Rotation valve for sample injection
US8186382B2 · kind B2 · utility
10Cited by
10References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 11, 2008 |
| Grant date | May 29, 2012 |
| Priority date | — |
| Expiry date | Jul 7, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/86863
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A rotary valve adapted for injection of a fluid sample into a flow path. According to the invention one and the same valve can be used to input flow from a system pump, a sample pump and a syringe. A loop could be filled from both the sample pump and the syringe and the loop can be emptied by the system pump whereby for example a column is filled. Furthermore the sample pump can be used to pump directly to the column.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.