Fan and blade thereof
US8702386B2 · kind B2 · utility
2Cited by
12References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 27, 2006 |
| Grant date | Apr 22, 2014 |
| Priority date | — |
| Expiry date | Nov 17, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/384
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A fan includes a frame and an impeller. The impeller is disposed in the frame and the impeller has a plurality of blades. Each blade has a wing part and a flap part, and the wing part and the flap part form a predetermined angle. A blade is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.