Heat-dissipating device and its manufacturing process

Details Heat-dissipating device and its manufacturing process Heat-dissipating device and its manufacturing process

2005-04-12

2005-04-12

Nguyen, Ninh H. (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Tined or irregular periphery

C416S234000, C416S243000

Reexamination Certificate

active

06877958

ABSTRACT:
A heat-dissipating device and its manufacturing process are provided for significantly increasing the number and size of blades so as to enhance the heat-dissipating performance. The heat-dissipating device has a plurality of blades arranged around the hub of the heat-dissipating device and there is an overlapped region formed between every two adjacent blades. A single mold is used to manufacture such a heat-dissipating device so that not only can the manufacturing cost be reduced but it can significantly increase the number and size of blades so as to increase the heat-dissipating efficiency.

REFERENCES:
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patent: 6318964 (2001-11-01), Yang
patent: 6386276 (2002-05-01), Chen et al.
patent: 6572336 (2003-06-01), Horng et al.
patent: 6623265 (2003-09-01), Day
patent: 2583826 (1986-12-01), None
patent: 413273 (1988-08-01), None

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