A device for purifying exhaust gas of an internal combustion engine featuring improved purifying efficiency even in a lean operating condition without deteriorating the fuel efficiency. The device comprises an electrochemical catalyst 5 installed in the exhaust system 3 of the internal combustion engine...http://www.google.es/patents/US20020073692?utm_source=gb-gplus-sharePatente US20020073692 - Device for purifying exhaust gas of an internal combustion engine
Device for purifying exhaust gas of an internal combustion engine
Número de solicitud: 09/899,985 Número de publicación: US 2002/0073692 A1 Fecha de presentación: 9 Jul 2001 Patente emitida: US6755017 ( Fecha de emisión 29 Jun 2004)
