Heat dissipation apparatus
US7416386B2 · kind B2 · utility
5Cited by
12References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 29, 2007 |
| Grant date | Aug 26, 2008 |
| Priority date | — |
| Expiry date | Jan 29, 2027 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/545
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A heat dissipation apparatus. A fan frame includes an air inlet, an air outlet, a passage, and a curved expansion portion. The air inlet is opposite the air outlet. The passage is between the air inlet and the air outlet, guiding airflow from the air inlet to the air outlet. The curved expansion portion is radially and outwardly extended from an inner peripheral wall of the passage at the air inlet or air outlet. An impeller is disposed in the fan frame and includes a plurality of blades. Each blade is disposed in the passage and includes an extension end extending to the curved expansion portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.