Heat dissipation device and fan assembly thereof
US8323002B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jun 11, 2009 |
| Grant date | Dec 4, 2012 |
| Priority date | — |
| Expiry date | May 24, 2030 |
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, a cooling fan, an electric motor and a belt. The cooling fan includes a fan housing and an impeller. The impeller includes a hub, a plurality of fan blades and a shaft extending from the hub and having a distal end protruded out of the fan housing. A fan pulley is fixed to the distal end of the shaft. The electric motor includes a driving pulley. The belt has one end engaging with the driving pulley of the electric motor and an opposite end engaging with the fan pulley of the cooling fan. Rotation of the driving pulley of the electric motor is transferred to the fan pulley via the belt to cause the impeller to rotate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.