| 摘要 |
An advection-type fan includes a fan frame, a driving module and an impeller. The fan frame has a first cover portion, a second cover portion and a lateral wall portion arranged between the first and second cover portions, wherein the lateral wall portion has an air inlet and an air outlet. The driving module is received in the fan frame and coupled with the first cover portion. The impeller has a hub and a plurality of vanes. The hub is rotatably coupled with the driving module and the vanes are coupled with the hub. The hub has an air-guiding plane facing the second cover portion. Each of the vanes has a top edge facing the second cover portion. The top edge of each of the vanes is higher than the air-guiding plane of the hub in an axial direction of the hub. |
