车辆液压动力转向系统通过伺服阀控制压力油的方向和流量，把转向盘输入的转角信号转变为车轮的偏转角度输出。
Vehicle power steering systems control direction and flow of pressure oil with servo valves, then transfer angular inputs from steering wheels to corner angular outputs of road wheels.
由电液比例换向阀和轴向变量泵组成的比例变量泵系统是一种新型液压动力机构。
The proportional variable pump system made up with electrohydraulic proportional reversing valve and axial variable pump is a new kind of hydraulic dynamic structure.
提出了约束活塞型内燃式水泵的概念和它的工作原理，对其阀式配流系统进行了动力分析。
The concept of Hydraulic Confined Piston Internal Combustion Pump (CPICP) and its working principle are put forward, also the dynamic analysis of the valve type orifice system is made.
阀是动力转向器的关键元件，其静特性决定着转向器的性能。
Valves are key components for a power steering gear, and performances of a steering gear depend on their static characteristics.
提出约束活塞型内燃式水泵的概念并阐述其工作原理，建立了阀式配流系统的动力模型。
The dynamic equation of valve type orifice system of confined piston internal combustion pump was built.
这样的结构改善了摇臂轴的支撑刚度以及阀驱动系统的动力性能，并且减少了零件的数量和人工的工时数量。
This structure improves the support rigidity of the rocker shaft and the dynamic characteristics of the valve drive system, and reduces the number of components and the number of working man-hours.
单作用动力单元中间阀块。
通过亚稳态液体闪蒸形成的蒸发波以及气体动力学非连续理论，建立了电子膨胀阀壅塞机理模型。
A mechanical model of choking flow in the expansion valve was presented, which is based on the expansion wave and gas dynamics discontinuities theories.
举个例子，在上一代飞机中，引擎中的高压气通过排除阀到达辅助动力系统，该系统控制着空调设备。
In last-gen aircraft, high-pressure gas is taken from the engine and transported through bleed valves to the auxiliary power system, which controls air-conditioning, for example.
本文介绍了一种用于压水堆动力装置的间接操作式高温高压电磁阀的开发过程。
A process for development of the Pilot Type HTHP Solenoid Valve used in a PWR power plant is described in this paper.
软件能够实现节流阀开度调整的一次到位，大大提高了水动力调整的速度和精度。
The software can realize the adjustment of the throttle opening only once. It greatly enhances the speed and the precision of hydrodynamic adjustment.
内置的止动装置为动力执行机构提供行程保护，并且作为参考坐标在开启和关闭位置定位阀瓣。
Internal stops provide positive over travel protection for power actuated valves and act as a reference to position the discs in the open and closed positions.
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。
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.
在液压系统中，压力控制阀用于控制油缸驱动力。
Pressure control valves are used in hydraulic systems to control actuator force.
PWR的压力释放装置主要有四种类型：直接作用式安全阀、先导操作压力释放阀、动力作用式压力释放阀和具有辅助装置的安全阀。
There are four types for PWR pressure-relieving devices: direct acting safety valve, pilot-operated pressure relief valve, power-operated pressure relief valve and safety valve with auxiliaries.
基于运动学和动力学基本原理，对混凝土S管阀的运动学和动力学进行了分析。
Thirdly, The kinematical and dynamic state of the distributing value is analyzed in the case of S type.
双作用动力单元中间阀块。
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；
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.
提出了平动式喷嘴挡板阀的概念，并对平动式喷嘴挡板阀的静态特性和液动力进行了分析。
A new concept of the translation nozzle baffle valve was presented, its static properties and flow force were analyzed.
呼吸阀动力和自动档，二者不可兼得。
Power and automatic transmission, the two can not have both.
目前用开关阀实现的气动伺服控制已成为流体动力控制领域竞相研究的对象。
At present, the pneumatic servo control using on-off valves has become a subject researched on competitively in the domain of fluid power control.
当使用一套液压提升集时，那么一个提供液压动力的方向控制阀是必需的。
When a set of Hydraulic Elevators are used, then a hydraulic supply from a directional control valve is required.
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 flow force is the important factor for designing and analyzing both the control valve and the hydraulic system.
本文根据流体动量理论导出了阀芯关闭过程中液动力的关系式，在此基础上建立了二通插装阀阀芯关闭运动方程。
From fluid flow momentum theory the basic equation of flow dynamic forces in the spool closing process is derived, and the spool dynamic equation of the two-way cartridge valve is established.
提供液压动力源所需的部件和控制阀的组合。
An assembly of components and controls necessary to provide a hydraulic power supply.
建立了典型伺服阀控摆式车辆动力系统的物理模型和线性化数学模型。
The physical model and the linear mathematical model of a typical servo valve-controlled tilting car are built up.
当按照动力装置控制方案要求换挡时，电信号由微计算机送到液压阀。
Electrical signals are sent to the hydraulic valves by the microcomputer when a gear change is required by the powertrain control strategy.
当按照动力装置控制方案要求换挡时，电信号由微计算机送到液压阀。
Electrical signals are sent to the hydraulic valves by the microcomputer when a gear change is required by the powertrain control strategy.
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