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- automatic expansion valve 恒压膨胀阀,自动膨胀阀,自动膨胀滑阀
- 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。
- An automatic test system for the expansion valve; 电子膨胀阀综合性能测试系统;
- 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 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
- 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。
- 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。
- 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;
- By applying black box theory inlet pressure, inlet subcooling, outlet pressure and valve opening are selected as influence factors to flow coefficient of electronic expansion valve (EEV). 根据黑箱理论提出将阀前压力、阀前过冷度、阀后压力和膨胀阀流通面积作为膨胀阀流量系数的影响参数。
- The strengths for flow regulation and superheat adjustment of electronic expansion valve are purposed,as well as the development trend is analyzed in air-conditioning or commercial freezing area. 从制冷系统节流机构的流量调节稳定性、过热度控制原理、系统节能、瞬态反应特性、部分负荷调节特性方面,比较分析了几种节流机构应用于制冷装置中的特点。
- The characteristics of flow-versus-condensing pressure in electronic expansion valve (EEV) with R410A, a new environment-friendly refrigerant as working fluid were experimentally investigated. 摘要以新型环保制冷剂R410A为工质，实验研究了电子膨胀阀的流量随冷凝压力的变化规律。
- A 4-speed automatic transmission is optional. 四段自动变速器是可自由选择的。
- He plans to import an automatic bobbin loader.. 他计划进囗一架自动装线机。
