Design of a noise suppression wedge for a butterfly outflow valve
US7815163B2 · kind B2 · utility
2Cited by
11References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 28, 2007 |
| Grant date | Oct 19, 2010 |
| Priority date | — |
| Expiry date | Jun 17, 2029 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K1/222
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A noise suppression wedge for a butterfly valve comprises a wedge-shaped structure having a plurality of fingers and a plurality of slots. The noise suppression wedge is positioned in contact with the butterfly plate and reduces noise by disrupting the flow through the valve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.