| 摘要 |
<p>An axial cooling fan sub-assembly, comprising: a hub (1) having a main body and a plurality of blade attachment sites (6), each blade attachment site (6) being located on an outer surface of the main body and being shaped to receive and retain a blade (12); and a plurality of blades (12), each blade (12) having an attachment portion (8) shaped to be received in a blade attachment site of the hub. A method of constructing a small, axial cooling fan sub-assembly, comprising the steps of: providing a hub (1) having a main body and a plurality of blade attachment sites (6), each blade attachment site (6) being located on an outer surface of the main body and being shaped to receive and retain a blade (12); providing at least one blade comprising an attachment portion and a blade portion; and attaching the at least one blade to the hub.</p> |
