DE602008003203D1 - Verstopfungsbeurteilungsvorrichtung für ein reduktionsmitteleinspritzventil und verstopfungsbeurteilungsverfahren für ein reduktionsmitteleinspritzventil - Google Patents

Verstopfungsbeurteilungsvorrichtung für ein reduktionsmitteleinspritzventil und verstopfungsbeurteilungsverfahren für ein reduktionsmitteleinspritzventil

Info

Publication number
DE602008003203D1
DE602008003203D1 DE602008003203T DE602008003203T DE602008003203D1 DE 602008003203 D1 DE602008003203 D1 DE 602008003203D1 DE 602008003203 T DE602008003203 T DE 602008003203T DE 602008003203 T DE602008003203 T DE 602008003203T DE 602008003203 D1 DE602008003203 D1 DE 602008003203D1
Authority
DE
Germany
Prior art keywords
reduction amount
pressure reduction
valve
injection valve
reducing agent
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
DE602008003203T
Other languages
English (en)
Inventor
Eiichi Kitazawa
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.)
Bosch Corp
Original Assignee
Bosch Corp
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 Bosch Corp filed Critical Bosch Corp
Publication of DE602008003203D1 publication Critical patent/DE602008003203D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F01N3/10—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
    • F01N3/18—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 characterised by methods of operation; Control
    • F01N3/20—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 characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
    • 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
    • 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
    • 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
    • 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
    • F01N3/24—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 characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • 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
    • F01N2550/05—Systems for adding substances into 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
    • F01N2610/00—Adding substances to exhaust gases
    • 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
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/14—Arrangements for the supply of substances, e.g. conduits

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)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Cereal-Derived Products (AREA)
  • Formation And Processing Of Food Products (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
DE602008003203T 2007-01-26 2008-01-17 Verstopfungsbeurteilungsvorrichtung für ein reduktionsmitteleinspritzventil und verstopfungsbeurteilungsverfahren für ein reduktionsmitteleinspritzventil Active DE602008003203D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007015942A JP4906525B2 (ja) 2007-01-26 2007-01-26 還元剤噴射弁の詰まり判定装置及び還元剤噴射弁の詰まり判定方法
PCT/JP2008/050508 WO2008090798A1 (ja) 2007-01-26 2008-01-17 還元剤噴射弁の詰まり判定装置及び還元剤噴射弁の詰まり判定方法

Publications (1)

Publication Number Publication Date
DE602008003203D1 true DE602008003203D1 (de) 2010-12-09

Family

ID=39644374

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602008003203T Active DE602008003203D1 (de) 2007-01-26 2008-01-17 Verstopfungsbeurteilungsvorrichtung für ein reduktionsmitteleinspritzventil und verstopfungsbeurteilungsverfahren für ein reduktionsmitteleinspritzventil

Country Status (8)

