The pressure control technology of mould cavity and program control technology of needle valve hot nozzle for sequential feeding were presented.
分析了轿车扶手饰条塑件的成型工艺，介绍了一种利用注射模型腔压力控制与程序控制针阀热嘴顺序进料的技术，解决了细长形空间曲面塑件的精密注射成型问题。
A new design method for pressure control system, including the flow force of nozzle-flapper type pneumatic servo valve, is proposed.
在精密气动控制系统中，特别是在流量控制阀的前段增幅，空气弹簧式除振台的振动抑制等控制系统中[1]，具有结构简单、灵敏度高、动态频域宽等特点的喷嘴挡板式伺服阀得到广泛应用。
The invention also relates to a nozzle body (31) comprising a nozzle outlet which is disposed on the combustion chamber side end thereof, a nozzle needle (33) which is arranged in an axially displaceable manner and/or which can is actuated in a longitudinal recess (32) of the nozzle body (31 a throttle disk (25) which is arranged between the nozzle body (31) and the control valve (20) and which is closed on the rear end (oriented away from the nozzle outlet) of the longitudinal recess (32). Said throttle disk forms an opening stop for the nozzle needle (33) which co-operates with the rear front surface (orientated away from the nozzle outlet) of the nozzle needle (33) and defines the opening stroke of the nozzle needle (33), and a control chamber (45) formed between the rear nozzle needle front surface and the throttle disk (25), said control chamber being hydraulically connected to a pressure connection (29) which is used to supply fuel.
还设置了：一个喷嘴体(31)，在该喷嘴体的燃烧室侧的端部上构成一个喷嘴出口；一个喷嘴针(33)，该喷嘴针在轴向上可运动或可操作地安置在该喷嘴体(31)的一个纵向开口(32)中；一个封闭该纵向开口(32)的后面的端部的、安置在喷嘴体(31)与控制阀(20)之间的节流盘(25)，该节流盘构成用于该喷嘴针(33)的一个打开止挡，在此与该喷嘴针(33)的后面的端面协同作用并由此限定该喷嘴针(33)的打开行程的边界；和一个在该后面的喷嘴针端面与该节流盘(25)之间构成的控制室(45)，该控制室与一个用于燃料输入的压力接口(29)处于液压连接中。
1 ACRII ACRI 序号产品名称 equipment 技术说明 technical specification submit fabrication of the involved components such as main control valve, filter, pressure control valve, pressure measurement meter, flow control valve, leak detection device, quick shut off valve, pressure regulating valve, protection device for insufficient pressure, piping for ignition nozzle, hand-valve, pressure controller, magnet valve, pressure indicator, complying with EU standard and can only apply after the approval of the contractor
其中包含：主燃料供给和控制管路的天然气主关断阀，天然气过滤器，天然气压力调节阀，压力检测表，天然气流量控制调节阀，天然气泄露检测器，快速关断阀，天然气压力恒压器，天然气压力不足保护器等和点火烧嘴燃料控制管路的天然气手动关断阀，天然气压力控制器，天然气电磁阀和流量计等元器件配置依据欧盟标准。
At present, the main product has the fire sprinklers series, wet alarm valve, deluge valve series, the flow indicator series, water spray, water curtain nozzle series, the fire control valves series, PS20~PS80 fire water cannons, PP24~PP64 Fire bubble gun, PSKD30~PSKD60 electric control fire water cannons, PHY Series storage pressure air bubble mixing device, such as the proportion of products in the domestic market by the user's consistent high praise, has great competitive advantage.
目前主要的消防产品有洒水喷头系列、湿式报警阀系列、雨淋阀系列、水流指示器系列、水雾、水幕喷头系列、消防控制阀门系列、PS20～PS80消防水炮、PP24～PP64消防泡沫炮、PSKD30～PSKD60电控消防水炮、PHY系列贮压式空气泡沫比例混合装置等产品在国内市场受到用户的一致好评，具有很大的竞争优势。
The technical problems, about shortage of separation distance, the feasibility of high-rise polymerization factory building, the fire separation and explosion-proof design of polymerization factory building, the selecting and arrangement of water spraying extinguishing system nozzle, the establishment of deluge system valve, and the essentiality of water spraying extinguishing system which is to be established to protect the VCM gasholder, the positioning of water curtain settled under the space which connect the PVC pack house and pack department and how long the system continue operate? The selecting and the quantity of fire extinguishing agent about gas extinguishing system, which will be used in the new 35KV switch station and some rooms including cabinet room, primary control room, UPS room, voltage changer room, belong to new polymerization power panel and UPS station. Designing the model of power supply and distribution for fire-fighting and designing the hardware organization, software, model of data transmission and fire gang control logic programmer about automatic fire alarm system. Making certain the grade of release source point in the fire or explosive atmosphere and delimiting different grade explosion-proof space. Selecting correct explosion-proof construction of electrical apparatus and delimiting the class of building lightning protection, putting forth the concert steps to deal with thunder stroke and electrostatic discharge and so on, have been deeply researched in the process of designing and then the concert steps to deal with them have been putted forth.
