Analyzer for measuring multiple gases

Details Analyzer for measuring multiple gases Analyzer for measuring multiple gases

2006-12-19

2006-12-19

Porta, David (Department: 2884)

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

C250S339070, C250S339060

Reexamination Certificate

active

07151260

ABSTRACT:
Stand-alone multiple gas analysis apparatus, of relatively small physical size, integrates one or more supplemental sensors, such as a self-heating, amperometric, limiting current-type oxygen sensor and/or a titania nanotube-type hydrogen sensor, into the sampling cell gas flow components of an FT-IR gas analyzer. The apparatus enables simultaneous quantitative concentration measurements of infrared-active gases and of infrared-inactive atomic species and homonuclear diatomic molecules, such as of oxygen and hydrogen.

REFERENCES:
patent: 4859307 (1989-08-01), Nishizawa et al.
patent: 2002/0026822 (2002-03-01), Reading et al.
patent: 2003/0184733 (2003-10-01), Kameoka
patent: 2004/0126624 (2004-07-01), Akbar et al.
“The Application of FT-IR Spectroscopy To Turbine Engine Exhaust Measurement”, presented Jun. 19-22, 2000.
“Improved Methodology For Turbine Engine Emission Measurements”, GT-2002-30606.
Evaluation of The MKS On-Line FTIR Multigas™ Analyzer For Gas Application, Jun. 16-19, 2003.
Oxygen sensing characteristics of limiting current-type sensors with microstructural and structural variations in diffusion barrier, 1996.
“Thin Film air-fuel ratio sensor”, 199.
“Limiting current characteristics with regard to oxygen and carbon monoxide in oxidizing and reducing atmospheres”, 1996.
“Hydrogen sensing using titania nanotubes”, 2003.

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