Device for reducing noise in centrifugal pumps
US6017187A · kind A · utility
9Cited by
1References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 19, 1996 |
| Grant date | Jan 25, 2000 |
| Priority date | — |
| Expiry date | Sep 19, 2016 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/669
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The object of the invention is a device for reducing the hydraulic operating noise in centrifugal pumps. To this end, the flow edges of a guide device downstream of an impeller are in oblique array. Here, the flow edges may be linear or nonlinear.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.