Country Link
US (1) US8276437B2 (de)
EP (1) EP2128395B1 (de)
JP (1) JP4906525B2 (de)
KR (1) KR101024834B1 (de)
CN (1) CN101688454B (de)
AT (1) ATE486202T1 (de)
DE (1) DE602008003203D1 (de)
WO (1) WO2008090798A1 (de)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008005988B4 (de) * 2008-01-24 2017-05-11 Robert Bosch Gmbh Verfahren zur Diagnose einer Abgasnachbehandlungsvorrichtung und Vorrichtung zur Durchführung des Verfahrens
DE102008005989B4 (de) * 2008-01-24 2017-05-18 Robert Bosch Gmbh Verfahren zur Diagnose eines Dosierventils einer Abgasbehandlungsvorrichtung und Vorrichtung zur Durchführung des Verfahrens
WO2010029792A1 (ja) * 2008-09-12 2010-03-18 ボッシュ株式会社 内燃機関の排気浄化装置及びその制御方法
JP5325850B2 (ja) * 2009-10-30 2013-10-23 ボッシュ株式会社 還元剤噴射弁の異常検出装置及び異常検出方法、並びに内燃機関の排気浄化装置
JP5534602B2 (ja) * 2009-11-06 2014-07-02 ボッシュ株式会社 還元剤噴射弁の異常検出装置及び異常検出方法
SE536318C2 (sv) * 2010-06-21 2013-08-20 Scania Cv Ab Förfarande och anordning för att avlägsna reduktionsmedel ur en doseringsenhet vid ett SCR-system
FR2961854A1 (fr) 2010-06-23 2011-12-30 Inergy Automotive Systems Res Methode pour controler un systeme scr
BR112012032551A2 (pt) 2010-06-23 2016-11-22 Inergy Automotive Systems Res "método para monitorar um sistema scr"
JP5547815B2 (ja) * 2010-11-08 2014-07-16 ボッシュ株式会社 還元剤噴射弁の異常判定装置及び還元剤供給装置
JP5592759B2 (ja) * 2010-11-08 2014-09-17 ボッシュ株式会社 還元剤噴射弁の異常判定装置及び異常判定方法並びに内燃機関の排気浄化装置
CN103261612B (zh) * 2010-12-28 2015-10-07 博世株式会社 还原剂供给装置的异常诊断装置及还原剂供给装置
DE102011078870A1 (de) * 2011-01-20 2012-07-26 Robert Bosch Gmbh Verfahren zur Überwachung von Funktionen eines Dosiersystems
DE102011110056B4 (de) * 2011-08-12 2022-08-11 Vitesco Technologies GmbH Verfahren zur Dosierung eines Reduktionsmittels
KR101294067B1 (ko) * 2011-08-30 2013-08-07 현대자동차주식회사 Ｓｃｒ 시스템의 우레아 분사 노즐의 막힘 방지 방법
SE537849C2 (sv) * 2011-09-22 2015-11-03 Scania Cv Ab Förfarande och system för att bestämma behov av översyn av en doseringsenhet i ett SCR-system
DE102012200917B4 (de) * 2012-01-23 2023-06-29 Robert Bosch Gmbh Verfahren zum Erkennen einer Verstopfung eines Dosierventils eines SCR-Katalysatorsystems
DE102012002059A1 (de) * 2012-02-03 2013-08-08 Emitec Gesellschaft Für Emissionstechnologie Mbh Verfahren zum Betrieb einer Dosiervorrichtung
DE102012204385B4 (de) * 2012-03-20 2024-05-16 Robert Bosch Gmbh Verfahren und Steuereinheit zur Dosierung von Kraftstoff in einen Abgaskanal
BR102014005521B1 (pt) * 2013-03-14 2022-11-16 Cummins Ip, Inc Aparelhos e método para diagnosticar sistema de fornecimento de agente de redução e sistema de motor de combustão interna
KR101438630B1 (ko) * 2013-04-15 2014-09-05 현대자동차 주식회사 선택적 촉매 환원(scr) 시스템의 우레아 분사 노즐의 막힘 방지 방법
JP2015017523A (ja) * 2013-07-10 2015-01-29 日野自動車株式会社 燃料添加弁の故障検出装置
JP6161197B2 (ja) * 2013-07-18 2017-07-12 ボッシュ株式会社 排気管燃料噴射装置及び排気管燃料噴射方法
CN103511038B (zh) * 2013-09-18 2016-01-13 潍柴动力股份有限公司 监控尿素喷嘴电磁阀卡死的方法和系统
JP5962631B2 (ja) * 2013-11-14 2016-08-03 トヨタ自動車株式会社 内燃機関の排気浄化装置
CN104005824B (zh) * 2014-05-27 2016-09-07 潍柴动力股份有限公司 一种scr排放控制系统及方法
US11585253B2 (en) 2015-08-07 2023-02-21 Cummins Emission Solutions Inc. Converging liquid reductant injector nozzle in selective catalytic reduction systems
GB2528202A (en) * 2015-10-06 2016-01-13 Gm Global Tech Operations Inc A method of testing a proper functioning of a selective catalytic reduction system.
GB201521599D0 (en) * 2015-12-08 2016-01-20 Delphi Internat Operations Luxembourg S À R L Method of determining operation of an SCR reductant doser
US9938876B2 (en) 2016-02-19 2018-04-10 Toyota Jidosha Kabushiki Kaisha Abnormality diagnosis device for exhaust gas purification apparatus in internal combustion engine
DE102017210250A1 (de) * 2016-06-27 2017-12-28 Robert Bosch Gmbh Verfahren zur Erkennung einer Fehldosierung
US10060323B1 (en) * 2017-02-28 2018-08-28 GM Global Technology Operations LLC Method and system for monitoring reductant delivery performance for an SCR catalyst
GB2561549B (en) * 2017-04-06 2019-05-29 Delphi Tech Ip Ltd Method of detecting a doser valve opening or closing event
CN109869217B (zh) * 2017-12-05 2022-04-15 罗伯特·博世有限公司 用于尿素水溶液喷射系统的喷嘴阻塞诊断系统和方法
JP2019105259A (ja) * 2017-12-14 2019-06-27 トヨタ自動車株式会社 還元剤添加装置の異常診断装置
JP6988433B2 (ja) * 2017-12-18 2022-01-05 株式会社デンソー 異常判定装置
CN110242387B (zh) * 2018-03-08 2022-07-01 罗伯特·博世有限公司 碳氢喷射系统及其控制方法
CN111894714A (zh) * 2020-08-10 2020-11-06 上海星融汽车科技有限公司 Scr系统的进液口滤清器的堵塞检测方法、系统及车辆
CN112031903B (zh) * 2020-09-10 2021-04-02 上海星融汽车科技有限公司 一种针对scr尿素喷射装置的故障诊断方法
US11873751B2 (en) * 2020-11-13 2024-01-16 Caterpillar Inc. System and method for monitoring location of diesel exhaust fluid in a dosing system
CN113217941B (zh) * 2021-04-19 2022-07-29 华能铜川照金煤电有限公司 空预器堵塞预测与喷水喷氨优化防堵方法
US11781464B1 (en) * 2022-03-31 2023-10-10 Caterpillar Inc. Detecting reductant quality using a virtual sensor

