DE10240977A1 - Verfahren zum Betreiben einer Brennkraftmaschine sowie Brennkraftmaschine selbst - Google Patents

Verfahren zum Betreiben einer Brennkraftmaschine sowie Brennkraftmaschine selbst Download PDF

Info

Publication number
DE10240977A1
DE10240977A1 DE10240977A DE10240977A DE10240977A1 DE 10240977 A1 DE10240977 A1 DE 10240977A1 DE 10240977 A DE10240977 A DE 10240977A DE 10240977 A DE10240977 A DE 10240977A DE 10240977 A1 DE10240977 A1 DE 10240977A1
Authority
DE
Germany
Prior art keywords
internal combustion
combustion engine
catalyst
catalysts
catalytic converter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
DE10240977A
Other languages
German (de)
English (en)
Inventor
Andreas Kufferath
Ingo Hein
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to DE10240977A priority Critical patent/DE10240977A1/de
Priority to IT001695A priority patent/ITMI20031695A1/it
Priority to FR0310461A priority patent/FR2844299B1/fr
Publication of DE10240977A1 publication Critical patent/DE10240977A1/de
Ceased legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9445Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
    • B01D53/9454Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific device
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/92Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9495Controlling the catalytic process
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/009Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
    • F01N13/0093Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series the purifying devices are of the same type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/101Three-way catalysts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/02Circuit arrangements for generating control signals
    • F02D41/021Introducing corrections for particular conditions exterior to the engine
    • F02D41/0235Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
    • F02D41/024Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to increase temperature of the exhaust gas treating apparatus
    • F02D41/025Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to increase temperature of the exhaust gas treating apparatus by changing the composition of the exhaust gas, e.g. for exothermic reaction on exhaust gas treating apparatus
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/02Circuit arrangements for generating control signals
    • F02D41/021Introducing corrections for particular conditions exterior to the engine
    • F02D41/0235Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
    • F02D41/027Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus
    • F02D41/0275Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus the exhaust gas treating apparatus being a NOx trap or adsorbent
    • F02D41/028Desulfurisation of NOx traps or adsorbent
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/02Circuit arrangements for generating control signals
    • F02D41/14Introducing closed-loop corrections
    • F02D41/1438Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1439Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the position of the sensor
    • F02D41/1441Plural sensors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/90Physical characteristics of catalysts
    • B01D2255/908O2-storage component incorporated in the catalyst
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D2200/00Input parameters for engine control
    • F02D2200/02Input parameters for engine control the parameters being related to the engine
    • F02D2200/08Exhaust gas treatment apparatus parameters
    • F02D2200/0802Temperature of the exhaust gas treatment apparatus
    • F02D2200/0804Estimation of the temperature of the exhaust gas treatment apparatus
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D2200/00Input parameters for engine control
    • F02D2200/02Input parameters for engine control the parameters being related to the engine
    • F02D2200/08Exhaust gas treatment apparatus parameters
    • F02D2200/0814Oxygen storage amount
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D2200/00Input parameters for engine control
    • F02D2200/02Input parameters for engine control the parameters being related to the engine
    • F02D2200/08Exhaust gas treatment apparatus parameters
    • F02D2200/0816Oxygen storage capacity
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/02Circuit arrangements for generating control signals
    • F02D41/14Introducing closed-loop corrections
    • F02D41/1401Introducing closed-loop corrections characterised by the control or regulation method
    • F02D41/1408Dithering techniques
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/30Controlling fuel injection
    • F02D41/3011Controlling fuel injection according to or using specific or several modes of combustion
    • F02D41/3017Controlling fuel injection according to or using specific or several modes of combustion characterised by the mode(s) being used
    • F02D41/3023Controlling fuel injection according to or using specific or several modes of combustion characterised by the mode(s) being used a mode being the stratified charge spark-ignited mode
    • F02D41/3029Controlling fuel injection according to or using specific or several modes of combustion characterised by the mode(s) being used a mode being the stratified charge spark-ignited mode further comprising a homogeneous charge spark-ignited mode
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Materials Engineering (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
DE10240977A 2002-09-05 2002-09-05 Verfahren zum Betreiben einer Brennkraftmaschine sowie Brennkraftmaschine selbst Ceased DE10240977A1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE10240977A DE10240977A1 (de) 2002-09-05 2002-09-05 Verfahren zum Betreiben einer Brennkraftmaschine sowie Brennkraftmaschine selbst
IT001695A ITMI20031695A1 (it) 2002-09-05 2003-09-03 Procedimento per il funzionamento di un motore termico e
FR0310461A FR2844299B1 (fr) 2002-09-05 2003-09-04 Procede de fonctionnement d'un moteur a combustion interne et moteur a combustion interne mettant en oeuvre ce procede

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10240977A DE10240977A1 (de) 2002-09-05 2002-09-05 Verfahren zum Betreiben einer Brennkraftmaschine sowie Brennkraftmaschine selbst

Publications (1)

Publication Number Publication Date
DE10240977A1 true DE10240977A1 (de) 2004-03-18

Family

ID=31724362

Family Applications (1)

