DE19926148A1 - Verfahren zur Erhöhung der NOx-Umsatzrate von geschädigten NOx-Speicherkatalysatoren - Google Patents

Verfahren zur Erhöhung der NOx-Umsatzrate von geschädigten NOx-Speicherkatalysatoren

Info

Publication number
DE19926148A1
DE19926148A1 DE19926148A DE19926148A DE19926148A1 DE 19926148 A1 DE19926148 A1 DE 19926148A1 DE 19926148 A DE19926148 A DE 19926148A DE 19926148 A DE19926148 A DE 19926148A DE 19926148 A1 DE19926148 A1 DE 19926148A1
Authority
DE
Germany
Prior art keywords
lean
nox
catalyst
regeneration
undamaged
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.)
Withdrawn
Application number
DE19926148A
Other languages
German (de)
English (en)
Inventor
Ekkehard Pott
Hermann Hahn
Axel Lang
Frank Schulze
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.)
Volkswagen AG
Original Assignee
Volkswagen AG
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 Volkswagen AG filed Critical Volkswagen AG
Priority to DE19926148A priority Critical patent/DE19926148A1/de
Priority to EP00929557A priority patent/EP1198666A1/de
Priority to JP2001503797A priority patent/JP2003502554A/ja
Priority to PCT/EP2000/004808 priority patent/WO2000077371A1/de
Publication of DE19926148A1 publication Critical patent/DE19926148A1/de
Withdrawn legal-status Critical Current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
    • 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
    • F01N3/0871—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents using means for controlling, e.g. purging, the absorbents or adsorbents
    • 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
    • F01N3/0871—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents using means for controlling, e.g. purging, the absorbents or adsorbents
    • F01N3/0885—Regeneration of deteriorated absorbents or adsorbents, e.g. desulfurization of NOx traps
    • 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
    • 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
    • F02D41/028—Desulfurisation of NOx traps or adsorbent
    • 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
    • F01N2430/04—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics by adding non-fuel substances to combustion air or fuel, e.g. additives
    • 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
    • F01N2430/00—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics
    • F01N2430/10—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics by modifying inlet or exhaust valve timing
    • 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
    • F01N2570/04—Sulfur or sulfur oxides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/14—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the exhaust system
    • F02M26/15—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the exhaust system in relation to engine exhaust purifying apparatus

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
DE19926148A 1999-06-09 1999-06-09 Verfahren zur Erhöhung der NOx-Umsatzrate von geschädigten NOx-Speicherkatalysatoren Withdrawn DE19926148A1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE19926148A DE19926148A1 (de) 1999-06-09 1999-06-09 Verfahren zur Erhöhung der NOx-Umsatzrate von geschädigten NOx-Speicherkatalysatoren
EP00929557A EP1198666A1 (de) 1999-06-09 2000-05-26 VERFAHREN ZUR ERHÖHUNG DER NO x-UMSATZRATE VON GESCHÄDIGTEN NO x-SPEICHERKATALYSATOREN
JP2001503797A JP2003502554A (ja) 1999-06-09 2000-05-26 性能の低下したｎｏｘ貯蔵容器触媒のｎｏｘ変換率を高める方法
PCT/EP2000/004808 WO2000077371A1 (de) 1999-06-09 2000-05-26 VERFAHREN ZUR ERHÖHUNG DER NOx-UMSATZRATE VON GESCHÄDIGTEN NOx-SPEICHERKATALYSATOREN

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19926148A DE19926148A1 (de) 1999-06-09 1999-06-09 Verfahren zur Erhöhung der NOx-Umsatzrate von geschädigten NOx-Speicherkatalysatoren

Publications (1)

Publication Number Publication Date
DE19926148A1 true DE19926148A1 (de) 2000-12-14

Family

ID=7910583

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19926148A Withdrawn DE19926148A1 (de) 1999-06-09 1999-06-09 Verfahren zur Erhöhung der NOx-Umsatzrate von geschädigten NOx-Speicherkatalysatoren

Country Status (4)

