您要查找的是不是：
- expansion valve piston 伸缩式阀活塞
- Remove the cover and diaphragm. The relief valve piston assembly can be lifted straight up and out. 拆卸阀盖和隔膜。安全阀活塞总成可以笔直提出到外面来。
- Relief valve piston O-ring not free to move due to pipe scale, dirt or build up of mineral deposits. 由于管道的划痕、污垢或矿物质沉淀累积造成安全阀活塞O形环无法自由移动。
- The working process of the pneumatic valve was descried and the force on the valve piston was analyzed. 通过对气动阀工作过程的描述及对其阀芯的受力分析,提出了气动排污阀设计方法。
- Software and Hardware Design of Experiment Instrument for Electronic Expansion Valve Based on SCM. 基于单片机的电子膨胀阀试验机的软硬件设计。
- Air-cond machine: compressor balance block, expansion valve body, flange parts etc. 空调机械：压缩机平衡块，膨胀阀阀体，法兰.
- Part I, the stability of an evaporator superheat control system with an electrical expansion valve is investigated. 第一部分：研究了在PI控制下蒸发器过热度控制的稳定性。
- Thermostatic Expansion Valve - designed to maintain the proper evaporator temperature. 热力膨胀阀-旨在保持适当的蒸发温度。
- Thermostatic expansion valve, produced by imported know how from ALCO in U.S.A., is with advanced charge method and with good performance. 向美国ALCO公司引进技术制造的热力膨胀阀充注技术先进，性能稳定可靠，深受用户欢迎。
- The structual characteristic and the technology reguirement of the mitre valve piston were analyzed in this paper,a fairly feasible fixed angled hole mould was designed by the method of technology benchmark for the angled hole machining. 对锥阀芯的结构特点及工艺要求进行分析,采用工艺基准法设计出一套适用性较强的固定式钻模,用于锥斜孔零件的加工。
- The experimental result shows that using electronic expansion valve instead of thermal expansion valve , the cooling capacity increases by 11.4%, COP increases 9.6%. 试验表明:使用电子膨胀阀对比使用热力膨胀阀;机组的制冷量提高11.;4%25以上、COP提高9
- valveless piston expansion engine 无阀活塞式膨胀机
- The idea is proposed that the flow characteristic of electronic expansion valve should adapt to superheat gain to refrigerant flow rate under different evaporation temperature. 摘要指出了蒸发器变流量特性对电子膨胀阀流量增益特性的补偿要求；
- Experimentation analysis of the influence of the openness of the expansion valve and evaporation temperature on the capability of the heat pump dehumidification in this paper. 对除湿机膨胀阀开度和蒸发温度对除湿机性能的影响进行了实验分析。
- In this paper,the physical and mathematical models for refrigerant two-phase flow in an electronic expansion valve(EEV) are presented and solved numerically with two-fluid model. 本文根据两相流原理建立了电子膨胀阀内制冷剂两相流动的数学、物理模型，并应用双流体模型数值求解，得出了节流过程压力场、汽液两相速度场及干度的详细分布。
- Through analysis on the geometry of electronic expansion valve (EEV) flow passage, the working passage of EEV was simplified to a series of short nozzles. 摘要通过对膨胀阀内节流工作段几何结构的分析，将其简化为短喷嘴结构。
- hydraulic relay valve piston cup 液压继动阀活塞皮碗
- For VRV systems, commonly attached electrical expansion valves based on turn down ratio are adopted. VRV系统采用自带的以计量电子膨胀阀开度为主的计费方式;
- The method and principle replac ing the expansion valve with a vortex tube to enhance the efficiency are present ed. A new kind of piston-cylinder expansion machine appropriate for small capac ity refrigeration application is also introduced. 论述了涡流管代替膨胀阀提高系统效率的方法、原理,并介绍了一种适合小型制冷系统的新型气缸活塞式膨胀机。
- This paper presents a controlling method for the refrigerant feed control using an electronic expansion valve(EEV) in the GEHP system due to the inapplicability of thermodynamic expansion valve(TEV). 鉴于热力膨胀阀对燃气机热泵变容量调节特性的不适应性,本文应用电子膨胀阀对燃气机热泵系统流量调节进行了理论与实验研究。