Application Number Title Priority Date Filing Date
DE10240977A Ceased DE10240977A1 (de) 2002-09-05 2002-09-05 Verfahren zum Betreiben einer Brennkraftmaschine sowie Brennkraftmaschine selbst

Country Status (3)

Country Link
DE (1) DE10240977A1 (fr)
FR (1) FR2844299B1 (fr)
IT (1) ITMI20031695A1 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1477653A3 (fr) * 2003-05-09 2005-05-04 Robert Bosch Gmbh Chauffage de catalysateurs lors du fonctionnement de moteurs à combustion interne avec injection directe
DE102004030199A1 (de) * 2004-06-22 2006-01-19 Adam Opel Ag Abschätzung der Temperatur eines Katalysators und Anwendungen dafür
DE102005022209B4 (de) * 2005-05-13 2008-01-03 Audi Ag Verfahren zur Regeneration eines einer Brennkraftmaschine, insbesondere einer Diesel-Brennkraftmaschine, nachgeschalteten Stickoxid-Speicherkatalysators
DE102008005882A1 (de) * 2008-01-24 2009-07-30 Continental Automotive Gmbh Verfahren und Vorrichtung zum Betreiben einer Brennkraftmaschine
DE102008060647A1 (de) 2008-12-05 2010-06-10 Volkswagen Ag Verfahren zum Aufheizen eines Katalysators
FR2942321A1 (fr) * 2009-02-16 2010-08-20 Peugeot Citroen Automobiles Sa Procede de determination du pouvoir calorifique inferieur d'un carburant
FR2942320A1 (fr) * 2009-02-16 2010-08-20 Peugeot Citroen Automobiles Sa Procede de determination du pouvoir calorifique inferieur d'un carburant
US9133746B2 (en) 2010-12-02 2015-09-15 Hyundai Motor Company Method for predicting NOx loading at DeNOx catalyst and exhaust system using the same
CN102486112B (zh) * 2010-12-02 2015-11-25 现代自动车株式会社 预测存储在DeNOx催化剂处的SOx的方法以及利用该方法的排放系统
DE102017210880A1 (de) * 2017-06-28 2019-01-03 Volkswagen Aktiengesellschaft Verfahren zum Aufheizen eines Katalysators in einer Abgasanlage eines Verbrennungsmotors sowie Abgasnachbehandlungssystem

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2907508B1 (fr) * 2006-10-24 2008-12-05 Renault Sas Procede de controle de la temperature des gaz dans un circuit d'echappement de moteur a combustion interne.
FR2965017B1 (fr) * 2010-09-20 2014-05-09 Renault Sa Desulfuration d'un piege a oxydes d'azote d'un vehicule automobile
FR2970741A3 (fr) * 2011-01-24 2012-07-27 Renault Sa Procede d'injection de carburant dans un moteur a combustion interne
US20150107226A1 (en) * 2013-10-18 2015-04-23 Cummins Ip, Inc. Gasoline dithering for spark-ignited gaseous fuel internal combustion engine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2676884B2 (ja) * 1989-03-03 1997-11-17 トヨタ自動車株式会社 内燃機関の空燃比制御装置
DE4128718C2 (de) * 1991-08-29 2001-02-01 Bosch Gmbh Robert Verfahren und Vorrichtung zur Kraftstoffmengenregelung für einen Verbrennungsmotor mit Katalysator
US5462039A (en) * 1992-12-14 1995-10-31 Mazda Motor Corporation Air-fuel ratio control system for internal combustion engine
GB2324052A (en) * 1997-04-11 1998-10-14 Ford Motor Co Heating of a storage trap
US5974788A (en) * 1997-08-29 1999-11-02 Ford Global Technologies, Inc. Method and apparatus for desulfating a nox trap
US6237330B1 (en) * 1998-04-15 2001-05-29 Nissan Motor Co., Ltd. Exhaust purification device for internal combustion engine

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1477653A3 (fr) * 2003-05-09 2005-05-04 Robert Bosch Gmbh Chauffage de catalysateurs lors du fonctionnement de moteurs à combustion interne avec injection directe
DE102004030199A1 (de) * 2004-06-22 2006-01-19 Adam Opel Ag Abschätzung der Temperatur eines Katalysators und Anwendungen dafür
DE102005022209B4 (de) * 2005-05-13 2008-01-03 Audi Ag Verfahren zur Regeneration eines einer Brennkraftmaschine, insbesondere einer Diesel-Brennkraftmaschine, nachgeschalteten Stickoxid-Speicherkatalysators
US9551263B2 (en) 2008-01-24 2017-01-24 Continental Automotive Gmbh Method and device for operating an internal combustion engine
DE102008005882A1 (de) * 2008-01-24 2009-07-30 Continental Automotive Gmbh Verfahren und Vorrichtung zum Betreiben einer Brennkraftmaschine
WO2009092465A1 (fr) * 2008-01-24 2009-07-30 Continental Automotive Gmbh Procédé et dispositif pour faire fonctionner un moteur à combustion interne
DE102008005882B4 (de) * 2008-01-24 2014-02-06 Continental Automotive Gmbh Verfahren und Vorrichtung zum Betreiben einer Brennkraftmaschine
DE102008060647A1 (de) 2008-12-05 2010-06-10 Volkswagen Ag Verfahren zum Aufheizen eines Katalysators
DE102008060647B4 (de) 2008-12-05 2020-06-25 Volkswagen Ag Verfahren zum Aufheizen eines Katalysators
FR2942321A1 (fr) * 2009-02-16 2010-08-20 Peugeot Citroen Automobiles Sa Procede de determination du pouvoir calorifique inferieur d'un carburant
FR2942320A1 (fr) * 2009-02-16 2010-08-20 Peugeot Citroen Automobiles Sa Procede de determination du pouvoir calorifique inferieur d'un carburant
CN102486112B (zh) * 2010-12-02 2015-11-25 现代自动车株式会社 预测存储在DeNOx催化剂处的SOx的方法以及利用该方法的排放系统
US9133746B2 (en) 2010-12-02 2015-09-15 Hyundai Motor Company Method for predicting NOx loading at DeNOx catalyst and exhaust system using the same
DE102017210880A1 (de) * 2017-06-28 2019-01-03 Volkswagen Aktiengesellschaft Verfahren zum Aufheizen eines Katalysators in einer Abgasanlage eines Verbrennungsmotors sowie Abgasnachbehandlungssystem

