Heat-dissipating fan device

Details Heat-dissipating fan device Heat-dissipating fan device

2006-06-13

2006-06-13

Cuneo, Kamand (Department: 2841)

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

C361S694000, C361S693000, C361S703000

Reexamination Certificate

active

07061758

ABSTRACT:
A fan impeller of a heat-dissipating fan device is mounted in a receiving space of a fan housing, and includes coupling ribs that extend radially and outwardly from an outer surrounding surface of a hub cap and that are spaced apart angularly from each other, a smaller-diameter first connecting ring disposed coaxially around an intermediate portion of the hub cap and connected to the coupling ribs, a larger-diameter second connecting ring disposed coaxially around a lower portion of the hub cap, and fan blades that are spaced apart angularly from each other. Each fan blade has a first blade body connected to and disposed uprightly on the first connecting ring, and a second blade body connected to and extending radially from the first blade body and having a bottom end connected to the second connecting ring.

REFERENCES:
patent: 5591008 (1997-01-01), Wrobel et al.
patent: 6163453 (2000-12-01), Hou et al.
patent: 6459580 (2002-10-01), Della Fiora et al.
patent: 6657863 (2003-12-01), Lee et al.

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