SENSOR FOR DETERMINING CONCENTRATION OF AT LEAST ONE GAS COMPONENT, AND OPERATION METHOD OF THE SENSOR

PROBLEM TO BE SOLVED: To provide a sensor for determining the concentration of at least one gas component, particularly, an oxygen concentration in exhaust gas from a combustion process, preferably, in exhaust gas from an internal combustion engine, and an operation method of the sensor capable of a...

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Bibliographische Detailangaben
Hauptverfasser:	BAHLO JAN, STROHMAIER RAINER, KAMP BERNHARD
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL CONTROLLING COMBUSTION ENGINES ENGINE PLANTS IN GENERAL GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES LIGHTING MACHINES OR ENGINES IN GENERAL MEASURING MECHANICAL ENGINEERING PHYSICS STEAM ENGINES TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TESTING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a sensor for determining the concentration of at least one gas component, particularly, an oxygen concentration in exhaust gas from a combustion process, preferably, in exhaust gas from an internal combustion engine, and an operation method of the sensor capable of attaining an increased measurement accuracy. SOLUTION: In this sensor 12 for determining the concentration of at least one gas component in exhaust gas, preferably in exhaust gas from the internal combustion engine 10, and the operation method of the sensor 12, a plasma field 24 is provided on this side of a sensor element 20 of the sensor 12 in directions of flow 26a and 26b. The plasma field 24 enables setting of thermodynamic equilibrium in the gas and formation of a uniformly short hydrocarbon chain on the rear downstream side of the plasma field 24 by the ionization effect to the gas carried therein. A chemical reaction is supported by at least one catalyst 22a and 22b. COPYRIGHT: (C)2006,JPO&NCIPI