Box fan with air divider ring
US6015265A · kind A · utility
28Cited by
4References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 31, 1998 |
| Grant date | Jan 18, 2000 |
| Priority date | — |
| Expiry date | Aug 31, 2018 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/703
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A box fan which includes an air divider ring as part of the front grill, which ring results in increases in the peak velocity of the air supplied by the fan, and the cubic foot per minute of the supplied air.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.