Fan
US7086825B2 · kind B2 · utility
9Cited by
7References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 24, 2004 |
| Grant date | Aug 8, 2006 |
| Priority date | — |
| Expiry date | Jan 11, 2025 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/646
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A fan is provided for use with a casing having a bellmouth and a conduit portion. The fan has a hub, a number of blades extending from the hub, and a shroud. In cooperation with the casing and the conduit portion surrounding the shroud, the shroud has means for generating a separation bubble effective to limit a recirculation flow.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.