Inlet bell for centrifugal fans
US5551838A · kind A · utility
12Cited by
5References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 29, 1995 |
| Grant date | Sep 3, 1996 |
| Priority date | — |
| Expiry date | Mar 29, 2015 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/4213
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Inlet bell for centrifugal fans having an impeller (15, 24) with a cover plate (14, 23), the inlet bell opening into the cover plate with an intervening gap (I) for recirculation air, wherein the inlet bell (11, 20) is provided with a conical inlet part (12, 21), tapering towards the impeller (15, 24), and a mouthpiece (13, 22) connected to the inlet part, and in that a circular flow guide (16, 23) is arranged at the intersection between the inlet part and the mouthpiece of the inlet bell.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.