Also Published As

Publication number Publication date
FR2844299B1 (fr) 2005-03-04
ITMI20031695A1 (it) 2004-03-06
FR2844299A1 (fr) 2004-03-12

Similar Documents

Publication Publication Date Title
DE19910503C1 (de) Verfahren und Vorrichtung zur periodischen Desulfatisierung eines Stickoxid- oder Schwefeloxid-Speichers mit Fett/Mager-Motorzylinderaufteilung
DE19711477C2 (de) Verfahren und Vorrichtung zum Steuern von Verbrennungsmotoren
EP1049861B1 (fr) REGENERATION D'ACCUMULATEURS DE NOx DE MOTEURS A MELANGE PAUVRE
EP3208450B1 (fr) Procédé de fonctionnement d'un moteur à combustion interne et moteur à trois cylindres destiné à exécuter ledit procédé
DE10240977A1 (de) Verfahren zum Betreiben einer Brennkraftmaschine sowie Brennkraftmaschine selbst
DE10036406A1 (de) Verfahren zum Betreiben eines Stickoxid (NOx)-Speicherkatalysators
WO2010060503A1 (fr) Procédé pour faire fonctionner un moteur diesel avec un système d'épuration de gaz d'échappement comportant un catalyseur d'accumulation d'oxydes d'azote
DE10035525A1 (de) Verfahren zum Betreiben eines Katalysators
DE102019121428A1 (de) Verfahren zum Aufheizen eines Katalysators und Abgasnachbehandlungssystem
EP1322850A1 (fr) Procede pour faire fonctionner un moteur a combustion interne
EP1117916B1 (fr) PROCEDE DE REGENERATION D'UN CATALYSEUR A ACCUMULATION DE NOx D'UN MOTEUR A COMBUSTION INTERNE
EP1422410B1 (fr) Procédé de gestion du fonctionnement d'un moteur à combustion interne multi-cylindres avec catalysateur d'accumulation de nox
DE10349855B4 (de) Verfahren und Vorrichtung zur Entschwefelung eines Katalysators
DE10153901B4 (de) Verfahren und Vorrichtung zur Entschwefelung eines einem Dieselmotor nachgeschalteten NOx-Speicherkatalysators
EP1144828A1 (fr) Procede permettant de faire fonctionner un moteur a combustion interne
DE10223458B4 (de) Verfahren zur Überwachung sowie Vorrichtung zur Abschätzung der Effizienz einer Abgasnachbehandlungsanordnung
DE10330367A1 (de) Verfahren und Vorrichtung zur Entschwefelung eines Katalysators
DE10241497B3 (de) Verfahren zur Steuerung des Magerbetriebs einer einen Stickoxid-Speicherkatalysator aufweisenden Brennkraftmaschine, insbesondere eines Kraftfahrzeuges
DE10338181B4 (de) Verfahren und Vorrichtung zur Temperaturbeeinflussung eines Katalysatorsystems
DE10115968A1 (de) Verfahren zur Erwärmung eines Katalysators
DE10202935A1 (de) Verfahren und Vorrichtung zur Entschwefelung eines Vorkatalysators
DE10154041A1 (de) Verfahren und Vorrichtung zur Reduzierung einer Schadstoffendemission
DE10114049A1 (de) Verfahren und Vorrichtung zur Regelung einer externen Abgasrückführrate und/oder eines Luft-Kraftstoff-Verhältnisses
EP1180590A2 (fr) Méthode de formation de mélange pour moteur à combustion interne avec un catalyseur dans la ligne d'échappement
DE10349854B4 (de) Verfahren und Vorrichtung zur Entschwefelung eines NOx-Speicherkatalysators

Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8125 Change of the main classification

Ipc: F01N 9/00 AFI20051017BHDE

R016 Response to examination communication
R002 Refusal decision in examination/registration proceedings
R003 Refusal decision now final

Effective date: 20130427