Heat-radiating structure

Details Heat-radiating structure Heat-radiating structure

2000-09-22

2001-09-04

Lateef, Marvin M. (Department: 3743)

Heat exchange

Heat transmitter

C165S080300, C165S104330, C361S697000, C361S704000, C361S709000, C174S016300, C257S706000, C257S720000, C257S722000

Reexamination Certificate

active

06283201

ABSTRACT:

FIELD OF THE INVENTION
The present invention relates to a heat-radiating structure including a closed container that is connected to an end of a thermal pipe and is filled with heat-absorptive ethanol. Outer wall surfaces of the closed container may be provided with raised portions to increase the contact area of the container with the ambient air to speed up heat radiation thereof. The closed container may also be internally provided with at least one thermal net to further increase the heat-absorbing area of the heat-radiating structure.
BACKGROUND OF THE INVENTION
U.S. Pat. No. 5,959,837 entitled “Heat-radiating Structure for CPU”, a full copy of which is attached to this Specification as a reference, discloses a radiating seat
1
connected to a front side of a central processing unit (CPU) . Bent thermal pipes
22
are upward extended from a central portion of the radiating seat
1
. To enhance quick transfer of heat produced by the CPU, a radiating member
2
is provided at another ends of the thermal pipes
22
, and a cooling fan
3
is further connected to the radiating member
2
. The heat-radiating structure for CPU disclosed in U.S. Pat. No. 5,959,837 is complicate and has slow heat radiating speed. Moreover, the cooling fan
3
consumes additional power supply to help the heat radiation of the disclosed structure. Therefore, it is desirable to develop an improved heat-radiating structure to eliminate drawbacks existing in the conventional heat-radiating structure and to provide enhanced heat radiating performance.
SUMMARY OF THE INVENTION
A primary object of the present invention is to provide a heat-radiating structure that has simple structure and provides improved heat radiation performance without the need of a power-consuming cooling fan.
Another object of the present invention is to provide a heat-radiating structure that includes a closed container that is filled with heat-absorptive ethanol and internally provided with at least one thermal net, and has toothed or otherwise uneven outer wall surfaces to increase heat-radiating areas to speed up heat radiation thereof.


REFERENCES:
patent: 3834457 (1974-09-01), Madsen
patent: 4660625 (1987-04-01), Musinski
patent: 5161090 (1992-11-01), Crawford et al.
patent: 5411077 (1995-05-01), Tousignant
patent: 5441102 (1995-08-01), Burward-Hoy
patent: 5465782 (1995-11-01), Sun et al.
patent: 5579830 (1996-12-01), Giammaruti
patent: 5697434 (1997-12-01), Burward-Hoy
patent: 5959837 (1999-09-01), Yu
patent: 6148906 (2000-11-01), Le et al.

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