FR2986038B1 - Procede de detection du bouchage d'une soupape de dosage d'un systeme de catalyseur de reduction catalytique selective - Google Patents

Procede de detection du bouchage d'une soupape de dosage d'un systeme de catalyseur de reduction catalytique selective

Info

Publication number
FR2986038B1
FR2986038B1 FR1350511A FR1350511A FR2986038B1 FR 2986038 B1 FR2986038 B1 FR 2986038B1 FR 1350511 A FR1350511 A FR 1350511A FR 1350511 A FR1350511 A FR 1350511A FR 2986038 B1 FR2986038 B1 FR 2986038B1
Authority
FR
France
Prior art keywords
belling
detecting
catalytic reduction
dosing valve
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
FR1350511A
Other languages
English (en)
Other versions
FR2986038A1 (fr
Inventor
Michael Offenhuber
Stefan Lorengel
Godehard Nentwig
Sebastian Kanne
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 FR2986038A1 publication Critical patent/FR2986038A1/fr
Application granted granted Critical
Publication of FR2986038B1 publication Critical patent/FR2986038B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • 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
    • F01N3/2066—Selective catalytic reduction [SCR]
    • F01N3/208—Control of selective catalytic reduction [SCR], e.g. 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
    • 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
    • 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
    • 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
    • F01N2610/148—Arrangement of sensors
    • 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
    • F01N2900/1808—Pressure
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/0318—Processes

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
FR1350511A 2012-01-23 2013-01-21 Procede de detection du bouchage d'une soupape de dosage d'un systeme de catalyseur de reduction catalytique selective Active FR2986038B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012200917.5A DE102012200917B4 (de) 2012-01-23 2012-01-23 Verfahren zum Erkennen einer Verstopfung eines Dosierventils eines SCR-Katalysatorsystems

Publications (2)

Publication Number Publication Date
FR2986038A1 FR2986038A1 (fr) 2013-07-26
FR2986038B1 true FR2986038B1 (fr) 2016-08-12

Family

ID=48742393

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1350511A Active FR2986038B1 (fr) 2012-01-23 2013-01-21 Procede de detection du bouchage d'une soupape de dosage d'un systeme de catalyseur de reduction catalytique selective

Country Status (3)

Country Link
US (1) US9062807B2 (fr)
DE (1) DE102012200917B4 (fr)
FR (1) FR2986038B1 (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9839877B2 (en) * 2013-10-10 2017-12-12 Cummins Emission Solutions Inc. Reagent doser diagnostic system and method
DE102014218088A1 (de) 2014-09-08 2016-03-10 Robert Bosch Gmbh Verfahren zum Betreiben eines hydraulischen Förder- und Dosiersystems für ein flüssiges Reaktionsmittel
DE102014222739B4 (de) 2014-11-06 2016-09-15 Robert Bosch Gmbh Verfahren zur Dosiermengen-Diagnose eines Reagenzmittel-Dosiersystems, Vorrichtung zur Durchführung des Verfahrens, Steuergeräteprogramm und Steuergeräteprogrammprodukt
DE102014225241A1 (de) 2014-12-09 2016-06-09 Robert Bosch Gmbh Verfahren zum Betreiben eines Reagenzmittel-Dosiersystems, Vorrichtung zur Durchführung des Verfahrens, Steuergeräteprogramm und Steuergeräteprogrammprodukt
DE102014226405A1 (de) 2014-12-18 2016-06-23 Robert Bosch Gmbh Verfahren zum Erkennen einer zumindest teilweisen Blockierung eines Dosierventils einerReagenzmittel-Dosiervorrichtung, Vorrichtung zur Durchführung des Verfahrens, Computerprogrammsowie Computerprogrammprodukt
DE102014226404A1 (de) 2014-12-18 2016-06-23 Robert Bosch Gmbh Verfahren zum Entfernen einer zumindest teilweisen Blockierung eines Dosierventils einerReagenzmittel-Dosiervorrichtung aufgrund einer Kristallbildung, Vorrichtung zur Durchführung desVerfahrens, Computerprogramm sowie Computerprogrammprodukt
EP3156620B1 (fr) * 2015-10-13 2018-09-12 Plastic Omnium Advanced Innovation and Research Procédé de détermination de la concentration d'un agent chimique dans une solution basé sur une vélocité d'une onde de pression et système associé
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
US10066528B2 (en) * 2016-06-10 2018-09-04 Robert Bosch Gmbh DNOx dosing tester and method
DE102017210250A1 (de) * 2016-06-27 2017-12-28 Robert Bosch Gmbh Verfahren zur Erkennung einer Fehldosierung
DE102016215380A1 (de) * 2016-08-17 2018-02-22 Robert Bosch Gmbh Verfahren zur Erkennung einer blockierten Druckleitung
DE102016219536B4 (de) * 2016-10-07 2018-04-19 Continental Automotive Gmbh Verfahren und Vorrichtung zur Überwachung eines Drucksensors in einem hydraulischen System eines Kraftfahrzeugs
EP3333388A1 (fr) * 2016-12-12 2018-06-13 Perkins Engines Company Limited Procédé et dispositif de surveillance d'un système d'injection pour un système scr
DE102017200555A1 (de) 2017-01-16 2018-07-19 Robert Bosch Gmbh Verfahren zum Verhindern einer Kristallisation eines Reagenzmittels in einem Dosierventil, Vorrichtung zur Durchführung des Verfahrens, Computerprogramm sowie Computerprogrammprodukt
DE102017205298A1 (de) * 2017-03-29 2018-10-04 Robert Bosch Gmbh Verfahren zur Bestimmung von Mengenabweichungen bei einem fluidischen Dosiersystem
SE541215C2 (en) 2017-09-22 2019-05-07 Scania Cv Ab A system and a method for diagnosing functionality of dosing units of a fluid dosing system
EP4107377B1 (fr) 2020-02-18 2023-12-20 Volvo Truck Corporation Procédé de détection automatique d'obstruction d'un tuyau de capteur s'étendant entre un capteur de pression et un collecteur d'échappement d'un moteur à combustion interne
FR3119197B1 (fr) * 2021-01-22 2022-12-16 Vitesco Technologies Procede de mesure d’injection de fluide

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4906525B2 (ja) * 2007-01-26 2012-03-28 ボッシュ株式会社 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
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
DE102008005989B4 (de) * 2008-01-24 2017-05-18 Robert Bosch Gmbh Verfahren zur Diagnose eines Dosierventils einer Abgasbehandlungsvorrichtung und Vorrichtung zur Durchführung des Verfahrens
JP4618350B2 (ja) * 2008-08-20 2011-01-26 トヨタ自動車株式会社 排気浄化機器の異常診断装置
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
SE534748C2 (sv) 2010-04-08 2011-12-06 Scania Cv Ab System innefattande pump, injektor och regulator, där styrsignal till pumpen baseras på beräknad slangstyvhet

Also Published As

Publication number Publication date
FR2986038A1 (fr) 2013-07-26
DE102012200917B4 (de) 2023-06-29
DE102012200917A1 (de) 2013-07-25
US20130186470A1 (en) 2013-07-25
US9062807B2 (en) 2015-06-23

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