Combustion gas analysis

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United States of America Patent

PATENT NO 8500442
APP PUB NO 20100028819A1
SERIAL NO

12583765

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Abstract

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A chemical analysis method for determining the concentration of carbon monoxide, gaseous water and gaseous hydrocarbon in a combustion gas. The method includes the following steps: (a) directing wavelength modulated light from a single tunable diode laser at a wavelength in the range of from 2 to 2.5 micrometers through the combustion gas to a light detector to produce an absorption profile of the combustion gas (b) digitizing the adsorption profile of the combustion gas; (c) storing the digitized adsorption profile in a digital computer; (d) processing the digitized adsorption profile in the digital computer to produce an output from the computer indicative of the concentration of carbon monoxide, gaseous water and gaseous hydrocarbon in the combustion gas.

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Patent Owner(s)

Patent OwnerAddress
YOKOGAWA ELECTRIC CORPORATIONTOKYO 180-8750

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cowie, Alan I Friendswood, US 2 22
Knittel, Trevor S Houston, US 1 20
Wyatt, Donald L Friendswood, US 1 20
Zhu, Jie Pearland, US 209 1788

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