| 摘要 |
<P>PROBLEM TO BE SOLVED: To reduce weight of a refrigerant piping unit forming a refrigerant passage in which refrigerant flows while securing the strength of a member forming the refrigerant passage. Ž<P>SOLUTION: The refrigerant piping unit (25) is provided with a refrigerant passage part (25a) composed of upper-side/lower-side passage members (26a, 27a) overlapping each other and forming the refrigerant passage (30) by passage grooves (40, 41, 42) formed on at least one of the mutual overlapping surfaces, and a four-way switching valve (140) connected to the refrigerant passage (30) for controlling a circulation state of the refrigerant circulating the refrigerant passage (30). The refrigerant passage part (25a) and the four-way switching valve (140) are connected by the connection members (26b, 27b) formed in plate-like shapes. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
|
