DE50006263D1 - VERFAHREN ZUR STEUERUNG EINER REGENERATION EINES NOx-SPEICHERKATALYSATORS - Google Patents

VERFAHREN ZUR STEUERUNG EINER REGENERATION EINES NOx-SPEICHERKATALYSATORS

Info

Publication number
DE50006263D1
DE50006263D1 DE50006263T DE50006263T DE50006263D1 DE 50006263 D1 DE50006263 D1 DE 50006263D1 DE 50006263 T DE50006263 T DE 50006263T DE 50006263 T DE50006263 T DE 50006263T DE 50006263 D1 DE50006263 D1 DE 50006263D1
Authority
DE
Germany
Prior art keywords
regeneration
controlling
nox storage
storage catalyst
catalyst
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 - Lifetime
Application number
DE50006263T
Other languages
English (en)
Inventor
Ekkehard Pott
Axel Koenig
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 DE50006263T priority Critical patent/DE50006263D1/de
Application granted granted Critical
Publication of DE50006263D1 publication Critical patent/DE50006263D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • 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
    • F02D41/021—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
    • 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
    • F02D41/146—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 NOx content or concentration
    • 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
    • F02D41/146—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 NOx content or concentration
    • F02D41/1463—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 NOx content or concentration of the exhaust gases downstream of exhaust gas treatment apparatus
    • 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
    • F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
    • F01N2550/03—Monitoring or diagnosing the deterioration of exhaust systems of sorbing activity of adsorbents or absorbents
    • 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
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D41/0047—Controlling exhaust gas recirculation [EGR]

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)
DE50006263T 1999-05-21 2000-05-13 VERFAHREN ZUR STEUERUNG EINER REGENERATION EINES NOx-SPEICHERKATALYSATORS Expired - Lifetime DE50006263D1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE50006263T DE50006263D1 (de) 1999-05-21 2000-05-13 VERFAHREN ZUR STEUERUNG EINER REGENERATION EINES NOx-SPEICHERKATALYSATORS

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19923498A DE19923498A1 (de) 1999-05-21 1999-05-21 Verfahren zur Steuerung einer Regeneration eines NOx-Speicherkatalysators
PCT/EP2000/004335 WO2000071878A1 (de) 1999-05-21 2000-05-13 VERFAHREN ZUR STEUERUNG EINER REGENERATION EINES NOx-SPEICHERKATALYSATORS
DE50006263T DE50006263D1 (de) 1999-05-21 2000-05-13 VERFAHREN ZUR STEUERUNG EINER REGENERATION EINES NOx-SPEICHERKATALYSATORS

Publications (1)

Publication Number Publication Date
DE50006263D1 true DE50006263D1 (de) 2004-06-03

Family

ID=7908846

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19923498A Withdrawn DE19923498A1 (de) 1999-05-21 1999-05-21 Verfahren zur Steuerung einer Regeneration eines NOx-Speicherkatalysators
DE50006263T Expired - Lifetime DE50006263D1 (de) 1999-05-21 2000-05-13 VERFAHREN ZUR STEUERUNG EINER REGENERATION EINES NOx-SPEICHERKATALYSATORS

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19923498A Withdrawn DE19923498A1 (de) 1999-05-21 1999-05-21 Verfahren zur Steuerung einer Regeneration eines NOx-Speicherkatalysators

Country Status (4)

Country Link
EP (1) EP1183454B1 (de)
JP (1) JP2003500595A (de)
DE (2) DE19923498A1 (de)
WO (1) WO2000071878A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10004330A1 (de) * 2000-02-01 2001-08-02 Deutz Ag Programmierbare Steuer- und Regelelektronik für eine Brennkraftmaschine
DE60116278T2 (de) * 2001-06-28 2006-08-03 Isuzu Motors Ltd. Vorrichtung zur Reinigung des Abgases mit einem Stickoxidfallekatalysator
JP3800080B2 (ja) * 2001-11-30 2006-07-19 トヨタ自動車株式会社 内燃機関の排気浄化装置
DE10249610B4 (de) * 2002-10-18 2010-10-07 Volkswagen Ag Verfahren und Vorrichtung zur Steuerung eines NOx-Speicherkatalysators
DE10318210B4 (de) * 2003-04-22 2006-06-14 Siemens Ag Betriebsverfahren für eine Brennkraftmaschine mit einem Vorkatalysator und einem Speicherkatalysator
DE10331331B4 (de) * 2003-07-10 2012-03-01 Volkswagen Ag Verfahren zum Betreiben einer Brennkraftmaschine
DE102005050517A1 (de) * 2005-10-21 2007-04-26 Umicore Ag & Co. Kg Verfahren zum Betreiben eines Stickoxid-Speicherkatalysators an einem Dieselmotor

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2985638B2 (ja) * 1993-10-18 1999-12-06 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP2888124B2 (ja) * 1994-01-27 1999-05-10 トヨタ自動車株式会社 内燃機関の排気浄化装置
DE19543219C1 (de) * 1995-11-20 1996-12-05 Daimler Benz Ag Verfahren zum Betreiben eines Dieselmotors
JPH1071325A (ja) * 1996-06-21 1998-03-17 Ngk Insulators Ltd エンジン排ガス系の制御方法および触媒／吸着手段の劣化検出方法
DE19705335C1 (de) * 1997-02-12 1998-09-17 Siemens Ag Verfahren zur Regeneration eines Speicherkatalysators
DE19716275C1 (de) * 1997-04-18 1998-09-24 Volkswagen Ag Verfahren zur Stickoxidreduzierung im Abgas einer Brennkraftmaschine
DE19729676C5 (de) * 1997-07-11 2004-04-15 Ford Global Technologies, LLC (n.d.Ges.d. Staates Delaware), Dearborn Verfahren zum Betrieb eines Verbrennungsmotors zum Schutz einer Abgasbehandlungseinrichtung
US5983627A (en) * 1997-09-02 1999-11-16 Ford Global Technologies, Inc. Closed loop control for desulfating a NOx trap
DE19744409C2 (de) * 1997-10-08 2001-11-08 Ford Global Tech Inc Verfahren zur Regeneration einer Stickoxidfalle im Abgassystem eines Verbrennungsmotors sowie Vorrichtung zur Durchführung des Verfahrens
DE19801815A1 (de) * 1998-01-19 1999-07-22 Volkswagen Ag Mager-Regeneration von NOx-Speichern
DE19830829C1 (de) * 1998-07-09 1999-04-08 Siemens Ag Verfahren zur Regeneration eines NOx-Speicherkatalysators

Also Published As

Publication number Publication date
EP1183454A1 (de) 2002-03-06
EP1183454B1 (de) 2004-04-28
JP2003500595A (ja) 2003-01-07
DE19923498A1 (de) 2000-11-23
WO2000071878A1 (de) 2000-11-30

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Legal Events

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8320 Willingness to grant licences declared (paragraph 23)