膨胀阀是制冷系统中的一个重要部件，一般安装于储液筒和蒸发器之间。膨胀阀使中温高压的液体制冷剂通过其节流成为低温低压的湿蒸汽，然后制冷剂在蒸发器中吸收热量达到制冷效果，膨胀阀通过蒸发器末端的过热度变化来控制阀门流量，防止出现蒸发器面积利用不足和敲缸现象。
...的设备，从蒸发器中吸收的热量连同压缩机消耗功所转化的热量在冷凝器中被冷却介质带走，达到制热的目的；膨胀阀(Expansion Valve)或节流阀(Throttle)：对循环工质起到节流降压作用，并调节进入蒸发器的循环工质流量。
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... AC 交流电 Alternating Current EXP VLV 膨胀阀 Expansion Valve PSIA 磅/平方英寸绝对值 ...
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... expanding valve 膨胀阀 expanding telescope 束扩散望远镜 ; 激光扩束望远镜 ; 激光束扩展器 expanding shaft 胀缩轴 ; 胀缩卷纸轴 ...
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... valve tappet(valve lifter) 气门挺杆 x-valve expansion valve 膨胀阀 intake valve (suction valve,inlet valve) 进气门 ...
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热膨胀阀 thermo expansion valve ; TXV Thermal Expansion Valve ; TXV ; TEV
自动膨胀阀 automatic expansion valve ; ion valve
热力膨胀阀 Thermoexpension valve ; TXV ; Thermodynamic energy valve
电子膨胀阀 EEV ; EXV ; electronic expansion valve ; Sanhua Exv
恒压膨胀阀 [制冷] constant pressure expansion valve ; automatic expansion valve
恒温膨胀阀 thermostatic expansion valve
手动膨胀阀 [制冷] hand expansion valve ; manual expansion valve
感温式外部均压膨胀阀 Thermostatic Expansion Valve
感温式均压膨胀阀 Thermostaic wxpansion valve ; capillary rupe/expansion valve
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两种常见形式是固定节流阀式或节流管式，以及节流膨胀阀。
Two common types are the fixed orifice, or the orifice tube, and the thermostatic expansion valve.
最经常的情况是，在膨胀阀处水分变成冰儿阻碍了制冷剂的流动。
In most cases the refrigerant flow is being obstructed as moisture turns to ice at the expansion valve.
分析热力膨胀阀和蒸发器调节系统的稳定性，它直接影响着制冷效率和运行安全。
This paper describes the stability of control loop consisting of refrigeration evaporator and thermostatic expansion valve. It may directly influence refrigerating efficiency and operation safety.
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