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1. (WO2017092839) EXHAUST GAS AFTERTREATMENT METHOD AND EXHAUST GAS SYSTEM
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2017/092839 International Application No.: PCT/EP2016/001673
Publication Date: 08.06.2017 International Filing Date: 10.10.2016
IPC:
F01N 3/035 (2006.01) ,F01N 3/021 (2006.01) ,F01N 3/023 (2006.01) ,F01N 3/10 (2006.01) ,F01N 3/20 (2006.01) ,F01N 9/00 (2006.01) ,F01N 13/00 (2010.01)
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01
MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
N
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
3
Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
02
for cooling, or for removing solid constituents of, exhaust
021
by means of filters
033
in combination with other devices
035
with catalytic reactors
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01
MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
N
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
3
Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
02
for cooling, or for removing solid constituents of, exhaust
021
by means of filters
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01
MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
N
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
3
Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
02
for cooling, or for removing solid constituents of, exhaust
021
by means of filters
023
using means for regenerating the filters, e.g. by burning trapped particles
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01
MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
N
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
3
Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
08
for rendering innocuous
10
by thermal or catalytic conversion of noxious components of exhaust
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01
MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
N
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
3
Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
08
for rendering innocuous
10
by thermal or catalytic conversion of noxious components of exhaust
18
characterised by methods of operation; Regulation
20
specially adapted for catalytic conversion
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01
MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
N
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
9
Electrical control of exhaust gas treating apparatus
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01
MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
N
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
13
Exhaust or silencing apparatus characterised by constructional features
Applicants:
DAIMLER AG [DE/DE]; Mercedesstrasse 137 70327 Stuttgart, DE
Inventors:
BALTHES, Ortwin; DE
BECKMANN, Thomas; DE
KEPPELER, Berthold; DE
KRONMÜLLER, Uwe; DE
MUELLER, Siegfried; DE
WOOG, Thorsten; DE
Priority Data:
10 2015 015 634.902.12.2015DE
Title (DE) VERFAHREN ZUR ABGASNACHBEHANDLUNG UND ABGASANLAGE
(EN) EXHAUST GAS AFTERTREATMENT METHOD AND EXHAUST GAS SYSTEM
(FR) PROCÉDÉ DE POST-TRAITEMENT DE GAZ D’ÉCHAPPEMENT ET SYSTÈME D’ÉCHAPPEMENT DE GAZ
Abstract:
(DE) Die Erfindung betrifft ein Verfahren zur Abgasnachbehandlung eines Fahrzeugs, bei welchem das Abgas einer Verbrennungskraftmaschine des Fahrzeugs mittels eines Partikelfilters (18) und mittels einer dem Partikelfilter (18) nachgeschalteten, zur selektiven katalytischen Reduktion von Stickoxiden ausgebildeten Abgasnachbehandlungseinrichtung (20) behandelt wird. Hierbei wird im Anschluss an ein Regenerieren des Partikelfilters (18) vorübergehend eine Menge eines für die selektive katalytische Reduktion vorgesehenen Reduktionsmittels erhöht, welche stromaufwärts des Partikelfilters (18) in das Abgas eingebracht wird. Des Weiteren betrifft die Erfindung eine Abgasanlage (10) für ein Fahrzeug.
(EN) The invention relates to a method for the aftertreatment of exhaust gas of a vehicle, wherein the exhaust gas of an internal combustion engine of the vehicle is treated by means of a particle filter (18) and by means of an exhaust gas aftertreatment device (20) which is arranged downstream of the particle filter (18) and which is designed to selectively catalytically reduce nitrogen oxides. A quantity of a reductant provided for the selective catalytic reduction is temporarily increased following a regeneration of the particle filter (18), said reductant being introduced into the exhaust gas upstream of the particle filter (18). The invention further relates to an exhaust gas system (10) for a vehicle.
(FR) L’invention concerne un procédé de post-traitement de gaz d’échappement d’un véhicule dans lequel le gaz d’échappement d’un moteur à combustion interne du véhicule est traité au moyen d’un filtre à particules (18) et au moyen d’un dispositif de post-traitement de gaz d’échappement (20) monté en aval du filtre à particules (18) et conçu pour effectuer une réduction catalytique sélective des oxydes d’azote. Selon l’invention, après avoir effectué une régénération du filtre à particules (18), on augmente temporairement la quantité d’agent réducteur destiné à effectuer la réduction catalytique sélective qui est introduite dans le gaz d’échappement en amont du filtre à particules (18). En outre, l’invention concerne un système d’échappement de gaz (10) destiné à un véhicule.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: German (DE)
Filing Language: German (DE)