Sample injector
US11898997B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 3, 2021 |
| Grant date | Feb 13, 2024 |
| Priority date | — |
| Expiry date | Aug 10, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2030/326
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A liquid chromatography (LC) system comprises an LC switching valve comprising a sample input port, aspiration pump port, needle seat port, waste port leading to a waste, LC pump port and an LC column port. A sample aspiration needle is fluidically connected to the sample input port via a sample receiving conduit, an aspiration pump is fluidically connected to the aspiration pump port. The LC system includes a needle seat fluidically connected to the needle seat port via a needle seat conduit, an LC column fluidically connected to the LC column port, and an LC pump fluidically connected to the LC pump port, for injecting the sample into the LC column when the sample aspiration needle is seated into the needle seat and when the LC pump port is fluidically connected to the needle seat port and the sample input port is fluidically connected to the LC column port.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.