| 摘要 |
<p>PURPOSE:To provide an air conditioner for vehicle in which pipings for refrigerant can be supported in the condition of obstructing transmission of vibration to a vehicle body side without providing a particular vibration insulating countermeasure, noise due to pulsation of refrigerant can be restrained, and heat exchange between the refrigerant and the other fluid can be performed on the way of the pipings for refrigerant. CONSTITUTION:A silencing part 4 of which the flow passage area is enlarged is arranged on the way of pipings 8,9 for refrigerant in which refrigerant passes through, and a part of a piping 10 for dissimilar fluid in which fluid of different temperature from that of the refrigerant flowing in the silencing part 4 is inserted through the silencing part 4 so as to support the pipings 8,9 for refrigerant with the piping 10 for dissimilar fluid. The inserted part of the piping 10 for dissimilar fluid in the silencing part 4 is helically wound around the center line L of flow of the refrigerant in the silencing part 4 while crossing in the radial direction, the refrigerant passing through the silencing part 4 is let repeatedly collide with the piping 10 so as to cancel pulsation of the refrigerant, and hence the silencing effect is improved.</p> |
