Silenced valve construction
US4040440A · kind A · utility
7Cited by
10References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 18, 1975 |
| Grant date | Aug 9, 1977 |
| Priority date | — |
| Expiry date | Jun 18, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7036
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The invention contemplates sound-absorbent structure so built into the downstream side of a flow-control valve as to absorb noise generated by fluid passage through the valve, without presenting obstruction to the flow controlled by the valve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.