Frame device of a fan

Details Frame device of a fan Frame device of a fan

2007-04-03

2007-04-03

Nguyen, Hoang (Department: 3748)

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Casing with mounting means

C415S214100

Reexamination Certificate

active

10959968

ABSTRACT:
A frame device of a fan comprises a lower frame and a plurality of jut units. The lower frame is hollow. The jut units are disposed on the lower frame in a way of spacing apart from each other and extend upward and slant outward to constitute an entrance such that a plurality of elongated passages are formed for fluid flow. A fan wheel with a plurality of fan blades is associated with the lower frame. When the fan wheel rotates, more fluid can flow in the fan to enhance heat dissipation efficiency and reduce noise.

REFERENCES:
patent: 1843786 (1932-02-01), Robinson
patent: 5288203 (1994-02-01), Thomas
patent: D356777 (1995-03-01), Katsui et al.
patent: 5409352 (1995-04-01), Lin
patent: 5437327 (1995-08-01), Chiou
patent: 6047765 (2000-04-01), Zhan
patent: D466092 (2002-11-01), Hsieh

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