In most cases the refrigerant flow is being obstructed as moisture turns to ice at the expansionvalve.
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。
2
It consists of five basic parts, the compressor, the condenser, the evaporator, the receiver, and the refrigerant flow control valve or the thermostatic expansionvalve.
它由压缩机、冷凝器、蒸发器、制冷剂流量控制阀和或恒温膨胀阀五个基本配件组成。
3
This paper describes the stability of control loop consisting of refrigeration evaporator and thermostatic expansionvalve. It may directly influence refrigerating efficiency and operation safety.