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FR2986563B1 - Procede de surveillance d'un catalyseur scr - Google Patents

Procede de surveillance d'un catalyseur scr

Info

Publication number
FR2986563B1
FR2986563B1 FR1351009A FR1351009A FR2986563B1 FR 2986563 B1 FR2986563 B1 FR 2986563B1 FR 1351009 A FR1351009 A FR 1351009A FR 1351009 A FR1351009 A FR 1351009A FR 2986563 B1 FR2986563 B1 FR 2986563B1
Authority
FR
France
Prior art keywords
monitoring
scr catalyst
scr
catalyst
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
FR1351009A
Other languages
English (en)
Other versions
FR2986563A1 (fr
Inventor
Tobias Pfister
Arthur Bastoreala
Alexander Franz
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of FR2986563A1 publication Critical patent/FR2986563A1/fr
Application granted granted Critical
Publication of FR2986563B1 publication Critical patent/FR2986563B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • B01D53/9495—Controlling the catalytic process
    • 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
    • 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
    • F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
    • F01N2900/1616—NH3-slip from catalyst
    • 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
    • F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
    • F01N2900/1621—Catalyst conversion efficiency
    • 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)
  • 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)
FR1351009A 2012-02-07 2013-02-06 Procede de surveillance d'un catalyseur scr Active FR2986563B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012201749.6A DE102012201749B4 (de) 2012-02-07 2012-02-07 Verfahren zur Überwachung eines SCR-Katalysators

Publications (2)

Publication Number Publication Date
FR2986563A1 FR2986563A1 (fr) 2013-08-09
FR2986563B1 true FR2986563B1 (fr) 2014-03-21

Family

ID=48652222

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1351009A Active FR2986563B1 (fr) 2012-02-07 2013-02-06 Procede de surveillance d'un catalyseur scr

Country Status (3)

Country Link
US (1) US9144772B2 (fr)
DE (1) DE102012201749B4 (fr)
FR (1) FR2986563B1 (fr)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9492788B2 (en) * 2012-03-29 2016-11-15 Volvo Construction Equipment Ab Method for diagnosing a selective catalytic reduction catalyst
US9845716B2 (en) 2014-02-13 2017-12-19 Cummins Inc. Techniques for control of an SCR aftertreatment system
DE102015207665A1 (de) 2015-04-27 2016-10-27 Robert Bosch Gmbh Verfahren zur Qualitätsüberwachung der Reduktionsmittellösung für einen SCR-Katalysator
DE102015207670A1 (de) 2015-04-27 2016-10-27 Robert Bosch Gmbh Verfahren zur Überwachung eines SCR-Katalysators
DE102015221945A1 (de) 2015-11-09 2017-05-11 Robert Bosch Gmbh Verfahren zur Diagnose eines SCR-Katalysatorsystems einer Brennkraftmaschine
DE102015222209A1 (de) 2015-11-11 2017-05-11 Robert Bosch Gmbh Verfahren zur Plausibilisierung eines NOx-Sensors in einem SCR-Katalysatorsystem
EP3546712A4 (fr) * 2016-11-24 2019-11-20 Toyota Jidosha Kabushiki Kaisha Système de diagnostic d'anomalie de dispositif de purification de gaz d'échappement
DE102017100151A1 (de) * 2017-01-05 2018-07-05 Robert Bosch Gmbh Verfahren zur Überwachung eines SCR-Katalysators
DE102018215627A1 (de) * 2017-11-29 2019-05-29 Continental Automotive Gmbh Verfahren zum Betreiben einer Abgasnachbehandlungsanlage einer Brennkraftmaschine und Abgasnachbehandlungsanlage
JP6743804B2 (ja) * 2017-12-26 2020-08-19 トヨタ自動車株式会社 排気浄化装置の異常診断システム
DE102018202117A1 (de) * 2018-02-12 2019-08-14 Robert Bosch Gmbh Verfahren zum Detektieren eines Emulators für ein SCR-Katalysatorsystem
AT521669B1 (de) * 2018-08-23 2022-08-15 Avl List Gmbh Verfahren und Verbrennungskraftmaschine zur Effizienzverbesserung eines SCR-Systems
DE102019107254A1 (de) * 2019-03-21 2020-09-24 Volkswagen Aktiengesellschaft Verfahren zur Bestimmung der Ammoniak-Speicherfähigkeit von SCR-Katalysatoren in einem Abgasnachbehandlungssystem sowie Abgasnachbehandlungssystem
DE102020205025A1 (de) * 2019-05-09 2020-11-12 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren zur Überwachung eines SCR-Katalysators
DE102019207757B4 (de) * 2019-05-27 2021-10-14 Vitesco Technologies GmbH Verfahren zum Betreiben einer Abgasnachbehandlungsanlage einer Brennkraftmaschine und Abgasnachbehandlungsanlage
DE102019122663A1 (de) 2019-08-22 2019-10-17 FEV Group GmbH Verfahren zur Überwachung eines SCR-Katalysators
US11813926B2 (en) 2020-08-20 2023-11-14 Denso International America, Inc. Binding agent and olfaction sensor
US11881093B2 (en) 2020-08-20 2024-01-23 Denso International America, Inc. Systems and methods for identifying smoking in vehicles
US12017506B2 (en) 2020-08-20 2024-06-25 Denso International America, Inc. Passenger cabin air control systems and methods
US11760169B2 (en) 2020-08-20 2023-09-19 Denso International America, Inc. Particulate control systems and methods for olfaction sensors
US11932080B2 (en) 2020-08-20 2024-03-19 Denso International America, Inc. Diagnostic and recirculation control systems and methods
US11636870B2 (en) 2020-08-20 2023-04-25 Denso International America, Inc. Smoking cessation systems and methods
US12251991B2 (en) 2020-08-20 2025-03-18 Denso International America, Inc. Humidity control for olfaction sensors
US11760170B2 (en) 2020-08-20 2023-09-19 Denso International America, Inc. Olfaction sensor preservation systems and methods
US11828210B2 (en) 2020-08-20 2023-11-28 Denso International America, Inc. Diagnostic systems and methods of vehicles using olfaction

