| 摘要 |
PURPOSE: A device for connecting a capillary tube to an evaporator is provided to reduce noises caused due to the sudden expansion of refrigerant. CONSTITUTION: A connection tube(20) for connecting a capillary tube(10) and a refrigerant tube, has the primary expansion unit(22) for expansion of the refrigerant flowing from the capillary tube; and the secondary expansion unit(24) for expansion of the refrigerant passed through the primary expansion unit. The primary expansion unit has the primary throttle portion(22a) having a relatively smaller diameter and the primary expansion portion(22b) having a relatively larger diameter and which is connected to the primary throttle portion. The secondary expansion unit has the secondary throttle portion(24a) having a relatively smaller diameter and the secondary expansion portion(24b) having a relatively larger diameter and which is connected to the secondary throttle portion.
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