Oxygen sensor for aircraft fuel inerting systems
US7352464B2 · kind B2 · utility
26Cited by
3References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 4, 2005 |
| Grant date | Apr 1, 2008 |
| Priority date | — |
| Expiry date | May 17, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2021/399
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An apparatus and method for monitoring oxygen concentrations in fuel tank ullage comprising providing a sensor head comprising an optical cavity, exposing the optical cavity to an ambient gaseous environment of a fuel tank or air separation module, via a laser light source emitting wavelength modulated light through the cavity, and receiving the wavelength modulated light with a detector.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.