Country Link
EP (1) EP1198666A1 (enExample)
JP (1) JP2003502554A (enExample)
DE (1) DE19926148A1 (enExample)
WO (1) WO2000077371A1 (enExample)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1519021A3 (en) * 2003-09-29 2005-07-20 Toyota Jidosha Kabushiki Kaisha Catalyst deterioration determination apparatus of internal combustion engine
EP1653058A1 (en) * 2004-10-27 2006-05-03 Hitachi, Ltd. Engine exhaust gas cleaning method and system
DE102008025520A1 (de) * 2008-05-28 2009-12-24 Ford Global Technologies, LLC, Dearborn Verfahren zum Betreiben einer Abgasnachbehandlungsanordnung, sowie Abgasnachbehandlungsanordnung
US8112988B2 (en) * 2006-03-16 2012-02-14 Ford Global Technologies, Llc System and method for desulfating a NOx trap
DE102010060992A1 (de) * 2010-12-02 2012-06-06 Fev Gmbh Ladedruckgeführtes Regelverfahren für eine Brennkraftmaschine
WO2012059179A3 (de) * 2010-11-04 2012-08-30 Daimler Ag Kraftfahrzeug-brennkraftmaschine und betriebsverfahren für eine kraftfahrzeug-brennkraftmaschine
WO2016074879A1 (de) 2014-11-10 2016-05-19 Fev Gmbh Verfahren zum betreiben einer verbrennungskraftmaschine mit einem nox-speicherkatalysator
GB2538961A (en) * 2015-06-01 2016-12-07 Ford Global Tech Llc A method of adaptively controlling purging of a lean NOx trap

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112523848A (zh) * 2020-10-29 2021-03-19 广西玉柴机器股份有限公司 一种燃油硫量的处理方法及相关装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0735250A2 (en) * 1995-03-28 1996-10-02 Toyota Jidosha Kabushiki Kaisha Device for detecting deterioration of NOx absorbent
DE19800665C1 (de) * 1998-01-10 1999-07-01 Degussa Verfahren zum Betreiben eines Stickoxid-Speicherkatalysators

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3301093B2 (ja) * 1991-11-12 2002-07-15 トヨタ自動車株式会社 内燃機関の排気ガス浄化装置
JP3114414B2 (ja) * 1993-03-12 2000-12-04 日産自動車株式会社 内燃機関の空燃比制御装置
JP2836523B2 (ja) * 1995-03-24 1998-12-14 トヨタ自動車株式会社 内燃機関の排気浄化装置
US5704339A (en) * 1996-04-26 1998-01-06 Ford Global Technologies, Inc. method and apparatus for improving vehicle fuel economy
WO1998012423A1 (en) * 1996-09-20 1998-03-26 Hitachi, Ltd. Engine control device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0735250A2 (en) * 1995-03-28 1996-10-02 Toyota Jidosha Kabushiki Kaisha Device for detecting deterioration of NOx absorbent
DE19800665C1 (de) * 1998-01-10 1999-07-01 Degussa Verfahren zum Betreiben eines Stickoxid-Speicherkatalysators

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1519021A3 (en) * 2003-09-29 2005-07-20 Toyota Jidosha Kabushiki Kaisha Catalyst deterioration determination apparatus of internal combustion engine
EP1653058A1 (en) * 2004-10-27 2006-05-03 Hitachi, Ltd. Engine exhaust gas cleaning method and system
US8112988B2 (en) * 2006-03-16 2012-02-14 Ford Global Technologies, Llc System and method for desulfating a NOx trap
DE102008025520A1 (de) * 2008-05-28 2009-12-24 Ford Global Technologies, LLC, Dearborn Verfahren zum Betreiben einer Abgasnachbehandlungsanordnung, sowie Abgasnachbehandlungsanordnung
DE102008025520B4 (de) * 2008-05-28 2011-06-09 Ford Global Technologies, LLC, Dearborn Verfahren zum Betreiben einer Abgasnachbehandlungsanordnung, sowie Abgasnachbehandlungsanordnung
WO2012059179A3 (de) * 2010-11-04 2012-08-30 Daimler Ag Kraftfahrzeug-brennkraftmaschine und betriebsverfahren für eine kraftfahrzeug-brennkraftmaschine
US9458799B2 (en) 2010-11-04 2016-10-04 Daimler Ag Method for operating motor vehicle internal combustion engine
DE102010060992A1 (de) * 2010-12-02 2012-06-06 Fev Gmbh Ladedruckgeführtes Regelverfahren für eine Brennkraftmaschine
US9388756B2 (en) 2010-12-02 2016-07-12 Fev Gmbh Charging-pressure-guided control method for an internal combustion engine
WO2016074879A1 (de) 2014-11-10 2016-05-19 Fev Gmbh Verfahren zum betreiben einer verbrennungskraftmaschine mit einem nox-speicherkatalysator
GB2538961A (en) * 2015-06-01 2016-12-07 Ford Global Tech Llc A method of adaptively controlling purging of a lean NOx trap
GB2538961B (en) * 2015-06-01 2017-10-11 Ford Global Tech Llc A method of adaptively controlling purging of a lean NOx trap

Also Published As

Publication number Publication date
WO2000077371A1 (de) 2000-12-21
EP1198666A1 (de) 2002-04-24
JP2003502554A (ja) 2003-01-21

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Legal Events

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OM8 Search report available as to paragraph 43 lit. 1 sentence 1 patent law
8120 Willingness to grant licenses paragraph 23
8110 Request for examination paragraph 44
R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee

Effective date: 20130101