Hydraulic systems use cartridge valve integrated control system, integrated cartridge valve control system has good sealing, flow capacity, small pressure loss characteristics etc.
液压系统选用插装阀集成控制系统，插装阀集成控制系统具有密封性好，通流能力大，压力损失小等特点。
Hydraulic engineering is concerned is concerned with systems involving the flow and control of water or other fluids.
水利工程涉及到水或其他流体的流动与控制系统。
It has the higher switching speed and frequency and can be used as the pilot valve for a larger flow rate valve, or as a direct control valve for small flow rate hydraulic loop.
该阀具有很高的切换速度和频率，可以用来作为大流量高速开关阀的先导控制阀，也可以在小流量回路中直接作为控制阀使用。
The three dimensional flow field of the step cylinder in Hydraulic Control Rod Driving System (HCRDS) is calculated and analyzed with the computational fluid (dynamics) program CFX5 in detail.
应用计算流体力学程序CFX5对水力驱动控制棒步进缸内部的三维流场进行了计算和分析。
This paper studies the dynamic characteristics of Electro hydraulic Position Servo System, and proposes a method of equivalent flow feedback to realize serial control.
针对单回路电液位置伺服系统的动态特性，提出了一种等效流量反馈的控制方法，从而实现了串级控制。
A thrust hydraulic system of shield tunnelling machine integration of pressure and flow control was designed.
设计了一种基于压力流量复合控制的盾构推进液压系统。
Changing the speed of electric motor by using ac frequency conversion is to regulate output flow of hydraulic pump to control the velocity of the motion of hydraulic actuator.
通过交流变频调速改变电机的转速来调节液压泵的输出流量。控制液压执行元件的运动速度。
A thrust hydraulic system of shield tunnelling machine with pressure and flow compound control was designed, and hydraulic cylinders were also controlled in groups.
设计了一种基于压力流量复合控制的盾构推进液压系统，对液压缸进行了分组控制。
This type of flow sensor is widely needed in the flow control systems and has been successfully used in the home-produced prototype hydraulic elevator with flow electrical feedback control system.
作者研制的动态流量计是国内流量控制系统中所缺乏和急需的器件，已成功地应用在国产液压电梯流量反馈控制样机上。
The adapter also includes a check valve to control fluid flow and provides a hydraulic cushion feature.
该适配器还包括一个单向阀来控制流体流动提供了一个液压缓冲功能。
Widely used in control circuits of upper hydraulic systems on truck cranes, applicable to switch valves of control oil with low flow and low pressure circuits.
广泛用于汽车起重机上车液压系统的控制回路，适用于小流量、低压力回路的控制油液的开关阀；
Describes its working principle, process flow and structural characteristics, especially the working principle of its hydraulic control system that is the core in machine reforming.
介绍了其熔压原理、工艺流程及结构特点，并对设备改造的核心部分液压控制系统的原理进行了详细的说明。
The topics mainly include the design of hydraulic system of drum roll mill and information flow control device.
本课题的内容主要包括筒辊磨液压系统和料流控制装置设计。
Typical applications include connection to high flow manual hydraulic valves, variable volume pumps and HST's to obtain remote electrical control of these types of devices.
一般应用包括高流量手动液压阀连接、变流量泵和HST来对这些类型的设备进行远程电力控制。
This paper adopts the control technology of single chip C8051F320 core in electronic-hydraulic proportional flow valve.
在电液比例流量阀中，本文采用了以单片机c 8051f 320为核心的控制技术。
The main strategy should include in itself the use of three-dimensional flow theory, improvement of vanes stacking skill, control of hydraulic losses, and use of CFD in vane design procedure.
采用三维流动理论，改变叶片造型方法，控制水力损失和引入CFD方法是提升现有轴流泵叶片设计的主要策略。
The radial piston pump can adopt manual-control or electro-hydraulic proportional control to realize the control of constant flow, constant pressure, constant power and load sensitivity etc.
径向柱塞变量泵可以采用手动控制、电液比例控制或负载敏感控制等多种控制方式，实现恒流量、恒压力、恒功率的控制。
However, the need for oil flow in hydraulic circuit reverse flows can use hydraulic control, opening a one-way valve, so that the flow of oil can flow in both directions.
但在液压回路中需要油流反向流动时又可利用控制油压，打开单向阀，使油流在两个方向都可流动。
This method is applied in the pump liquid control system by hydraulic coupling, the experimental results is satisfactory when the flow disturbance varies far.
该方法应用于渣浆泵调速型液力耦合器调速液位控制系统，在干扰流量变化很大的情况下，均获得了满意的控制效果。
From the view of flow control, the method of cavitation resistance of a pilot-operated water hydraulic valve was investigated.
从流场控制的角度，研究了先导式纯水溢流阀抑制汽蚀方法。
The flow force is the important factor for designing and analyzing both the control valve and the hydraulic system.
液动力是设计、分析液压控制阀及液压系统考虑的重要因素之一。
The hydraulic machinery test stand in multiphase flow and its automatic measure-control system is set up in this paper.
本研究建立了水力机械多相流动试验台及其自动测控系统。
Hydraulic station built-in flow control valve, adjustable lifting and turning speed.
液压站内置流量控制阀，可调校升降及翻转速度。
The flow resistance of the integrated valve is one of the key parameters for the design of the control rod hydraulic drive system(CRHDS).
控制棒水力驱动系统是核供热堆的关键系统之一 ，其运行失效将直接导致供热堆的非计划停堆。
The reconstruction scheme of electric control system of hydraulic tester for seamless steel tube in TPCO was introduced. The process flow and programming keys for hydraulic tester are explained.
介绍了对天津钢管集团有限公司使用的美国无缝钢管水压试验机的电气控制系统改造方案，并对该水压机的工艺流程和编程的要点进行了说明。
And to give the two hydraulic control flow diagrams, and research on the electro-hydraulic proportional control technology used by the system.
还给出了起、停车时两回路的液压控制程序框图，并对系统采用电液比例控制技术等相关问题进行分析、研究。
The hydraulic system of injection molding machine is the representative example, it need to control cylinder speed and hold pressure, so it indeed to use pressure and flow rate multiple valve.
在注塑机液压系统中，要求能在注塑油缸运动的过程中对其进行速度控制和在保压过程中进行压力控制。 这就需要用到压力-流量复合阀来进行压力和流量的控制。
Owing to the fact that various flow path assemblages in hydraulic system have been changed in a slim hole, it is even more important to predict and control the surge pressure in the slim hole.
在小井眼中，由于水力学系统各流道组合发生了改变，预测和控制小井眼波动压力就显得尤为重要。
Owing to the fact that various flow path assemblages in hydraulic system have been changed in a slim hole, it is even more important to predict and control the surge pressure in the slim hole.
在小井眼中，由于水力学系统各流道组合发生了改变，预测和控制小井眼波动压力就显得尤为重要。
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