Axial flow fan
US5996685A · kind A · utility
16Cited by
13References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 3, 1995 |
| Grant date | Dec 7, 1999 |
| Priority date | — |
| Expiry date | Aug 3, 2015 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/386
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An axial flow fan has a hub with a longitudinal axis of rotation and an outer periphery for the hub. Several blades are secured at their root regions to the hub's outer periphery. Each of the blades has a medial line that is tangential to a respective hub radius at the hub's outer periphery.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.