| 摘要 |
<p>The exchanger (1) has a block (2) made of tubular elements (3) and rib elements (4). The block is provided with side parts (8) at side surfaces, where the side parts are designed as sheet metal strips. The block is pressed on a collecting tube (5) at an upper side (13) and/or lower side. The collecting tube is formed of multiple recesses (10, 10') for receiving of the tubular elements. Side parts are calked on the collecting tube that is pressed at one of the upper side or the lower side. The tubular elements are designed as flat tubes and the rib elements are designed as corrugated ribs.</p> |
