| 摘要 |
An axial fan comprises a base, a rotor mounted on the base by a shaft, and a plurality of blades mounted on the rotor. The blade comprises a passive part corresponding to a feeder and an active part, so that a main airflow from the feeder drives the passive part rotating around the shaft to synchronously rotate the active part, to increase flow rate of airflow, to decrease the pressure and to dissipate heat generated from a heat source.
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