DE69901358T2 - Verfahren und Vorrichtung zum Feststellen der Verschlechterung eines NOx-Katalysators - Google Patents

Verfahren und Vorrichtung zum Feststellen der Verschlechterung eines NOx-Katalysators

Info

Publication number
DE69901358T2
DE69901358T2 DE69901358T DE69901358T DE69901358T2 DE 69901358 T2 DE69901358 T2 DE 69901358T2 DE 69901358 T DE69901358 T DE 69901358T DE 69901358 T DE69901358 T DE 69901358T DE 69901358 T2 DE69901358 T2 DE 69901358T2
Authority
DE
Germany
Prior art keywords
nox catalyst
determining deterioration
deterioration
determining
nox
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
DE69901358T
Other languages
English (en)
Other versions
DE69901358D1 (de
DE69901358T3 (de
Inventor
Yasuyuki Itou
Hidetoshi Itou
Kouji Ishihara
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.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor Co Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=12281662&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69901358(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Publication of DE69901358D1 publication Critical patent/DE69901358D1/de
Publication of DE69901358T2 publication Critical patent/DE69901358T2/de
Application granted granted Critical
Publication of DE69901358T3 publication Critical patent/DE69901358T3/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • F01N3/0807Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0828Exhaust 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
    • F01N3/0842Nitrogen oxides
    • 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
    • F01N11/00Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
    • 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
    • F01N3/0807Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0814Exhaust 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
    • 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
    • F01N3/0807Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0871Regulation of absorbents or adsorbents, e.g. purging
    • 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
    • F01N2550/00Monitoring or diagnosing the deterioration of exhaust systems
    • F01N2550/03Monitoring or diagnosing the deterioration of exhaust systems of sorbing activity of adsorbents or absorbents
    • 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
    • F01N2550/00Monitoring or diagnosing the deterioration of exhaust systems
    • F01N2550/06By-pass systems
    • F01N2550/10By-pass systems of catalytic converters
    • 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
    • F01N2570/00Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/14Nitrogen oxides
    • 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
    • F01N2900/00Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/04Methods of control or diagnosing
    • F01N2900/0422Methods of control or diagnosing measuring the elapsed time
    • 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
    • Y02T10/40Engine management systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (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)
  • Health & Medical Sciences (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
DE69901358T 1998-02-12 1999-02-10 Verfahren und Vorrichtung zum Feststellen der Verschlechterung eines NOx-Katalysators Expired - Lifetime DE69901358T3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP02963998A JP3456401B2 (ja) 1998-02-12 1998-02-12 内燃機関の排気浄化装置
JP2963998 1998-02-12

Publications (3)

Publication Number Publication Date
DE69901358D1 DE69901358D1 (de) 2002-06-06
DE69901358T2 true DE69901358T2 (de) 2002-08-29
DE69901358T3 DE69901358T3 (de) 2010-04-15

Family

ID=12281662

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69901358T Expired - Lifetime DE69901358T3 (de) 1998-02-12 1999-02-10 Verfahren und Vorrichtung zum Feststellen der Verschlechterung eines NOx-Katalysators

Country Status (4)

Country Link
US (1) US6167695B1 (de)
EP (1) EP0936349B2 (de)
JP (1) JP3456401B2 (de)
DE (1) DE69901358T3 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10318116B4 (de) * 2003-04-22 2012-02-23 Robert Bosch Gmbh Verfahren zum Betreiben einer Brennkraftmaschine, insbesondere eines Kraftfahrzeugs, Computerprogramm, Steuergerät und Brennkraftmaschine
EP2466087A1 (de) 2010-12-14 2012-06-20 Peugeot Citroën Automobiles SA Diagnoseverfahren eines SCR-Systems für ein Kraftfahrzeug, sowie entsprechendes Kraftfahrzeug

