| 摘要 |
<p>PROBLEM TO BE SOLVED: To improve heat exchange efficiency of layers formed by laminating two or more stages of inner fins inside a heat exchanger.SOLUTION: A ridge line 5a of a first offset fin 5 on a side of an object 4 to be heat exchanged is disposed in parallel to a circulation direction of a heat transfer medium 7 and a ridge line 6a of a second offset fin 6 that is another inner fin is disposed so as to be orthogonal thereto.</p> |