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005062120B4 (de) * 2005-12-23 2016-06-09 Robert Bosch Gmbh Verfahren und Vorrichtung zur Überwachung eines Abgasnachbehandlungssystems
DE102007040439A1 (de) 2007-08-28 2009-03-05 Daimler Ag Betriebs- und Diagnoseverfahren für ein SCR-Abgasnachbehandlungssystem
US8141340B2 (en) * 2008-04-30 2012-03-27 Cummins Ip, Inc Apparatus, system, and method for determining the degradation of an SCR catalyst
DE102008036884A1 (de) * 2008-08-07 2010-02-11 Daimler Ag Verfahren zum Betreiben einer Abgasreinigungsanlage mit einem SCR-Katalysator
US8893476B2 (en) * 2008-12-12 2014-11-25 Volvo Lastvagnar Ab SCR closed loop control system
JP4875744B2 (ja) 2009-12-09 2012-02-15 本田技研工業株式会社 排気浄化システムの触媒劣化判定装置
CN102792140B (zh) * 2009-12-16 2016-01-20 康明斯过滤Ip公司 诊断NOx传感器的装置和方法
BR112012014614B1 (pt) * 2009-12-18 2020-12-08 Volvo Lastvagnar Ab método para controlar um nível de enchimento de um nível de tampão de redutor
US8726723B2 (en) * 2010-02-23 2014-05-20 Cummins Emission Solutions Detection of aftertreatment catalyst degradation
DE102010029740B4 (de) 2010-06-07 2022-05-12 Robert Bosch Gmbh Verfahren zur Überwachung eines SCR-Katalysators
US8621854B2 (en) * 2010-06-29 2014-01-07 GM Global Technology Operations LLC System and method for determining an age of and controlling a selective catalytic reduction catalyst
DE102010060099A1 (de) * 2010-10-21 2012-04-26 Ford Global Technologies, Llc. Verfahren zum Anpassen eines SCR Katalysators in einem Abgassystem eines Kraftfahrzeugs
WO2012151442A1 (fr) * 2011-05-03 2012-11-08 Cummins Inc. Techniques de commande destinées à un système de post-traitement par réduction catalytique sélective

Also Published As

Publication number Publication date
US20130202506A1 (en) 2013-08-08
US9144772B2 (en) 2015-09-29
DE102012201749A1 (de) 2013-08-08
DE102012201749B4 (de) 2024-02-15
FR2986563A1 (fr) 2013-08-09

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