| 摘要 |
<p>A fan (F) includes a motor (1), an impeller (2) and a heat dissipating structure (3). The motor drives the impeller to rotate, and the impeller includes a hub (21) and a plurality of first blades (22). The hub has at least a heat-dissipating opening (214). The first blades are disposed around the hub. The heat-dissipating structure is disposed at the outer side of the hub, and the heat-dissipating structure has a baffle (31) and at least a second blade (32) extended from the baffle and located corresponding to the heat-dissipating hole.</p> |
