FR2843044B1 - Procede et dispositif de gestion du fonctionnement d'un piege a oxydes d'azote pour un moteur a combustion interne fonctionnant en melange pauvre. - Google Patents

Procede et dispositif de gestion du fonctionnement d'un piege a oxydes d'azote pour un moteur a combustion interne fonctionnant en melange pauvre.

Info

Publication number
FR2843044B1
FR2843044B1 FR0209712A FR0209712A FR2843044B1 FR 2843044 B1 FR2843044 B1 FR 2843044B1 FR 0209712 A FR0209712 A FR 0209712A FR 0209712 A FR0209712 A FR 0209712A FR 2843044 B1 FR2843044 B1 FR 2843044B1
Authority
FR
France
Prior art keywords
managing
combustion engine
internal combustion
nitrogen oxide
engine operating
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.)
Expired - Fee Related
Application number
FR0209712A
Other languages
English (en)
Other versions
FR2843044A1 (fr
Inventor
Stephane Cochet
Bernard Dionnet
Marc Daneau
Marc Gauvin
Karim Guenounou
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.)
Renault SAS
Original Assignee
Renault SAS
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
Priority to FR0209712A priority Critical patent/FR2843044B1/fr
Application filed by Renault SAS filed Critical Renault SAS
Priority to CA002493529A priority patent/CA2493529A1/fr
Priority to JP2004525500A priority patent/JP2005534855A/ja
Priority to US10/522,724 priority patent/US20060117738A1/en
Priority to PCT/FR2003/002421 priority patent/WO2004012846A2/fr
Priority to AU2003281833A priority patent/AU2003281833A1/en
Priority to EP03756518A priority patent/EP1525045A2/fr
Priority to KR1020057001684A priority patent/KR20050030965A/ko
Publication of FR2843044A1 publication Critical patent/FR2843044A1/fr
Application granted granted Critical
Publication of FR2843044B1 publication Critical patent/FR2843044B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
    • F01N3/0842—Nitrogen oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation 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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation 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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/54—Nitrogen compounds
    • B01D53/56—Nitrogen oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation 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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9495—Controlling the catalytic process
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust 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
    • F01N13/009—Exhaust 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust 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
    • F01N3/18—Exhaust 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 characterised by methods of operation; Control
    • F01N3/20—Exhaust 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 characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/021—Introducing corrections for particular conditions exterior to the engine
    • F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
    • F02D41/027—Introducing 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
    • F02D41/0275—Introducing 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1439—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the position of the sensor
    • F02D41/1441—Plural sensors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2250/00—Combinations of different methods of purification
    • F01N2250/12—Combinations of different methods of purification absorption or adsorption, and catalytic conversion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2250/00—Combinations of different methods of purification
    • F01N2250/14—Combinations of different methods of purification absorption or adsorption, and filtering
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2430/00—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics
    • F01N2430/06—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics by varying fuel-air ratio, e.g. by enriching fuel-air mixture
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/14—Nitrogen oxides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0814—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with catalytic converters, e.g. NOx absorption/storage reduction catalysts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0821—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with particulate filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
    • F02D2041/1413—Controller structures or design
    • F02D2041/1432—Controller structures or design the system including a filter, e.g. a low pass or high pass filter
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/1454—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/1454—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio
    • F02D41/1456—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio with sensor output signal being linear or quasi-linear with the concentration of oxygen
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Analytical Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
FR0209712A 2002-07-31 2002-07-31 Procede et dispositif de gestion du fonctionnement d'un piege a oxydes d'azote pour un moteur a combustion interne fonctionnant en melange pauvre. Expired - Fee Related FR2843044B1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FR0209712A FR2843044B1 (fr) 2002-07-31 2002-07-31 Procede et dispositif de gestion du fonctionnement d'un piege a oxydes d'azote pour un moteur a combustion interne fonctionnant en melange pauvre.
JP2004525500A JP2005534855A (ja) 2002-07-31 2003-07-30 過薄混合気で動作する内燃エンジン用の窒素酸化物トラップの機能の管理方法及び管理装置
US10/522,724 US20060117738A1 (en) 2002-07-31 2003-07-30 Method and device for controlling the functioning of a nitrogen oxide trap for an internal combustion engine running on a lean mixture
PCT/FR2003/002421 WO2004012846A2 (fr) 2002-07-31 2003-07-30 Procede et dispositif de gestion du fonctionnement pour un moteur a combustion interne fonctionnant en melange pauvre
CA002493529A CA2493529A1 (fr) 2002-07-31 2003-07-30 Procede et dispositif de gestion du fonctionnement pour un moteur a combustion interne fonctionnant en melange pauvre
AU2003281833A AU2003281833A1 (en) 2002-07-31 2003-07-30 Method and device for controlling the functioning of a nitrogen oxide trap for an internal combustion engine running on a lean mixture
EP03756518A EP1525045A2 (fr) 2002-07-31 2003-07-30 Procede et dispositif de gestion du fonctionnement pour un moteur a combustion interne fonctionnant en melange pauvre
KR1020057001684A KR20050030965A (ko) 2002-07-31 2003-07-30 희박 혼합물로 작동하는 내연 기관을 위한 질소 산화물트랩의 작동 제어 방법 및 장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0209712A FR2843044B1 (fr) 2002-07-31 2002-07-31 Procede et dispositif de gestion du fonctionnement d'un piege a oxydes d'azote pour un moteur a combustion interne fonctionnant en melange pauvre.

