Apparatus and method for detecting gas
US10132789B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 17, 2014 |
| Grant date | Nov 20, 2018 |
| Priority date | — |
| Expiry date | Jan 19, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N25/14
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An apparatus (1) for detecting gas (4) in a high-voltage device (3) filled with an insulating medium (2) comprises an inlet (5) for introducing a carrier gas (16) and an outlet (6) for discharging a carrier gas (16); at least one gas sensor (12) for detecting a gas (4); a first pump (9) for conveying the carrier gas (16) in the apparatus (1); a membrane (13) which at least consists of at least one semipermeable material, is at least partially surrounded by the insulating medium (2) and is at least partially subjected to a flow of the carrier gas (16); a second pump (10) for conveying the carrier gas (16) into the apparatus (1) and for conveying the carrier gas (16) out of the apparatus (1); wherein there is no valve which can be used to convey the carrier gas (16) into the apparatus (1) or out of the apparatus (1).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.