Piston-type check valve assembly with a plate to control the activities of the piston.
活塞式止回阀装配有一块孔板来控制活塞的活动。
If the excitation of the shock absorber is greater, the control piston moves to its limit position so that oil ceases flowing through the bypass duct, meaning that the full damping force is available.
如果减振器的振幅变大，控制活塞会移动到它的极限位置然后会终止旁通孔的油路，从而开始提供完全的阻尼力。cartech8.com：热心人士积分+ 5
In this measuring system design, we use 8051 MCU as main control part that can harmonize other parts, such as LCD display, pulse generating and pulse counting; pulse stream generator design is a key and hard technology in this system design. We use CPLD as pulse distributor so that motor movement can drive piston pout pulse stream, and the above design had been tested has good performance. The difficulty of the electronic system design lies in the laser is very faint for being photodetected, known as 10-6~10-9W. After lots of test, we bring forward a new design of the photoelectricity system, it has the advantages of both reduce the noise and magnify the signal. Among this, ellipse type filter can reduce the beyond band noise very well. At last, through the performance test and results analysis, primary experimental results indicates that the project useing the method of non-contact IOP measurement based on laser interference to measure IOP should be feasible, and are turning into mature.
本眼压测量系统以8051单片机为主控制系统，主要用来控制其他部分协调工作，如液晶显示、脉冲发生、脉冲计数；脉冲气流发生器是这个眼压测量系统设计中的一个难点和重点，我们通过CPLD实现脉冲分配，然后驱动步进电机产生运动，从而推进活塞产生脉冲气流，性能稳定可靠；电信息处理电路的设计难点在于因为入射到光电检测器的光信号非常微弱，只有10-6~10-9W量级，我们通过大量实验设计出一种新的光电检测电路结构，不但降低了噪声而且对光电转换后有用的电信号进行了适当的放大；电信息处理系统中有源带通滤波器部分对光电检测系统中带外噪声可以很好滤除，有源带通滤波器采用椭圆函数型滤波器对系统性能有很大的改善作用；最后对整体系统进行了性能测试和结果分析，实验结果表明：用激光干涉式非接触眼压测量系统测量眼压这一方案是可行的，而且正在逐渐走向成熟。
With the increasing requirement form the piston manufacture, the analog close-loop control system, which is applied in prevalence, must be improved in processing range, control precision and system reliability to suit for the technology improvement.
随着加工要求的提高，现在普遍应用的活塞外圓模拟闭环控制系统在加工行程、控制精度和系统可靠性等方面需要进一步地提高才能满足技术进步的要求。
Through controlling the step motor moving, the accurate control of the piston pump is obtained.
通过控制步进电机的运动，来实现对柱塞泵流量的精确控制。
The conclusions are helpful to the noise control of piston pump.
研究结果有助于柱塞泵的振动噪声控制。
The piston rings carried in the ring groove are of two basic types: compression rings and oil-control ring.
对活塞环进行的环槽有两种基本类型：压缩环和石油的控制环。
PIC single-chip generates trigger pulse to control the Triac, and then make it possible to control the piston`s displacement, mean position and compressor`s capacity.
通过单片机控制可控硅的控制角，使系统的输入功率改变，从而使压缩机的启动平缓和具有连续可调的排气量。
The mathematical models of mechanical system, thermodynamic system and electromagnetic system of a compressor driven by moving-magnet linear motor were established on the basis of the control method that piston's displacement is changed by changing the triac's time of flow.
通过控制三端双向可控硅的导通时间来控制活塞位移的方法，建立了动磁直线电机驱动的压缩机的机械系统、热力系统及电磁系统数学模型。
Taking a five-story frame structure as an example, the influence of the piston area, piston stroke, accumulator volume and oil elastic modulus on the system s control effect and energy transition efficiency are discussed in detail.
在建立了隔震换能结构体系数学模型的基础上，以一个五层框架隔震结构为例实现了系统的动态仿真分析。
RC series precise rubber injection machine adopts plasticizing and injection completely separated first-in-first-out method. The injection piston is improved to the optimum with precise injection volume; meanwhile, the minimum injection runner length guarantees all the rubber to be fully shot. The floating-type nozzle ensures good temperature control, without aging rubber.
