| 摘要 |
<p>The radial or diagonal fan (10) has blades (14) which are fitted between a carrier disk (16) and a cover disk (18), and are fixed to both of these, The blades are shaped and are twisted in three dimensions. The blade twisting axis may lie in the region of the leading edge, the center, or the trailing edge. The cover disk may widen against the flow direction (20).</p> |
