FR2783872B1 - Diagnostic d'un catalyseur a trois voies ou d'un catalyseur a accumulation de nox - Google Patents

Diagnostic d'un catalyseur a trois voies ou d'un catalyseur a accumulation de nox

Info

Publication number
FR2783872B1
FR2783872B1 FR9911940A FR9911940A FR2783872B1 FR 2783872 B1 FR2783872 B1 FR 2783872B1 FR 9911940 A FR9911940 A FR 9911940A FR 9911940 A FR9911940 A FR 9911940A FR 2783872 B1 FR2783872 B1 FR 2783872B1
Authority
FR
France
Prior art keywords
catalyst
diagnosis
nox accumulation
way
way 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 - Fee Related
Application number
FR9911940A
Other languages
English (en)
Other versions
FR2783872A1 (fr
Inventor
Andreas Blumenstock
Klaus Winkler
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
Publication of FR2783872A1 publication Critical patent/FR2783872A1/fr
Application granted granted Critical
Publication of FR2783872B1 publication Critical patent/FR2783872B1/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
    • 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
    • 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
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P5/00—Advancing or retarding ignition; Control therefor
    • F02P5/04—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions
    • F02P5/145—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions using electrical means
    • F02P5/15—Digital data processing
    • F02P5/1502—Digital data processing using one central computing unit
    • F02P5/1506—Digital data processing using one central computing unit with particular means during starting
    • 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
    • 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
    • F01N2570/16—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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
FR9911940A 1998-09-25 1999-09-24 Diagnostic d'un catalyseur a trois voies ou d'un catalyseur a accumulation de nox Expired - Fee Related FR2783872B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19844178A DE19844178A1 (de) 1998-09-25 1998-09-25 Katalysatordiagnoseverfahren

Publications (2)

Publication Number Publication Date
FR2783872A1 FR2783872A1 (fr) 2000-03-31
FR2783872B1 true FR2783872B1 (fr) 2005-11-11

Family

ID=7882327

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9911940A Expired - Fee Related FR2783872B1 (fr) 1998-09-25 1999-09-24 Diagnostic d'un catalyseur a trois voies ou d'un catalyseur a accumulation de nox

Country Status (3)

Country Link
JP (1) JP2000104537A (fr)
DE (1) DE19844178A1 (fr)
FR (1) FR2783872B1 (fr)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19963921A1 (de) * 1999-12-31 2001-07-12 Bosch Gmbh Robert Verfahren zum Betreiben eines Speicherkatalysators einer Brennkraftmaschine
DE10017203A1 (de) * 2000-04-06 2001-10-11 Audi Ag Verfahren zur Entschwefelung eines im Abgasstrang einer Diesel-Brennkraftmaschine angeordneten Oxidationskatalysators
DE10114456B4 (de) * 2000-04-07 2011-03-31 Volkswagen Ag Vorrichtung und Verfahren zur Koordination von abgasrelevanten Maßnahmen
DE10017940C2 (de) 2000-04-11 2003-01-23 Omg Ag & Co Kg Verfahren zur Überprüfung der Funktionstüchtigkeit eines Stickoxid-Speicherkatalysators
DE10023060B4 (de) * 2000-05-11 2009-12-24 Volkswagen Ag Verfahren zur Bestimmung des Alterungszustandes sowie zur Durchführung der NOx-Regeneration eines NOx-Speicherkatalysators
DE10036406A1 (de) * 2000-07-26 2002-02-14 Bosch Gmbh Robert Verfahren zum Betreiben eines Stickoxid (NOx)-Speicherkatalysators
DE10064499B4 (de) * 2000-12-22 2011-11-03 Ralf Moos Verfahren zur Zustandserkennung eines NOx-Speicherkatalysators
JP3645841B2 (ja) * 2001-08-28 2005-05-11 本田技研工業株式会社 内燃機関の排気浄化装置
ITBO20010762A1 (it) 2001-12-14 2003-06-16 Magneti Marelli Powertrain Spa Metodo per la stima del contenuto di zolfo nel carburante di un motore a combustione interna
DE10217455B4 (de) * 2002-04-19 2010-01-07 Audi Ag Verfahren zum Betrieb eines NOx-Adsorbers sowie NOx-Adsorber-Steuerung
DE10243343B4 (de) * 2002-09-18 2008-12-11 Continental Automotive Gmbh Verfahren zur Bewertung eines Drei-Wege-Katalysator
DE10302700B4 (de) * 2002-12-31 2013-01-17 Volkswagen Ag Verfahren und Vorrichtung zur Diagnose eines NOx-Speicherkatalysators im Abgastrakt eines Verbrennungsmotors
DE10318214B4 (de) * 2003-04-22 2005-12-01 Siemens Ag Verfahren zur Ermittlung des Alterungszustandes eines Speicherkatalysators
DE10331331B4 (de) * 2003-07-10 2012-03-01 Volkswagen Ag Verfahren zum Betreiben einer Brennkraftmaschine
ATE460573T1 (de) 2004-12-14 2010-03-15 Volvo Lastvagnar Ab Verfahren, vorrichtung und rechnerprogrammprodukt zur diagnose eines oxidationskatalysators
FR2886019B1 (fr) * 2005-05-20 2007-08-17 Peugeot Citroen Automobiles Sa Procede d'evaluation des emissions h2s en catalyse trois voies
DE602006015210D1 (de) * 2006-12-22 2010-08-12 Ford Global Tech Llc Verbrennungsmotorsystem und Verfahren zur Bestimmung des Zustandes einer Abgasbehandlungsvorrichtung in einem solchen System
DE102007016763B3 (de) * 2007-04-07 2008-06-12 Audi Ag Verfahren zur Diagnose eines Drei-Wege-Katalysators für eine Brennkraftmaschine
JP2009228680A (ja) * 2009-07-09 2009-10-08 Denso Corp 排出ガス浄化用触媒の劣化検出装置
US8713914B2 (en) 2009-09-29 2014-05-06 GM Global Technology Operations LLC Method and apparatus for monitoring a hydrocarbon-selective catalytic reduction device
CN113669143B (zh) * 2021-09-24 2022-12-06 一汽解放汽车有限公司 一种尾气后处理系统性能检测方法、检测装置及介质

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2444334A1 (de) * 1974-09-17 1976-03-25 Bosch Gmbh Robert Verfahren und einrichtung zur ueberwachung der aktivitaet von katalytischen reaktoren
US5743084A (en) * 1996-10-16 1998-04-28 Ford Global Technologies, Inc. Method for monitoring the performance of a nox trap
US5771685A (en) * 1996-10-16 1998-06-30 Ford Global Technologies, Inc. Method for monitoring the performance of a NOx trap

Also Published As

Publication number Publication date
FR2783872A1 (fr) 2000-03-31
JP2000104537A (ja) 2000-04-11
DE19844178A1 (de) 2000-03-30

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Effective date: 20110531