Gas detection using gas modulation
US10352848B2 · kind B2 · utility
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2References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 24, 2016 |
| Grant date | Jul 16, 2019 |
| Priority date | — |
| Expiry date | Oct 24, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2201/0698
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A gas detection system, comprising a sample gas inlet, a reference gas inlet and a gas modulation valve alternatingly connecting one of the sample gas inlet and the reference gas inlet to a gas sensor, is characterized in that a selective transfer filter is located in the gas flow path connecting the gas modulation valve and the gas sensor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.