Fan device with increased airflow output

Details Fan device with increased airflow output Fan device with increased airflow output

2005-03-22

2005-03-22

Nguyen, Ninh H. (Department: 3745)

Rotary kinetic fluid motors or pumps

With diversely oriented inlet or additional inlet for...

C415S220000, C416S228000

Reexamination Certificate

active

06869269

ABSTRACT:
A fan device with increased airflow output is provided, which includes: a frame having an air inlet and an air outlet, and formed with an opening penetrating through the frame; and a rotating mechanism received in the opening of the frame and connected to a driving mechanism that drives the rotating mechanism to rotate, the rotating mechanism being composed of a hub and a plurality of blades peripherally mounted to the hub, wherein each of the blades is formed with at least an extending portion, and the extending portions are adapted to expose to the air inlet for increasing contact area between the blades and ambient air. By the above fan device with increased air intake, pressure and quantity of airflow outputted from the fan device can be desirably enhanced, so as to achieve optimal heat dissipation effect for an electronic device mounted with the fan device.

REFERENCES:
patent: 3531221 (1970-09-01), Hergerg et al.
patent: 5910694 (1999-06-01), Yokozawa et al.
patent: 6132170 (2000-10-01), Horng
patent: 01315697 (1989-12-01), None

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