| 摘要 |
A heat dissipating fan includes an impeller which has a hub extended forward from a rear wall. The hub has a plurality of first tenons formed at the front rim and a plurality of spaced slots. The spaced slots form a plurality of radial lugs such that the hub becomes elastic. The rotor of the fan is placed in the hub quickly and securely to complete the fan assembly. The impeller further has an annular sleeve which has a plurality of second tenons. Each second tenon is bordered by a pair of second slots at two sides. The motor shell may engage with the inner circumference of the sleeve and is held securely by the second tenons.
|
