DETECTEUR DE GAZ DE TYPE A COMBUSTION CATALYTIQUE ET PROCEDE DE FABRICATION ASSOCIE

N° de brevet: EP1632771 (A1)
Date de publication: 2006-03-08
Inventeur(s): OTANI SEIICHI [JP];FURUSATO MAMORU [JP];SHIBASAKI YOSHIKAZU [JP];YASUDA SHOEI [JP];
Demandeur(s): RIKEN KEIKI KK [JP];
Classification: G01N27/16;
N° de demande: EP20040745603 20040604 
Numéro(s) de priorité: WO2004JP07827 20040604;JP20030168042 20030612;JP20030168614 20030613 
A contact combustion-type gas sensor that can maintain its initial sensitivity over a long period of time in the presence of silicon vapor, wherein an induction portion 5 of a gas detecting element 1 contains not less than 30 percent by weight of an oxidation catalyst, and is aged in advance in an environment that contains silicon vapor serving as a poisoning substance.

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