| 摘要 |
<P>PROBLEM TO BE SOLVED: To easily and inexpensively provide a heat exchanger capable of minimizing the formation of fluid film, significantly improving heat exchanging efficiency, keeping a continuous operation for a long time, and expecting a large energy saving effect. <P>SOLUTION: This heat exchanger exchanging heat through a pipe wall of a heat exchange pipe 1 includes a coiled spring 2 inscribed in a heat exchange pipe 1, and a power unit 6 for rotating and/or reciprocating the spring 2. <P>COPYRIGHT: (C)2012,JPO&INPIT |
