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US 2006/0222536 A1Published application
Axial fan
AssigneeDelta Electronics, Inc.
InventorsShun-Chen Chang, Wen-Shi Huang
Life of this patent
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Abstract
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.
Claims21
A fan, comprising:
- a base;
- a rotor mounted on the base;
- and
- at least one blade disposed around the rotor and comprising a passive part corresponding to an external feeding port, and an active part so that a main airflow from the feeding port drives the passive part to rotate so as to synchronously rotate the active part.
1 more element
A fan without a motor, comprising:
- a base;
- a rotor mounted on the base;
- and
- at least one blade disposed around the rotor and comprising a passive part corresponding to an external feeding port, and an active part, wherein a main airflow from the feeding port functions as a source of power for driving the passive part so as to synchronously rotate the active part.
1 more element
Dependencies are inferred from the claim text.