Infrared gas detector
US7132657B2 · kind B2 · utility
7Cited by
47References
43Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 9, 2004 |
| Grant date | Nov 7, 2006 |
| Priority date | — |
| Expiry date | Sep 3, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2021/8578
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A gas detector that includes at least one source of infrared radiation, at least two analytical detectors, each analytical detector adapted to provide an output signal indicative of a first gas of interest and positioned to receive radiation from the source of radiation, at least one reference detector adapted to receive radiation of a predetermined wavelength, a sample chamber for receiving a gaseous sample, and an optical path length disposed between the source of radiation and the analytical detectors and passing through the sample chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.