ATE543984T1 - Betriebsverfahren für ein abgasbehandlungssystem - Google Patents

Betriebsverfahren für ein abgasbehandlungssystem

Info

Publication number
ATE543984T1
ATE543984T1 AT09171096T AT09171096T ATE543984T1 AT E543984 T1 ATE543984 T1 AT E543984T1 AT 09171096 T AT09171096 T AT 09171096T AT 09171096 T AT09171096 T AT 09171096T AT E543984 T1 ATE543984 T1 AT E543984T1
Authority
AT
Austria
Prior art keywords
dosing
exhaust gas
treatment system
exhaust
temperature gradient
Prior art date
Application number
AT09171096T
Other languages
English (en)
Inventor
Ming-Cheng Wu
Andrew D Herman
Mark A Shost
Original Assignee
Delphi Tech Inc
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 Delphi Tech Inc filed Critical Delphi Tech Inc
Application granted granted Critical
Publication of ATE543984T1 publication Critical patent/ATE543984T1/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
    • 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
    • F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
    • F01N3/208—Control of selective catalytic reduction [SCR], e.g. by adjusting the dosing of reducing agent
    • 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
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features having two or more separate purifying devices arranged in series
    • F01N13/0093—Exhaust or silencing apparatus characterised by constructional features having two or more separate purifying devices arranged in series the purifying devices are of the same type
    • 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
    • F01N9/00—Electrical control of exhaust gas treating 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
    • 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
    • F01N2560/021—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting ammonia NH3
    • 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
    • F01N2560/026—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting NOx
    • 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
    • F01N2560/06—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a temperature sensor
    • 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
    • F01N2560/08—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a pressure sensor
    • 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
    • F01N2560/14—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics having more than one sensor of one kind
    • 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
    • F01N2570/18—Ammonia
    • 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
    • F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
    • 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
    • F01N2610/1453—Sprayers or atomisers; Arrangement thereof in the exhaust apparatus
    • F01N2610/146—Control thereof, e.g. control of injectors or injection valves
    • 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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/04—Methods of control or diagnosing
    • F01N2900/0402—Methods of control or diagnosing using adaptive learning
    • 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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/04—Methods of control or diagnosing
    • F01N2900/0408—Methods of control or diagnosing using a feed-back loop
    • 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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/04—Methods of control or diagnosing
    • F01N2900/0412—Methods of control or diagnosing using pre-calibrated maps, tables or charts
    • 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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/14—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust gas
    • 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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/18—Parameters used for exhaust control or diagnosing said parameters being related to the system for adding a substance into the exhaust
    • F01N2900/1806—Properties of reducing agent or dosing system
    • 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)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
AT09171096T 2008-10-24 2009-09-23 Betriebsverfahren für ein abgasbehandlungssystem ATE543984T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10817208P 2008-10-24 2008-10-24
US12/327,958 US20100101215A1 (en) 2008-10-24 2008-12-04 Exhaust gas treatment system and methods for operating the same

Publications (1)

Publication Number Publication Date
ATE543984T1 true ATE543984T1 (de) 2012-02-15

Family

ID=41559520

Family Applications (1)

Application Number Title Priority Date Filing Date
AT09171096T ATE543984T1 (de) 2008-10-24 2009-09-23 Betriebsverfahren für ein abgasbehandlungssystem

Country Status (3)

