| 摘要 |
The exchanger (20) has an internal tube (24) placed inside an external tube (22). The internal tube has external side provided with heat-conducting ribs (30) and internal side provided with heat-conducting ribs (32, 34). The ribs (32, 34) are terminated from the interior side of the internal tube at certain distance from a median axis (M) of the external tube, where the internal tube is made of aluminum alloy. The ribs (30) are placed in a discharge path (26) and the ribs (32, 34) are placed in another discharge path (28). |
