口径选择的准确性。

Former Kv calculation value does not consider the correction under the chocked flow , dwindle Kv value , it affects the exactitude of the aperture slection of the control valve .

三流航天飞机上的控制阀提供三者之间的航天飞机主发动机（服务科学）和外部燃料箱通过主推进系统（ET）的气态氢。

Three flow control valves on the shuttle provide gaseous hydrogen between the three Space Shuttle Main Engines ( SSME ) and the external fuel tank ( ET ) through the Main Propulsion System .

125MW机组减温水控制阀特性研究

A Study on the Characteristics of Desuperheating Water Control Valve

为了获得大流量，必须加大阀开口量，因此，在结构上把2D阀设计成大行程位移控制阀，来控制主阀开口量。

In order to achieve large flow , the open amount of valve must be increased . Therefore , the 2D valve is designed into a large stroke displacement control valves in the structure , to control the opening of main valve .

日本LV-3型高度控制阀

The LV-3 Type Height Control Valve in Japan

建立了CVT液压系统速比控制阀和夹紧力控制阀的功率键合图模型、数学模型和仿真模型，仿真结果表明速比控制阀和夹紧力控制阀的性能满足CVT液压系统的要求。

The model of power bond , mathematics , simulation of speed tatio valve and clamping force valve is built , The simulation results indicate that peed tatio valve and clamping force valve can fulfil the hydraulic system of CVT .

由于控制阀的非线性特性使得本实验中的液位对象具有时滞弱非线性特性，常规DMC算法控制存在明显的模型失配问题并影响了系统的控制性能。

Due to the nonlinear feature of the control valve , the water-level plant in this experiment can be described with a feeble nonlinear system with pure time-delay . So there exists model mismatch problem , and the system control performance is affected when using general DMC algorithm .

OCV（凸轮轴油压控制阀）及执行器作为汽车VVT发动机系统关键部件，接受来自ECU根据实际工况计算出来的最佳气门正时指令，改变运动状态，液压流量，提高发动机性能。

OCV ( The camshaft of hydraulic control valves ) and actuator as VVT engine system ' key components , accepts the best valve timing instructions from ECU ' calculating according to actual working from , changes the motion , hydraulic flow , and improves engine performance .

介绍了铁路救援机车WYZ-8A型主控制阀板的性能测试装置，详细说明了各项性能测试的试验方法。

This article introduces the performance testing device on the railway wrecking car WYZ-8A active control valve board , and explains the testing method of each performance test in details .

对ZY47型自力式压差控制阀和ZL47型流量控制阀进行了性能实验，并依据它们的结构特点和工作原理，提出了选型方法。

Performance experiments about ZY47 pressure-difference control valve and ZL47 flux control valve have been done , based on their structure and work principle , presented the method of type selection .

水压控制阀的研制

Development of hydraulic control valves using water as the working media

隔离式浆体泵驱动液控制阀的改进设计

Design improvement of drive liquid control valve of segregate slurry pump

气动控制阀控制系统爬行和滞后问题的解决方法

A Solution of Stick-Slip Motion and Hysteresis for Pneumatic Control Valves

该系统适用于各类工业控制阀。

The system is applicable to many kinds of industrial valve .

结果确定了碗形控制阀的结构尺寸。

Results The structural size of bowl-shape control valve is obtained .

插装式二通方向控制阀动态特性仿真模型的建立

Building the Simulating Model for the Dynamic Character of the Cartridge Valves

变排量汽车空调压缩机控制阀的特性研究

Behavior of Control Valve in Variable Displacement Compressor for Automotive Air Conditioning

液力减速器液压控制阀的三维流场数值模拟

Numerical Simulation of 3-D Flow through the Control Valve of Hydraulic Retarder

紧急关闭阀是水力控制阀中的一种。

Emergency shutdown valve is in a kind of hydraulic control valve .

一种微小型电磁驱动流体控制阀的研究

Research on a Miniature Valve Driven by an Electromagnetic Actuator

可调微型流量控制阀的流量特性研究及改进

Study on Flow Rate of Regulative Miniature Valve and Improvement

自力式流量平衡阀与自力式压差控制阀

The Self-balanced Flow Valve and the Self-operated Differential Pressure Valve

数字式大流量压力控制阀设计研究

The Research on Digital Pressure Control Valve for High Flow