RC 系列紧密注射机，采用塑化部分与注射部分完全分开的先进先出方式，注射杆可以做得更细，注射量更加精确，同时注射流到短，能将塑化的胶料完全射出，且为浮动式喷嘴，温控效果好，不易产生老胶。
The practical expander operation efficiency and performance are tested. The performance changing regulation at different mass flow rate and different revolution are illustrated. In addition, the feasibility of control method design at changing conditions is tested and the result illustrates that the CO2 rolling piston expander is suitable working at relatively stable conditions.
验证了所开发的CO2滚动活塞膨胀机的实际工作的可行性，得出其设计工况下的实际运行效率，并找出了存在的问题；检验了所开发的CO2滚动活塞膨胀机工作变化特性，得出不同CO2流体流量和转速下，其性能的变化规律；检验了变工况设计方案的可行性，得出不同工况下带膨胀机的CO2跨临界循环系统COP的变化规律，可以看出CO2滚动活塞膨胀机只适合在定工况下运行。
Piston check valve flap Rubber Flapper Swing Check Valves, Oil Control Bottom Buffer along the vertical center line of sliding valve check valve, check valve with internal thread can only be installed in horizontal pipes, in the high-pressure small-bore ball valve on the valve flap can be used.
活塞式止回阀瓣沿着阀体垂直中心线滑动的止回阀，内螺纹止回阀只能安装在水平管道上，在高压小口径止回阀上阀瓣可采用圆球。
In the paper, the development and existing problems in the plastic forming technology of high strength aluminum alloy at home and abroad were summarized firstly. Based on the research of the precision die forging 7075 Al-alloy multi-layer cylinder parts and silumin SC100-T6 piston tails, a series of works have been done. The flow control forming process of the key parts in car airbags and hot die forging process of piston tails were successfully developed, adopting the plastic forming theory, FEM and experiment together.
本文首先综述了高强度铝合金塑性成形加工工艺的国内外发展概况以及存在的问题，围绕轿车零件7075(LC4)高强度铝合金多层杯筒形零件和中高硅铝合金SC100-T6活塞尾的精密塑性成形新工艺的研究，采用塑性成形理论、有限元模拟和工艺试验相结合的方法，做了一系列的工作，成功地开发了安全气囊关键零件的流动控制成形工艺和活塞尾精密热模锻工艺。
When the sequence valve is closed, due to the piston to stop down, so that the hydraulic cylinder hydraulic chamber increases, but also in order to open hydraulic control valve.
当顺序阀关闭时，因活塞停止下行，使液压缸上腔油压升高，又打开液控顺序阀。
Piston-type check valve assembly with an orifice to control the activities of the piston.
活塞式止回阀装配有一块孔板来控制活塞的活动。
The control system of a full automatic CNC machine for finish cutting piston end mouth is developed in this paper.
许黎明，胡德金，刘仁茂，李学全，全自动CNC精车活塞止口专机控制系统的研制
When raised, the spool valve directs supply pressure to the bottom side of the servo piston and, at the same time, vents the top side to drain at the upper control port.
上升后，滑阀将供压导向伺服活塞的底部，同时在上控制口将顶部放空。
A piston-shaped valve needle is contained in the bore in a longitudinally sliding fashion and has an essentially conical valve sealing surface by means of which the valve needle cooperates with the valve seat in order to control the at least one injection opening.
一个活塞状的阀针(5)可纵向移动地设置在孔(3)中并具有一个基本上锥形的阀密封面(7)，阀针(5)通过该阀密封面与阀座(9)相配合，以控制至少一个喷射口(11)。
In order to learn through study the influence of piston wind on the metroenvironment so as to control...
在理论研究和现场实测数据的基础上，对控制活塞风的技术方案进行CFD模拟分析，找出合理的改进措施和适宜的控制方案，为地铁环控的设计和改造提供合理可行的建议。