Heat sink attached externally on bottom portion of portable computer
US6738256B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 10, 2002 |
| Grant date | May 18, 2004 |
| Priority date | — |
| Expiry date | Sep 26, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F1/203
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A heat sink attached externally on a bottom portion of a portable computer has the heat sink placed at a rear lower aspect of the portable computer; the present invention is characterized that the heat sink is a flat casing; at least one fan is installed inside the heat sink; an air inlet is disposed at the upper aspect of the fan; an air outlet is disposed at the front aspect of a bearing plate on the front aspect of the fan; a current guide board is disposed at the lower aspect of the fan; according to the abovementioned structure, when being used, the air current enters from the air inlet and discharges outwardly from the air outlet thereby allowing the cooling air current to enter from the bottom portion of the portable computer for heat dissipation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.