Flame sensors and methods of sensing flame
US5464980A · kind A · utility
2Cited by
3References
25Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Feb 14, 1994 |
| Grant date | Nov 7, 1995 |
| Priority date | — |
| Expiry date | Feb 14, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01J5/42
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A flame sensor comprises a cell (10) containing an infra-red absorptive fluid such as carbon dioxide gas. Heating caused by absorption of the infra-red radiation is detected by measuring a resulting temperature or pressure change.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.