Heat dissipation device having a dual-fan arrangement
First Claim
Patent Images
1. A heat dissipation device comprising:
- a heat sink;
a first fan disposed on one part of the heat sink;
a second fan having one portion thereof disposed on another part of the heat sink and another portion thereof extending beyond the heat sink, the second fan guiding an airflow produced by the first fan and flowing through the heat sink to leave the heat sink; and
a cover disposed to enclose the heat sink, the first and second fans.
2 Assignments
0 Petitions
Accused Products
Abstract
A heat dissipation device includes a heat sink (22), a first fan (24) disposed on one part of the heat sink, a second fan (26) disposed on another part of the heat sink and a cover (30) disposed to enclose the heat sink, the first fan and the second fan. The second fan draws the air produced by the first fan and flowing through the heat sink to quickly leave the heat sink.
77 Citations
18 Claims
-
1. A heat dissipation device comprising:
-
a heat sink; a first fan disposed on one part of the heat sink; a second fan having one portion thereof disposed on another part of the heat sink and another portion thereof extending beyond the heat sink, the second fan guiding an airflow produced by the first fan and flowing through the heat sink to leave the heat sink; and a cover disposed to enclose the heat sink, the first and second fans. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
-
-
12. An electronic device assembly comprising:
-
a printed circuit board having a heat-generating electronic component mounted thereon; a heat sink attached on the electronic component and comprising a plurality of fins; a first fan disposed on one part of the fins; a second fan disposed on another part of the fins; and a cover forming a first room for receiving the first fan and said one part of the fins and a second room for receiving the second fan and said the other part of the fins; wherein air is blown by the first fan toward said one part of the fins and flows to said the other part of the fins and is drawn out of said the other part of the fins by the second fan. - View Dependent Claims (13, 14, 15)
-
-
16. A card device for a computer comprising:
-
a printed circuit board; a heat-generating electronic component mounted on the printed circuit board; a heat sink mounted on the heat-generating electronic component; a cover mounted on the printed circuit board and enclosing the heat sink, the cover having a clapboard dividing an inner space of the cover into a first room and a second room, wherein the heat-generating electronic component is received in the first room and the first room and second room are communicated with each other through a void in the clapboard; a first fan mounted in the first room for generating an airflow toward the heat sink; and a second fan mounted in the second room for generating an airflow away from the heat sink; wherein the first fan is an axial fan and the second fan is a blower, and wherein the heat sink extends in the first and second rooms. - View Dependent Claims (17)
-
-
18. The card device as claimed 17, wherein the blower has an inlet in a bottom thereof, an outlet in a side thereof, the bottom of the blower being located above the heat sink, the card having an exit located adjacent to the outlet of the blower whereby the airflow generated by the second fan can flow out of the second room trough the outlet and exit to a surrounding air of the computer.
Specification