Heat dissipation device
US8050035B2 · kind B2 · utility
1Cited by
14References
17Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Mar 24, 2009 |
| Grant date | Nov 1, 2011 |
| Priority date | — |
| Expiry date | Jul 30, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2924/0002
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A heat dissipation device includes a heat sink and a cooling fan arranged thereon. The cooling fan includes a motor-stator and an impeller mounted around the motor-stator. The motor-stator is arranged on a middle of the heat sink. The heat sink includes a base and a plurality of fins extending upwardly from the base. The heat sink defines a plurality of notches incising the fins. The notches are angled towards the middle of the heat sink immediately under the motor-stator of the cooling fan.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.