Weir valve sampling/injection port
US4977929A · kind A · utility
64Cited by
1References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 28, 1989 |
| Grant date | Dec 18, 1990 |
| Priority date | — |
| Expiry date | Jun 28, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87716
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The present weir valve includes a weir disposed along a flow passage. A port at the other side of the weir is open to the flow passage when the diaphragm is lifted off the weir.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.