| 摘要 |
<p>A compact heat exchanger excellent in heat transfer performance and small in pressure loss, wherein a plurality of plates (1) each of which has an inflow port and an outflow port for a heat exchange fluid are laminated each plate (1) comprising a seal portion (4) provided on a surface thereof, flow passages (5) for the heat exchange fluid which are formed in the seal portion (4), heat transfer surface elements (3) formed in the shape of mountain or valley projecting or recessed in the direction of the thickness of the plate (1), and fine fins (7) having recesses and projections and formed on the surface of the heat transfer surface elements; and a refrigerating air-conditioning system.</p> |