Country Link
US (1) US20100101215A1 (de)
EP (2) EP2187009B1 (de)
AT (1) ATE543984T1 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100999614B1 (ko) * 2007-12-14 2010-12-08 기아자동차주식회사 배기 가스 내의 질소산화물 저감 장치
JP2010144631A (ja) * 2008-12-19 2010-07-01 Ud Trucks Corp 排気浄化装置
US9631776B2 (en) * 2010-02-09 2017-04-25 General Electric Company Model-based controls for selective catalyst reduction systems
US9476338B2 (en) * 2010-05-03 2016-10-25 Cummins Inc. Ammonia sensor control, with NOx feedback, of an SCR aftertreatment system
US8429898B2 (en) * 2010-06-18 2013-04-30 GM Global Technology Operations LLC Selective catalytic reduction (SCR) catalyst depletion control systems and methods
US8454916B2 (en) 2010-06-18 2013-06-04 GM Global Technology Operations LLC Selective catalytic reduction (SCR) catalyst depletion control systems and methods
US9097192B2 (en) 2011-03-15 2015-08-04 Delphi Technologies, Inc. Method and apparatus for identifying gas sensor faults
US9303544B2 (en) 2012-01-18 2016-04-05 GM Global Technology Operations LLC Method of detecting a thermal event in an exhaust system based on temperature gradients and exhaust system configured for same
US9222389B2 (en) * 2012-02-02 2015-12-29 Cummins Inc. Systems and methods for controlling reductant delivery to an exhaust stream
FR2987397B1 (fr) * 2012-02-29 2014-04-04 Continental Automotive France Calcul du taux de no2 a l'entree d'un dispositif de reduction catalytique selective et dispositif pour la mise en œuvre de ce procede
DE102012105952A1 (de) * 2012-07-04 2014-01-09 Emitec Gesellschaft Für Emissionstechnologie Mbh Verfahren zur Zugabe eines Reduktionsmittels in eine Abgasbehandlungsvorrichtung
EP2684597A1 (de) 2012-07-14 2014-01-15 Deutz AG Verfahren zur Verminderung von Stickoxiden aus Dieselmotorenabgasen
WO2014070262A1 (en) * 2012-11-05 2014-05-08 International Engine Intellectual Property Company, Llc Conversion of nox in exhaust gas
US9109480B2 (en) * 2012-11-29 2015-08-18 GM Global Technology Operations LLC Method and system for initiating an engine after-run state and controlling a nitrogen oxide sensor self-diagnostic tool
US10001042B2 (en) * 2014-03-03 2018-06-19 Cummins Inc. Systems, methods, and apparatus for reductant dosing in an SCR aftertreatment system
US9606092B2 (en) 2014-08-07 2017-03-28 Cummins Emission Solutions, Inc. NOx sensor diagnosis system and method
GB2554268B (en) * 2015-05-01 2020-11-04 Cummins Emission Solutions Inc Automatic performance tuning for diesel exhaust fluid dosing unit
CN104912637B (zh) * 2015-06-03 2017-11-17 江苏大学 一种避免NH3交叉感应对NOx传感器产生干扰的系统及方法
US20170167341A1 (en) * 2015-12-10 2017-06-15 General Electric Company System and method for emission control in power plants
US10087806B2 (en) * 2016-02-18 2018-10-02 Cummins Emission Solutions Inc. Self-tuning circuit for controlling input pressure values for an aftertreatment system
US10871097B2 (en) 2016-06-28 2020-12-22 Cummins Emission Solutions Inc. NH3 slip detection using NOx sensor
US10323559B1 (en) * 2017-12-12 2019-06-18 GM Global Technology Operations LLC Methods for controlling selective catalytic reduction systems
DE102018119599A1 (de) * 2018-08-13 2020-02-13 Volkswagen Aktiengesellschaft Abgasnachbehandlungssystem und Verfahren zur Abgasnachbehandlung eines Verbrennungsmotors
DE102018007421B4 (de) 2018-09-20 2021-07-01 Deutz Ag Dynamische Ammoniak-Überschuss Detektion mittels eines Software-Algorithmus zur Eliminierung des Ammoniak-Sensors
SE1950598A1 (en) * 2019-05-20 2020-09-29 Scania Cv Ab Exhaust gas aftertreatment system
CN111794837B (zh) * 2020-07-06 2021-05-14 无锡沃尔福汽车技术有限公司 一种尿素喷射控制系统
CN115126579B (zh) * 2022-06-29 2024-01-02 潍柴动力股份有限公司 一种尿素喷射量控制方法及车辆

