| 摘要 |
<p>A heat exchanger comprising a heat-conducting structure (2), e.g. sheet, supporting a continuous heat-conducting pipework (4) e.g. of serpentine shape, through which liquid can pass. There are ducts with pervious walls (3) spaced from and adjacent to the pipework (4). Solid material (5) is housed adjacent to but external of the ducts (3).</p> |
