| 摘要 |
<p>A heat exchanger (1), wherein a flat plate-shaped tube material (10) is stuck on a roll-formed tube (2) through a fin (3), tanks (4) and (5) are connected to the tube (2), and the tube (2) communicates appropriately with the tanks (4) and (5), the tube (2) comprising a partition wall (22) dividing passages (6) and (6) of the tube (2), the partition wall (22) further comprising an excess part for absorbing a deformation produced when a partition wall part (30) and the tube are formed.</p> |
