Refilling-type online chromatographic detector for sulphur hexafluoride decomposition products
US10900940B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 2, 2017 |
| Grant date | Jan 26, 2021 |
| Priority date | — |
| Expiry date | Oct 19, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2030/8886
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A backfilling-type online chromatographic detector for sulphur hexafluoride decomposition products includes: a compression pump, a vacuum pump, a gas storage tank, a first six-way valve, a second six-way valve, a first chromatographic column, a second chromatographic column and a detector. One end of the compression pump is connected to one end of the vacuum pump, another end of the vacuum pump is connected to one end of the gas storage tank, another end of the gas storage tank is connected to the first chromatographic column through the first six-way valve, the first chromatographic column is connected to the second chromatographic column through the second six-way valve, and the second chromatographic column is connected to the detector.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.