Partition valve for fluid delivery system
US5111845A · kind A · utility
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2References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 21, 1990 |
| Grant date | May 12, 1992 |
| Priority date | — |
| Expiry date | Dec 21, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87249
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A partition valve for use in a fluid delivery system is provided to deliver precise volumes of plurality of fluids in sequence to a plurality of treatment reservoirs. The partition valve includes a diaphragm having a top surface in contact with a plurality of fluid pressure sources. The bottom surface of the diaphragm contacts a plurality of fluid inlets and outlets. The fluid pressure sources are controlled to effect fluid communication between desired fluid inlets and fluid outlets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.