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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
DE19843879C2 (de) * 1998-09-25 2003-05-08 Bosch Gmbh Robert Betrieb eines Verbrennungsmotors in Verbindung mit einem NOx-Speicherkatalysator und einem NOx-Sensor
DE19843871B4 (de) * 1998-09-25 2005-05-04 Robert Bosch Gmbh Diagnose eines NOx-Speicherkatalysators mit nachgeschaltetem NOx-Sensor
DE19921973A1 (de) * 1999-05-12 2000-11-16 Volkswagen Ag Verfahren zur Entschwefelung von wenigstens einem in einem Abgaskanal einer Verbrennungskraftmaschine angeordneten NO¶x¶-Speicherkatalysator
JP2000352307A (ja) * 1999-06-10 2000-12-19 Hitachi Ltd エンジン排気浄化装置
DE19931321A1 (de) * 1999-07-07 2001-01-18 Siemens Ag Verfahren zum Überprüfen eines Dreiwege-Abgaskatalysators einer Brennkraftmaschine
DE19963901A1 (de) 1999-12-31 2001-07-12 Bosch Gmbh Robert Verfahren zum Betreiben eines Katalysators einer Brennkraftmaschine
DE19963938A1 (de) * 1999-12-31 2001-07-12 Bosch Gmbh Robert Verfahren zum Betreiben eines Dreiwegekatalysators einer Brennkraftmaschine
EP1248900B1 (de) 2000-01-19 2005-12-07 Volkswagen Aktiengesellschaft VERFAHREN UND VORRICHTUNG ZUR DIAGNOSE EINES NOx-SPEICHERKATALYSATORS
US6632764B2 (en) 2000-01-19 2003-10-14 Volkswagen Ag Method for controlling the regeneration of an NOx storage converter
DE10003612A1 (de) * 2000-01-28 2001-08-02 Volkswagen Ag Verfahren und Vorrichtung zur Ermittlung einer NOx-Speicherkapazität eines NOx-Speicherkatalysators
US6860100B1 (en) * 2000-03-17 2005-03-01 Ford Global Technologies, Llc Degradation detection method for an engine having a NOx sensor
US6810659B1 (en) * 2000-03-17 2004-11-02 Ford Global Technologies, Llc Method for determining emission control system operability
US6499293B1 (en) * 2000-03-17 2002-12-31 Ford Global Technologies, Inc. Method and system for reducing NOx tailpipe emissions of a lean-burn internal combustion engine
US6427437B1 (en) * 2000-03-17 2002-08-06 Ford Global Technologies, Inc. Method for improved performance of an engine emission control system
US6347512B1 (en) * 2000-04-28 2002-02-19 Ford Global Technologies, Inc. Method and system for controlling a lean NOx trap purge cycle
US6698188B2 (en) * 2000-12-08 2004-03-02 Toyota Jidosha Kabushiki Kaisha Emission control apparatus of internal combustion engine
DE10153769B4 (de) * 2000-12-08 2004-08-05 Ford Global Technologies, LLC (n.d.Ges.d. Staates Delaware), Dearborn Verfahren und Einrichtung zur Überwachung des Schädigungsgrades eines Katalysators
JP3649130B2 (ja) * 2001-01-22 2005-05-18 トヨタ自動車株式会社 内燃機関の排気浄化装置
US6591604B2 (en) 2001-06-19 2003-07-15 Ford Global Technologies, Llc Oxygen storage capacity estimation
DE10139992B4 (de) * 2001-08-16 2006-04-27 Daimlerchrysler Ag Verfahren zur Regelung der Gemischzusammensetzung für einen Ottomotor mit NOx-Speicherkatalysator während einer Regenerationsphase
US6453663B1 (en) 2001-08-16 2002-09-24 Ford Global Technologies, Inc NOx sensor monitoring
DE10161901B4 (de) * 2001-12-17 2010-10-28 Volkswagen Ag Verfahren und Vorrichtung zur Kompensation des Offsets der linearen Sensorcharakteristik eines im Abgas einer Verbrennungskraftmaschine angeordneten Sensors
JP4093302B2 (ja) * 2002-03-29 2008-06-04 いすゞ自動車株式会社 NOx浄化システムの触媒劣化判定方法及びNOx浄化システム
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JP4232524B2 (ja) 2003-04-25 2009-03-04 株式会社日立製作所 エンジンの制御装置
DE10319983B3 (de) * 2003-05-05 2004-08-05 Siemens Ag Verfahren und Vorrichtung zur Lambda-Regelung und zur Katalysatordiagnose bei einer Brennkraftmaschine
US6925796B2 (en) * 2003-11-19 2005-08-09 Ford Global Technologies, Llc Diagnosis of a urea SCR catalytic system
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JP5056898B2 (ja) 2010-05-17 2012-10-24 トヨタ自動車株式会社 排気浄化装置の故障検出装置
JP6499061B2 (ja) * 2015-11-16 2019-04-10 本田技研工業株式会社 内燃機関の排気浄化装置
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10318116B4 (de) * 2003-04-22 2012-02-23 Robert Bosch Gmbh Verfahren zum Betreiben einer Brennkraftmaschine, insbesondere eines Kraftfahrzeugs, Computerprogramm, Steuergerät und Brennkraftmaschine
EP2466087A1 (de) 2010-12-14 2012-06-20 Peugeot Citroën Automobiles SA Diagnoseverfahren eines SCR-Systems für ein Kraftfahrzeug, sowie entsprechendes Kraftfahrzeug

Also Published As

Publication number Publication date
JPH11229853A (ja) 1999-08-24
EP0936349B1 (de) 2002-05-02
EP0936349A3 (de) 2000-01-26
DE69901358D1 (de) 2002-06-06
JP3456401B2 (ja) 2003-10-14
US6167695B1 (en) 2001-01-02
EP0936349A2 (de) 1999-08-18
EP0936349B2 (de) 2009-12-16
DE69901358T3 (de) 2010-04-15

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