| 摘要 |
<p>An electrical blower according to the present invention includes an impeller and a driving module. The impeller includes an upper surface which is an air inlet part, a lower surface which is an air outlet part, and blades formed between the upper and lower surfaces, wherein guide grooves are formed on the upper and lower surfaces to balance a motor. The driving module includes a rotating unit which is coupled to the impeller to drive the impeller and a fixing unit, wherein the rotating unit includes a magnet and the fixing unit includes an armature composed of a core and a coil arranged to face the magnet. The driving module also includes an air bearing unit formed between the rotating unit and the fixing unit. The rotating unit and the impeller are rotated by the electromagnetic force of the magnet and the armature. The driving module is stored in the impeller.</p> |
