F - Mech Eng,Light,Heat,Weapons – 01 – N
Patent
F - Mech Eng,Light,Heat,Weapons
01
N
F01N 3/035 (2006.01) B01D 53/94 (2006.01) B01J 35/00 (2006.01) B01J 35/02 (2006.01) B01J 35/06 (2006.01) B01J 37/03 (2006.01) F01N 3/022 (2006.01) F01N 3/023 (2006.01) F01N 3/027 (2006.01) F01N 13/02 (2010.01)
Patent
CA 2451771
The invention relates to a device for the, (in particular continuous), oxidation of particulates from the exhaust gases of diesel motors. Said device consists of an open--pored body as a particle filter, on whose surface an oxidation catalyst is finely dispersed. The device is characterized in that from an exhaust gas temperature as low as 150 °C, the catalyst causes the oxidation of particulates attached to the filter using the residual oxygen of the exhaust gas, thus keeping the filter body continuously free of particulates during almost all the operating conditions of the motor.
La présente invention concerne un dispositif d'oxydation (notamment continue) de particules de suies provenant des gaz d'échappement de moteurs diesel. Le dispositif selon l'invention est constitué d'un corps à pores ouverts servant de filtre à particules, dont la surface porte un catalyseur d'oxydation finement dispersé. Ledit dispositif est caractérisé en ce que le catalyseur provoque une oxydation des particules de suies liées au filtre avec l'oxygène résiduel des gaz d'échappement dès une température de gaz d'échappement de 150 ·C, et permet ainsi de garder le corps de filtre dégagé en continu dans presque toutes les conditions d'utilisation du moteur.
Dornseiffer Juergen
Hackfort Helmut
Huennekes Edgar
Dornseiffer Juergen
Forschungszentrum Juelich Gmbh
Shapiro Cohen
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