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2827954B2 (ja) * 1995-03-28 1998-11-25 トヨタ自動車株式会社 ＮＯｘ 吸収剤の劣化検出装置
DE19855338A1 (de) 1998-12-01 2000-06-08 Bosch Gmbh Robert Vorrichtung zum Einbringen eines Reduktionsmittels in einen Abgasrohrabschnitt einer Brennkraftmaschine
DE19946901A1 (de) * 1999-09-30 2001-04-05 Bosch Gmbh Robert Vorrichtung zur Beaufschlagung eines strömenden Gases mit einem Reaktionsmittel
US6470673B1 (en) * 2000-02-22 2002-10-29 Ford Global Technologies, Inc. Control of a NOX reductant delivery system
JP3473583B2 (ja) * 2000-07-24 2003-12-08 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP3514230B2 (ja) * 2000-10-25 2004-03-31 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP3683175B2 (ja) * 2000-11-15 2005-08-17 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP3800016B2 (ja) * 2001-02-15 2006-07-19 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP2003041929A (ja) * 2001-08-01 2003-02-13 Toyota Motor Corp 内燃機関の排気浄化装置
EP1561919B1 (de) * 2004-02-05 2007-03-14 Haldor Topsoe A/S Einspritzdüse und Verfahren zur gleichmässigen Einspritzung eines Fluidstroms in einen Gasstrom mittels einer Einspritzdüse bei hoher Temperatur
DE102004022115A1 (de) * 2004-05-05 2005-11-24 Robert Bosch Gmbh Verfahren zum Einbringen eines Reagenzmittels in einen Abgaskanal einer Brennkraftmaschine und Vorrichtung zur Durchführung des Verfahrens
DE102004050989B4 (de) * 2004-10-20 2015-06-25 Robert Bosch Gmbh Verfahren zum Betreiben einer Abgasbehandlungsvorrichtung einer Brennkraftmaschine und Vorrichtung zur Durchführung des Verfahrens
JP4438662B2 (ja) * 2005-03-28 2010-03-24 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP4799289B2 (ja) * 2006-06-26 2011-10-26 Ｕｄトラックス株式会社 エンジンの排気浄化装置
JP2008038728A (ja) 2006-08-04 2008-02-21 Bosch Corp 還元剤供給装置及び還元剤供給装置の制御方法
JP4165896B2 (ja) * 2007-02-19 2008-10-15 ボッシュ株式会社 還元剤経路の詰まり判定装置及び還元剤経路の詰まり判定方法
US7971426B2 (en) * 2007-11-01 2011-07-05 Ford Global Technologies, Llc Reductant injection system diagnostics
JP5475243B2 (ja) * 2008-03-07 2014-04-16 ボッシュ株式会社 還元剤供給装置の制御装置及び還元剤の回収方法並びに排気浄化装置
JP5325850B2 (ja) * 2009-10-30 2013-10-23 ボッシュ株式会社 還元剤噴射弁の異常検出装置及び異常検出方法、並びに内燃機関の排気浄化装置
JP5534602B2 (ja) * 2009-11-06 2014-07-02 ボッシュ株式会社 還元剤噴射弁の異常検出装置及び異常検出方法

Also Published As

Publication number Publication date
EP2128395A1 (de) 2009-12-02
JP2008180193A (ja) 2008-08-07
EP2128395A4 (de) 2010-01-20
CN101688454A (zh) 2010-03-31
US8276437B2 (en) 2012-10-02
WO2008090798A1 (ja) 2008-07-31
EP2128395B1 (de) 2010-10-27
KR20090074229A (ko) 2009-07-06
JP4906525B2 (ja) 2012-03-28
US20100005871A1 (en) 2010-01-14
ATE486202T1 (de) 2010-11-15
CN101688454B (zh) 2012-03-28
KR101024834B1 (ko) 2011-03-25

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