Autosampler and liquid chromatograph
US9983177B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 7, 2016 |
| Grant date | May 29, 2018 |
| Priority date | — |
| Expiry date | Jun 10, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2030/324
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An autosampler according to an embodiment includes a sampling channel including a movable needle at a tip, and a switching valve, including a plurality of ports, for switching the connection state between the ports by switching the position of a rotor by rotating the rotor. The rotor of the switching valve includes an injecting position in which a delivery port and a sampling port are communicated and an injection port and an analysis port are communicated, a purging position in which the delivery port and the sampling port are communicated and the injection port and a drain port are communicated, and a loading position in which the delivery port and the analysis port are communicated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.