DE602009000187D1 - Vorrichtung und Verfahren zur Bestimmung der Alterung eines Katalysators - Google Patents

Vorrichtung und Verfahren zur Bestimmung der Alterung eines Katalysators

Info

Publication number
DE602009000187D1
DE602009000187D1 DE602009000187T DE602009000187T DE602009000187D1 DE 602009000187 D1 DE602009000187 D1 DE 602009000187D1 DE 602009000187 T DE602009000187 T DE 602009000187T DE 602009000187 T DE602009000187 T DE 602009000187T DE 602009000187 D1 DE602009000187 D1 DE 602009000187D1
Authority
DE
Germany
Prior art keywords
catalyst
sulfur
determined
deteriorated
deterioration determination
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.)
Active
Application number
DE602009000187T
Other languages
English (en)
Inventor
Jun Iida
Daisuke Sato
Hirofumi Hara
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.)
Honda Motor Co Ltd
Original Assignee
Honda 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 Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Publication of DE602009000187D1 publication Critical patent/DE602009000187D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F01N3/0871—Regulation of absorbents or adsorbents, e.g. purging
    • F01N3/0885—Regeneration of deteriorated absorbents or adsorbents, e.g. desulfurization of NOx traps
    • 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—Regulation of absorbents or adsorbents, e.g. purging

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)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
DE602009000187T 2008-08-05 2009-07-24 Vorrichtung und Verfahren zur Bestimmung der Alterung eines Katalysators Active DE602009000187D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008201475 2008-08-05
JP2009074631A JP4688941B2 (ja) 2008-08-05 2009-03-25 触媒の劣化判定装置

Publications (1)

Publication Number Publication Date
DE602009000187D1 true DE602009000187D1 (de) 2010-10-28

Family

ID=40975626

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602009000187T Active DE602009000187D1 (de) 2008-08-05 2009-07-24 Vorrichtung und Verfahren zur Bestimmung der Alterung eines Katalysators

Country Status (5)

Country Link
US (1) US20100031632A1 (de)
EP (1) EP2151555B1 (de)
JP (1) JP4688941B2 (de)
AT (1) ATE481557T1 (de)
DE (1) DE602009000187D1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101198787B1 (ko) * 2010-07-08 2012-11-07 기아자동차주식회사 배기가스 후처리 시스템 및 이의 제어 방법
JP5494571B2 (ja) * 2011-05-27 2014-05-14 トヨタ自動車株式会社 燃料性状判定装置及びこれを備えた触媒異常診断装置
JP6500886B2 (ja) * 2016-12-22 2019-04-17 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP6660334B2 (ja) * 2017-03-22 2020-03-11 日立オートモティブシステムズ株式会社 内燃機関の制御装置及び制御方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3805562B2 (ja) * 1999-06-03 2006-08-02 三菱電機株式会社 内燃機関の排気浄化装置
DE19963921A1 (de) * 1999-12-31 2001-07-12 Bosch Gmbh Robert Verfahren zum Betreiben eines Speicherkatalysators einer Brennkraftmaschine
JP4380902B2 (ja) * 2000-09-22 2009-12-09 株式会社デンソー 排出ガス浄化用触媒の劣化検出装置
JP4432259B2 (ja) 2000-12-25 2010-03-17 株式会社デンソー 内燃機関の排気浄化装置
US7198952B2 (en) * 2001-07-18 2007-04-03 Toyota Jidosha Kabushiki Kaisha Catalyst deterioration detecting apparatus and method
JP2003148136A (ja) * 2001-11-13 2003-05-21 Toyota Motor Corp 排気浄化触媒の劣化判定装置
JP4106529B2 (ja) * 2002-02-28 2008-06-25 三菱自動車工業株式会社 多気筒内燃機関の排気浄化装置
JP4093301B2 (ja) * 2002-03-29 2008-06-04 いすゞ自動車株式会社 排気ガス浄化システム及びその制御方法
JP4083453B2 (ja) * 2002-03-29 2008-04-30 いすゞ自動車株式会社 ＮＯｘ浄化システム及びその触媒劣化回復方法
JP2004162694A (ja) * 2002-09-20 2004-06-10 Mazda Motor Corp エンジンの排気浄化装置
JP2005155374A (ja) * 2003-11-21 2005-06-16 Isuzu Motors Ltd 排気浄化方法及び排気浄化システム
JP2005220901A (ja) * 2004-01-06 2005-08-18 Toyota Motor Corp 内燃機関の触媒劣化状態評価装置
JP4259360B2 (ja) * 2004-03-18 2009-04-30 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP4635860B2 (ja) * 2005-12-20 2011-02-23 株式会社デンソー 内燃機関の排気浄化装置
DE102005060830B4 (de) * 2005-12-20 2007-10-11 Umicore Ag & Co. Kg Verfahren zum Betreiben eines Stickoxid-Speicherkatalysators an einem Kraftfahrzeug unter Berücksichtigung regionaler Kraftstoffqualitäten
JP4906393B2 (ja) * 2006-04-27 2012-03-28 本田技研工業株式会社 内燃機関の触媒劣化検知装置
JP2008138522A (ja) * 2006-11-30 2008-06-19 Hitachi Ltd エンジンの始動時の触媒の早期昇温方法、及びその方法を備えた燃料制御装置
JP2008175181A (ja) * 2007-01-22 2008-07-31 Toyota Motor Corp 内燃機関の触媒劣化検出装置

Also Published As

Publication number Publication date
ATE481557T1 (de) 2010-10-15
EP2151555B1 (de) 2010-09-15
JP4688941B2 (ja) 2011-05-25
JP2010059957A (ja) 2010-03-18
EP2151555A1 (de) 2010-02-10
US20100031632A1 (en) 2010-02-11

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