ATE555283T1 - Katalysatorüberwachungssystem und katalysatorüberwachungsverfahren - Google Patents

Katalysatorüberwachungssystem und katalysatorüberwachungsverfahren

Info

Publication number
ATE555283T1
ATE555283T1 AT08719231T AT08719231T ATE555283T1 AT E555283 T1 ATE555283 T1 AT E555283T1 AT 08719231 T AT08719231 T AT 08719231T AT 08719231 T AT08719231 T AT 08719231T AT E555283 T1 ATE555283 T1 AT E555283T1
Authority
AT
Austria
Prior art keywords
catalyst
catalyst monitoring
components
hydrocarbon
concentration
Prior art date
Application number
AT08719231T
Other languages
English (en)
Inventor
Koichi Kitaura
Toru Kidokoro
Hiroshi Sawada
Yasushi Iwazaki
Koichi Kimura
Original Assignee
Toyota 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
Application filed by Toyota Motor Co Ltd filed Critical Toyota Motor Co Ltd
Application granted granted Critical
Publication of ATE555283T1 publication Critical patent/ATE555283T1/de

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
    • F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
    • F01N11/007—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring oxygen or air concentration downstream of the exhaust 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
    • 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
    • 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
    • F01N2550/02—Catalytic activity of catalytic converters
    • 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
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
    • F01N2560/023—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting HC
    • 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
    • Y02T10/12—Improving ICE efficiencies
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
AT08719231T 2007-03-06 2008-03-05 Katalysatorüberwachungssystem und katalysatorüberwachungsverfahren ATE555283T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007056044A JP4915256B2 (ja) 2007-03-06 2007-03-06 触媒の劣化診断装置及び劣化診断方法
PCT/IB2008/000511 WO2008107779A2 (en) 2007-03-06 2008-03-05 Catalyst monitoring system and catalyst monitoring method

Publications (1)

Publication Number Publication Date
ATE555283T1 true ATE555283T1 (de) 2012-05-15

Family

ID=39638679

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08719231T ATE555283T1 (de) 2007-03-06 2008-03-05 Katalysatorüberwachungssystem und katalysatorüberwachungsverfahren

Country Status (6)

Country Link
US (1) US20100083635A1 (de)
EP (1) EP2118459B1 (de)
JP (1) JP4915256B2 (de)
CN (1) CN101636566A (de)
AT (1) ATE555283T1 (de)
WO (1) WO2008107779A2 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011099164A1 (ja) * 2010-02-15 2011-08-18 トヨタ自動車株式会社 内燃機関の触媒劣化診断装置
JP5206774B2 (ja) * 2010-11-25 2013-06-12 トヨタ自動車株式会社 触媒劣化の診断装置
US9062584B2 (en) 2010-12-31 2015-06-23 Cummins, Inc. Hybrid engine aftertreatment thermal management strategy
DE102011015396B4 (de) * 2011-03-29 2013-06-13 Audi Ag Verfahren zum Überprüfen von Komponenten eines Kraftwagens und Kraftwagen mit entsprechender Überprüfungseinrichtung
CN102275525B (zh) * 2011-05-25 2013-05-22 东莞市鑫亚塑胶制品有限公司 精密电控系统及具有该系统的增程式电动车
EP2937133A1 (de) * 2014-04-24 2015-10-28 Kjærulf Pedersen A/S Kühlwagenbehälter zum Transportieren und Aufbewahren einer Vielzahl von landwirtschaftlichen Erzeugnissen
US10176696B2 (en) * 2014-11-21 2019-01-08 Richard Harper Apparatus and process for measuring gaseous emissions from an engine
JP6408363B2 (ja) * 2014-12-03 2018-10-17 日本碍子株式会社 触媒劣化診断方法
JP6401595B2 (ja) * 2014-12-03 2018-10-10 日本碍子株式会社 触媒劣化診断方法
JP6374780B2 (ja) * 2014-12-03 2018-08-15 日本碍子株式会社 触媒劣化診断システムおよび触媒劣化診断方法
DE102015001495A1 (de) * 2015-02-05 2016-08-11 Man Diesel & Turbo Se Brennkraftmaschine und Verfahren zum Betreiben derselben
WO2017135957A1 (en) * 2016-02-04 2017-08-10 Cummins Inc. System and method for self-adjusting engine performance parameters during fuel quality variation
JP6563840B2 (ja) * 2016-03-28 2019-08-21 日本碍子株式会社 触媒劣化診断方法および触媒劣化診断システム
JP6563839B2 (ja) * 2016-03-28 2019-08-21 日本碍子株式会社 触媒劣化診断方法および触媒劣化診断システム
JP6350581B2 (ja) * 2016-04-12 2018-07-04 トヨタ自動車株式会社 内燃機関の排気浄化制御装置
CN105697113B (zh) * 2016-04-20 2018-06-29 北京汽车研究总院有限公司 一种催化器总成及汽车
US10365258B2 (en) * 2017-08-11 2019-07-30 GM Global Technology Operations LLC Methods for determining oxidation performance of oxidation catalyst devices

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2705039B2 (ja) * 1990-08-28 1998-01-26 本田技研工業株式会社 内燃エンジンの三元触媒の劣化検出装置
JP3321477B2 (ja) * 1993-04-09 2002-09-03 株式会社日立製作所 排気浄化装置の診断装置
JP3151368B2 (ja) * 1995-02-17 2001-04-03 株式会社日立製作所 内燃機関用排気ガス浄化装置の診断装置
JP3067646B2 (ja) * 1996-06-24 2000-07-17 トヨタ自動車株式会社 空燃比センサのヒータ制御装置
US5839274A (en) * 1997-04-21 1998-11-24 Motorola, Inc. Method for monitoring the performance of a catalytic converter using post catalyst methane measurements
US6003307A (en) * 1998-02-06 1999-12-21 Engelhard Corporation OBD calorimetric sensor system with offset error correction
JP3622612B2 (ja) * 1999-12-24 2005-02-23 日産自動車株式会社 内燃機関の排気浄化装置
JP2002349254A (ja) * 2001-05-18 2002-12-04 Tokyo Gas Co Ltd 内燃機関の排気ガス浄化装置及びその制御方法
US6615577B2 (en) * 2001-06-19 2003-09-09 Ford Global Technologies, Llc Method and system for controlling a regeneration cycle of an emission control device
JP4134665B2 (ja) * 2002-10-08 2008-08-20 マツダ株式会社 Ｈｃ濃度予測方法およびｈｃ吸着触媒の劣化診断装置
US7305977B1 (en) * 2006-09-05 2007-12-11 Gm Global Technology Operations, Inc. System for controlling regeneration of lean NOx traps

Also Published As

Publication number Publication date
US20100083635A1 (en) 2010-04-08
EP2118459B1 (de) 2012-04-25
JP4915256B2 (ja) 2012-04-11
WO2008107779A2 (en) 2008-09-12
EP2118459A2 (de) 2009-11-18
CN101636566A (zh) 2010-01-27
JP2008215261A (ja) 2008-09-18
WO2008107779A3 (en) 2008-11-27

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