Fan and impeller thereof

Details Fan and impeller thereof Fan and impeller thereof

2008-09-12

2011-12-27

Nhu, David (Department: 2895)

Rotary kinetic fluid motors or pumps

With sound or vibratory wave absorbing or preventing means...

C415S175000, C416S228000, C416S243000

Reexamination Certificate

active

08083470

ABSTRACT:
A fan includes a frame, a motor and an impeller. The motor is disposed on the frame and coupled to the impeller to drive the impeller to rotate. The impeller includes a hub, a plurality of blades and an air exhausting structure. The hub has an opening formed on a top portion of the hub. The blades are disposed around the hub. The air exhausting structure is disposed in the opening for discharging hot airs generated by the motor out of the hub.

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