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6295809B1 (en) * 1999-07-12 2001-10-02 Ford Global Technologies, Inc. Emission control system with a catalyst
US6427439B1 (en) * 2000-07-13 2002-08-06 Ford Global Technologies, Inc. Method and system for NOx reduction
US6576587B2 (en) * 2001-03-13 2003-06-10 Delphi Technologies, Inc. High surface area lean NOx catalyst
US6981368B2 (en) * 2002-11-21 2006-01-03 Ford Global Technologies, Llc Exhaust gas aftertreatment systems
US6904751B2 (en) * 2003-06-04 2005-06-14 Ford Global Technologies, Llc Engine control and catalyst monitoring with downstream exhaust gas sensors
US7240484B2 (en) * 2003-12-29 2007-07-10 Delphi Technologies, Inc. Exhaust treatment systems and methods for using the same
SE526404C2 (sv) * 2004-01-20 2005-09-06 Scania Cv Abp Förfarande och anordning för styrning av insprutning av reduktionsmedel
DE102004031624A1 (de) * 2004-06-30 2006-02-02 Robert Bosch Gmbh Verfahren zum Betreiben eines zur Reinigung des Abgases einer Brennkraftmaschine verwendeten Katalysators und Vorrichtung zur Durchführung des Verfahrens
EP1672192B1 (de) * 2004-12-18 2007-08-08 Haldor Topsoe A/S Verfahren zur Regelung der Zugabe eines Reduktionsmittels in das Abgas einer Brennkraftmaschine
DE102005012568A1 (de) * 2005-03-18 2006-09-21 Daimlerchrysler Ag Vorrichtung zur Entfernung von Stickoxiden aus Brennkraftmaschinenabgas und Verfahren zur Dosierung eines Zuschlagstoffs für Brennkraftmaschinenabgas
JP4542455B2 (ja) * 2005-03-28 2010-09-15 三菱ふそうトラック・バス株式会社 内燃機関の排気浄化装置
US20070044456A1 (en) * 2005-09-01 2007-03-01 Devesh Upadhyay Exhaust gas aftertreatment systems
US20070056268A1 (en) * 2005-09-10 2007-03-15 Eaton Corporation LNT-SCR packaging
US7472545B2 (en) * 2006-05-25 2009-01-06 Delphi Technologies, Inc. Engine exhaust emission control system providing on-board ammonia generation
US7886527B2 (en) * 2007-04-10 2011-02-15 Gm Global Technology Operations, Inc. Reductant injection control strategy
WO2009128169A1 (ja) * 2008-04-18 2009-10-22 本田技研工業株式会社 内燃機関の排気浄化装置

Also Published As

Publication number Publication date
EP2187009B1 (de) 2012-02-01
EP2317090A1 (de) 2011-05-04
EP2187009A2 (de) 2010-05-19
US20100101215A1 (en) 2010-04-29
EP2317090B1 (de) 2013-05-22
EP2187009A3 (de) 2010-08-18

Similar Documents

Publication Publication Date Title
EP2187009A3 (de) Betriebsverfahren für ein Abgasbehandlungssystem
US8464517B2 (en) Method of controlling NOx purification system, and NOx purification system
US9238984B2 (en) Exhaust emission prediction system and method
CN102436270B (zh) 一种烟气脱硝装置及其使用的控制方法
GB2461672A (en) Exhaust system utilizing a low-temperature oxidation catalyst
RU2014145035A (ru) Способ для двигателя (варианты) и система двигателя
RU2011122981A (ru) Устройство очистки отработавшего газа
CN102971502B (zh) 用于内燃发动机的排气净化设备和还原剂分配方法
WO2008126648A1 (ja) ＮＯｘ浄化システム及びＮＯｘ浄化システムの制御方法
WO2011151006A8 (de) Verfahren und vorrichtung zur beseitigung von nox und n2o
WO2009001623A1 (ja) ＮＯｘ浄化システム及びＮＯｘ浄化システムの制御方法
ATE474131T1 (de) Alterungsbestimmungsvorrichtung und verfahren für abgasreinigungsvorrichtung
WO2009140245A3 (en) Selective catalytic reduction using controlled catalytic deactivation
JP2015081602A5 (de)
ATE500405T1 (de) Vorrichtung und verfahren zur steuerung eines abgasnachbehandlungssystems
WO2012047484A3 (en) Exhaust system having cross-sensitive sensor
US20150093311A1 (en) Exhaust aftertreatment system and method pertaining to such a system
RU2014113946A (ru) Способ и система для обнаружения проскока аммиака в системе очистки выхлопных газов
US10071344B2 (en) Reductant dosing control using prediction of exhaust species in selective catalytic reduction
JP6175292B2 (ja) ＮＯｘセンサーの故障判定装置及び故障判定方法
US9562452B2 (en) System and method for controlling regeneration within an after-treatment component of a compression-ignition engine
ATE556761T1 (de) Abgasreinigungsvorrichtung für einen verbrennungsmotor
JPWO2011142028A1 (ja) 内燃機関の排気浄化装置
ATE551510T1 (de) Abgasreinigungsvorrichtung
JP2014206150A (ja) 排ガス浄化制御装置及びプログラム