Oxygen analyzer with pressure compensation

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United States of America Patent

PATENT NO 11892370
APP PUB NO 20230086725A1
SERIAL NO

17482973

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Abstract

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A process oxygen analyzer includes a process probe extendible into a flow of process combustion exhaust, the process probe having an oxygen sensor measurement cell. Measurement circuitry is coupled to the oxygen sensor measurement cell and configured to obtain a non-corrected indication of oxygen concentration relative to a combustion process based on an electrical characteristic of the oxygen sensor measurement cell. A controller is operably coupled to the measurement circuitry and is configured to obtain an indication of process pressure and selectively provide a corrected oxygen concentration output based on non-corrected indication of oxygen concentration and the indication of process pressure. A method of providing a process oxygen concentration using a process oxygen analyzer coupled to an industrial combustion process is also disclosed.

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Patent Owner(s)

Patent OwnerAddress
ROSEMOUNT INC6021 INNOVATION BOULEVARD SHAKOPEE MN 55379

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bauschke, Dirk W Shakopee, US 4 21
Loberg, David Prior Lake, US 2 0
Shuk, Pavel Copley, US 16 57

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