| 摘要 |
<p>The heat-accumulator comprises a large number of passages through which a medium flows. It (11) comprises a number of layers of corrugated, embossed or beaded strips (12), assembled together with other strips (13), the latter being either smooth or with a different type of corrugation, embossing or beading, in between them. The strips or plates of one type can all have the same cross-section, or different ones, to form different-shaped passages, and they can be wound together into a round body.</p> |