针对设计中遇到的防火间距不足、聚合厂房可否采用高层厂房、聚合厂房的防火分隔和防爆设计、水喷雾灭火系统的喷头选型和布置、雨淋阀组设置、VCM气柜是否需要设置水喷雾灭火系统、PVC仓库与包装车间相通处水幕带的布置和系统工作时间的确定、新建35kV开关站和聚合配电及DCS机柜间内的机柜间、主控室、UPS间、变压器室等处设置的气体灭火系统选型和灭火剂用量确定、消防供配电方式、火灾自动报警系统的硬件结构、软件设计、数据传输方式及联动控制设计中的逻辑编程、爆炸和火灾危险环境危险释放源等级确定和防爆区域等级范围的划分、爆炸危险区域电气设备的防爆结构选型、建、构筑物的防雷类别划分及采取的防雷、防静电措施等具体工程技术问题在深入分析研究后，提出了相应的解决措施。
Front cover of cam on control block, the position has not changed, the suction nozzle on the cover of the book myoelctricity and kuyto action game disc so there is no conflict, remove the solenoid valve found solenoids for control of the closed part location is not on its base has to turn aside, rustiness in serious and took out a clean sand, abrosive, reset, electrized device are working properly.
控制上封面的凸轮块位置也没有变化，上封面的吸嘴的动作时序与托书盘的动作也没有冲突，拆下电磁阀发现电磁线圈控制的关闭件位置不在其基座上，已经歪斜，锈蚀严重，拿出用砂纸打磨干净、复位，通电设备运转正常。
A control valve failure may also cause the liquid level in a pressurized vessel feeding liquid to a tank to drop below the vessel outlet nozzle, allowing high pressure vapor to enter the tank.
控制阀故障也有可能造成一个压力容器内的液体流入储罐，打开容器底部的出口喷嘴，从而高压蒸汽进入储罐。
The thesis detailed analyze the configuration and the principium of the scramjet with the two phase flow, establish the model of the pipe, nozzle and valve in the scramjet fuel supply control system with the two phase flow.
本文根据第二章建立的仿真模型，进行了仿真计算，详细分析了含有两相流的超燃冲压发动机燃油供给系统的动态特性，在此基础上，对系统进行了模型辨识。
Piezoelectric type nozzle flapper valve and its control method
压电型喷嘴挡板阀及其控制方法研究
Control System Design for a New Type of Double Nozzle Flapper Valve
一种新型双喷嘴挡板阀控制系统设计
The results show that the nozzle flapper valve has wide pressure control performance, good linearity, and high response speed. And theoretical basis is presented to further introduce the GMA nozzle flapper valve into electro-hydraulic servo valve.
结果表明，基于超磁致伸缩转换器喷嘴挡板阀，具有较宽的控制压力特性，良好的线性度，较快的响应速度，为进一步将其应用于两级电液伺服阀提供了设计和试验依据。
Control pressure characteristics of nozzle flapper valve based on GMA
基于超磁致伸缩转换器喷嘴挡板阀的控制压力特性
Experimental results also indicate that the novel piezoelectric type nozzle flapper hydroelectric servo valve has advantages in simple structure, low cost and high precision, it can meet the need of high precise control system in the recent period.
新型压电晶片型喷嘴挡板式电液伺服阀结构简单、成本低、精度高，可以满足精密控制系统的要求。
Electro-hydraulic servo valve is the core component of hydraulic servo system and the twin flapper-nozzle electro-hydraulic servo valve is widely applied in the navigating control field for astronavigation, navigation and aviation.
电液伺服阀是液压伺服系统的核心部件，其中双喷嘴挡板电液伺服阀在航天、航空、航海等领域应用最为广泛。
The experimental results show that nozzle-flapper servo-valve driven by piezoelectric bimorph is simply structure、quick response、high resolution ratio、little electromagnetic interference and easy control, so it can meet the need of modern sophisticate high-speed control system.
试验结果表明：双压电晶片驱动喷嘴挡板式伺服阀具有结构简单、响应快、分辨率高、无电磁干扰、易于控制的优点，可以满足现代精密高速控制系统的需要。
Be involved in mixed components be selected and switched over through hydraulic drove the nozzle needle valve and pass system and PLC control.
参与混合组份的选择及切换由液压驱动的喷嘴针阀及其旁路系统实现以及PLC控制。
Principle and advantages of ultra-high speed injection molding realized by nozzle valve control were introduced.
对前端控制式超高速精密注射成型的工作原理以及技术优势进行了介绍。
Study of the Principle of Ultra-high Speed Injection Molding Realized by Nozzle Valve Control
前端控制式新型超高速精密注射成型原理的研究
In this paper, a microfluidic control system is designed to control the volume of fluid in a device by using a kind of diffuser/nozzle piezoelectric valve-less micropump in order to achieve the zoom function.
基于以上应用背景，本课题利用扩散管/收缩管型无阀压电微泵设计了一个微流控系统，通过控制装置中微量流体的体积来改变液滴表面的曲率，从而实现变焦功能。