| 摘要 |
<p>An axial flow fan (10) comprises a hub (11) having a longitudinal axis (x), a plurality of fan blades (12), each fan blades (12) having a root (13) and a tip (14), each said root (13) being secured to said hub member (11), whereby said fan blade members (12) extend radially from said hub (11), and a corresponding plurality of arcuate axially-extending members (15), each axially-extending member (15) being secured to a respective fan blade (12).</p> |
