| 摘要 |
<P>PROBLEM TO BE SOLVED: To almost completely remove frost even by mechanical defrosting. Ž<P>SOLUTION: In this heat exchanger composed of a number of fins 1, 1, etc, arranged in parallel with prescribed clearances, and a heat transfer tube penetrating through the fins 1, 1, etc, and provided with a mechanical defrosting means X composed of a brush 3 inserted among the fins 1, 1, etc, for scraping off the frost among the fins 1, 1, etc, and a driving means for moving the brush 3 along the clearances of the fins 1, 1, etc, a heat transfer face M of each fin 1 has the flat shape, so that the frost Q can be comparatively easily scraped off, and bristles of the brush can be easily inserted among the fins 1, 1, etc. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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