According to the structure of servo mechanism on HD2se-ries pump, their functions have been analyzed. The structure and control process of constant power valve are mainly discussed.
根据HD 2系列泵伺服机构的组成，分析了它们各自在HD 2系列泵中所起的作用，着重讨论了恒功率阀的结构和控制过程。
The products are included metal seated Vulcan Power Valve, General Severe Service Series metal and ceramic seated Ball Valves and Signature Series metal and ceramic seated Ball Valves.
产品包括金属座铁匠电站阀门，金属座陶瓷座全能系列球阀，金属座陶瓷座超凡系列球阀。
They attributed it to a valve closing, not unlike other occasional noises in a power plant.
他们当时认为那是阀门发出的声音，电站里偶尔会有这样的响声，没啥不对劲的。
BLEED valve, a valve in the pneumatic system for air supply from the engine or auxiliary power unit to the pneumatic manifold.
引气活门，气源系统内，使来自发动机或辅助动力装置的空气进人气源支管的活门。
The valve is driven directly by a large strake multilayer piezoelectric stack, its displacement actuates the power cascade spool after amplification by a lever mechanism.
该阀采用大行程的压电叠堆作为驱动元件，经杠杆放大后的位移直接驱动功率级滑阀。
Of course, in the hydraulic control system of the various electromagnetic valve, and so is the need for power.
当然，在液压控制系统中的各种电磁阀等也是需要电源的。
Substantial construction, working principle and practical maintenance method of revolving valve type power steering gear is presented in detail.
详细地介绍了转问式动力转向器的具体结构、工作原理和具体维护方法。
Four-stroke engines of this type with this same type of intake valve motion but with a supercharger to make up for the loss of power density are known as Miller cycle engines.
四冲程发动机本与此同进气阀运动类型的类型，但以使增压器的功率损耗密度，这些都是为米勒循环发动机众所周知的。
Finally, scheduling and precautions for verification tests of the calibration pressure of main steam safety valve under 83 % FP power level are given.
最后，给出在83 %FP以下的功率运行下进行主蒸汽安全阀定值校验试验的窗口安排与注意事项。
As for the strong nonlinear and uncertain characteristic of the power system, the nonlinear state PI coordinated controller of excitation and valve is proposed in this paper.
针对电力系统的强非线性和不确定性的特点，直接对其非线性不确定对象设计了非线性状态PI励磁汽门协调控制器。
Discharge valve should be closed after cutting off the electric motor. Cut off power first, then close discharge if the electricity is cut off suddenly during the running.
停车后应关闭排出阀。在运转中若突然停电，则应先断电源，后关闭排出阀。
The microcomputer controlled test stand 701 adopts power stepping motor to drive the original operating valve to carry out tests.
此种微机控制701试验台，是采用功率步进电机驱动原操作阀进行试验的。
The clear water supply control system of Xiaolangdi Power Station includes a valve control system of the clear water pool and a cycle pump control system.
小浪底水力发电厂清水供水系统分为清水池阀门控制系统和回水泵控制系统。
Utilizing a high contrast liquid crystal light valve (LCLV) to perform joint power spectrum nonlinear processing, real time nonlinear joint transform correlation is implemented.
利用高对比度液晶光阀（LCLV）对联合功率谱进行非线性处理，实现了实时非线性联合变换相关。
The box cover is provided with a temperature control system, in the constant temperature box rear drain valve and an external power supply socket.
箱盖上有控温系统，在恒温箱的后部是排水阀及外接电源插座。
This instrument can output 3v power to servo valve and is convenient for testing servo valve and oil motor at site.
本仪器可输出3V电源给伺服阀，便于伺服阀和油动机现场调试使用。
A dynamic simulation model of start-up process including fuel pumped section and the dynamic nozzle valve lever, etc. is established for the torpedo thermal power system with pressure adjustment mode.
文中针对使用燃料压力调节供应方式的热动力系统，建立了包括充填集液腔和喷嘴阀杆运动等启动过程动态仿真模型；
That the optimum fuel injection timing corresponding to one operating mode of engine is determined by adjusting the solenoid valve can improve economy and power, and lower the emissions of engine.
这样通过调节电磁阀就可以实现发动机在不同工况下有最佳的供油提前角与之匹配，从而达到改善发动机经济性和动力性并降低废气排放之目的。
The power stage of servovalves is spool valve, playing the role of hydraulic pressure amplifier.
电液伺服阀的功率级一般为滑阀，起液压放大器的作用。
The use of rechargeable battery charging to the valve, fluid flow of the energy supplement for battery power.
利用充电蓄电池向阀门充电，流体流动产生的能量可为蓄电池补充电。
The simulation result shows that the control strategy can realize the dynamic decoupling control of excitation and valve and so it can considerably increase the dynamic stability of power system.
研究结果表明，该控制策略实现了励磁控制与汽门调节的动态解耦，应用该方法可显著提高电力系统的暂态稳定性。
Digest Analyed the combusible oil electromangnetism total valve of our power plant existed problems, Introduced to the means of solve and have obtioned purposes.
分析了电厂燃油电磁总阀控制回路存在的问题，介绍了解决办法及取得的效果。
Ratio, servo hydraulic pressure technology, low power pneumatic control valve, production of stuffing.
比例、伺服液压技术，低功率气动控制阀，填料密封生产。
Nozzle; High quality'kerric'faucet, and its valve spool are used the international porcelain valve spool, its surface is coate with epoxy resin power.
水嘴：采用“科艺牌”全铜质精铸成型实验室专用水龙头，阀芯采用国际通用的瓷阀芯，表面经环氧树脂粉沫喷涂处理。
In view of the operation situation of valve-control sealed battery in power system, some practical maintenance methods are presented in this paper and their feasibility is discussed.
针对阀控密封式铅酸蓄电池在电力系统的使用情况，介绍了几种实用的维护方法，并进行了可行性探讨。
As important equipment in the ash removing system in power plants, valve needs fine components and advanced control method because of the sordid environment of the workshop.
阀门作为火电厂除灰系统中的重要装置，由于车间环境恶劣，因而需要高标准的部件和先进的控制方法。
As important equipment in the ash removing system in power plants, valve needs fine components and advanced control method because of the sordid environment of the workshop.
阀门作为火电厂除灰系统中的重要装置，由于车间环境恶劣，因而需要高标准的部件和先进的控制方法。
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