Publications (2)

Publication Number Publication Date
FR2843044A1 FR2843044A1 (fr) 2004-02-06
FR2843044B1 true FR2843044B1 (fr) 2005-04-08

Family

ID=30129564

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0209712A Expired - Fee Related FR2843044B1 (fr) 2002-07-31 2002-07-31 Procede et dispositif de gestion du fonctionnement d'un piege a oxydes d'azote pour un moteur a combustion interne fonctionnant en melange pauvre.

Country Status (8)

Country Link
US (1) US20060117738A1 (fr)
EP (1) EP1525045A2 (fr)
JP (1) JP2005534855A (fr)
KR (1) KR20050030965A (fr)
AU (1) AU2003281833A1 (fr)
CA (1) CA2493529A1 (fr)
FR (1) FR2843044B1 (fr)
WO (1) WO2004012846A2 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2871849B1 (fr) 2004-06-17 2006-09-08 Renault Sas Procede et dispositif pour gerer le fonctionnement d'un piege a oxydes d'azote, et diagnostiquer son etat de vieillissement
FR2876736B1 (fr) * 2004-10-18 2007-01-19 Renault Sas Procede de commande d'un piege a oxydes d'azote d'un moteur a combustion interne
FR2929652B1 (fr) * 2008-04-04 2012-07-20 Renault Sas Systeme et procede de controle de l'air frais et des gaz brules introduits dans un moteur a combustion interne lors des transitions entre la purge d'un piege a oxydes d'azote et la regeneration d'un filtre a particules
GB2517140A (en) * 2013-07-29 2015-02-18 Gm Global Tech Operations Inc Control apparatus for operating an internal combustion engine
FR3033832B1 (fr) * 2015-03-17 2017-03-24 Peugeot Citroen Automobiles Sa Procede de purge ou de charge d’oxygene d’un catalyseur installe dans le flux d’un moteur

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0986697B1 (fr) * 1997-06-03 2002-03-20 Siemens Aktiengesellschaft PROCEDE DE REGENERATION D'UN CATALYSEUR ACCUMULATEUR DE NOx
JP3430879B2 (ja) * 1997-09-19 2003-07-28 トヨタ自動車株式会社 内燃機関の排気浄化装置
DE19755600C2 (de) * 1997-12-15 2002-01-17 Bosch Gmbh Robert Betrieb eines Verbrennungsmotors in Verbindungmit einem NOx-Speicherkatalysator
DE19800665C1 (de) * 1998-01-10 1999-07-01 Degussa Verfahren zum Betreiben eines Stickoxid-Speicherkatalysators
DE19808382A1 (de) * 1998-02-27 1999-09-02 Volkswagen Ag Steuerung eines NOx-Absorber-Katalysator
DE19828929A1 (de) * 1998-06-29 2000-01-05 Siemens Ag Verfahren zur Überprüfung des Dynamikverhaltens eines Meßaufnehmers im Abgastrakt einer Brennkraftmaschine
DE19844082C1 (de) * 1998-09-25 1999-10-14 Siemens Ag Verfahren zum Regenerieren eines NOx-Speicherkatalysators
JP3858554B2 (ja) * 2000-02-23 2006-12-13 株式会社日立製作所 エンジン排気浄化装置
US6438944B1 (en) * 2000-03-17 2002-08-27 Ford Global Technologies, Inc. Method and apparatus for optimizing purge fuel for purging emissions control device
DE10035525A1 (de) * 2000-07-21 2002-02-07 Bosch Gmbh Robert Verfahren zum Betreiben eines Katalysators
DE10057938A1 (de) * 2000-11-22 2002-05-23 Volkswagen Ag Verfahren und Vorrichtung zur Regeneration eines NOx-Speicherkatalysators
DE10057936A1 (de) * 2000-11-22 2002-05-23 Volkswagen Ag Verfahren und Vorrichtung zur Regeneration eines NOx-Speicherkatalysators

Also Published As

Publication number Publication date
KR20050030965A (ko) 2005-03-31
CA2493529A1 (fr) 2004-02-12
EP1525045A2 (fr) 2005-04-27
JP2005534855A (ja) 2005-11-17
WO2004012846A2 (fr) 2004-02-12
FR2843044A1 (fr) 2004-02-06
AU2003281833A1 (en) 2004-02-23
WO2004012846A3 (fr) 2004-04-08
AU2003281833A8 (en) 2004-02-23
US20060117738A1 (en) 2006-06-08

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