Heat dissipation module
US7874796B2 · kind B2 · utility
4Cited by
7References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 6, 2007 |
| Grant date | Jan 25, 2011 |
| Priority date | — |
| Expiry date | Nov 24, 2029 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D19/007
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A heat dissipation module includes a housing, and a fan including an outer frame, a first rotor, a base, a second rotor and a driving device. The first rotor includes a shaft, a first hub and a plurality of first rotor blades disposed around the first hub. The base is disposed in the outer frame. The second rotor includes a plurality of second rotor blades, and is coupled to the shaft of the first rotor and disposed next to the first rotor. The driving device is supported by the base for driving the first rotor and the second rotor simultaneously.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.