FR3005105B1 - Procede de diagnostic d'une soupape de dosage et dispositif pour sa mise en oeuvre - Google Patents

Procede de diagnostic d'une soupape de dosage et dispositif pour sa mise en oeuvre Download PDF

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Publication number
FR3005105B1
FR3005105B1 FR1453732A FR1453732A FR3005105B1 FR 3005105 B1 FR3005105 B1 FR 3005105B1 FR 1453732 A FR1453732 A FR 1453732A FR 1453732 A FR1453732 A FR 1453732A FR 3005105 B1 FR3005105 B1 FR 3005105B1
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FR
France
Prior art keywords
valve
diagnosing
implementing
dosing
dosing valve
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
FR1453732A
Other languages
English (en)
Other versions
FR3005105A1 (fr
Inventor
Tobias Pfister
Wilhelm Dueck
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 FR3005105A1 publication Critical patent/FR3005105A1/fr
Application granted granted Critical
Publication of FR3005105B1 publication Critical patent/FR3005105B1/fr
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
    • F01N3/2066—Selective catalytic reduction [SCR]
    • 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
    • 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
    • F01N2610/1433—Pumps
    • F01N2610/144—Control thereof
    • 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
    • F01N2610/1473—Overflow or return means for the substances, e.g. conduits or valves for the return path
    • 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
    • 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
    • F01N2900/1814—Tank level
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
FR1453732A 2013-04-30 2014-04-25 Procede de diagnostic d'une soupape de dosage et dispositif pour sa mise en oeuvre Active FR3005105B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013207867.6A DE102013207867B4 (de) 2013-04-30 2013-04-30 Verfahren zur Diagnose eines Dosierventils und Vorrichtung zur Durchführung des Verfahrens
DE102013207867.6 2013-04-30

Publications (2)

Publication Number Publication Date
FR3005105A1 FR3005105A1 (fr) 2014-10-31
FR3005105B1 true FR3005105B1 (fr) 2018-10-05

Family

ID=51685066

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1453732A Active FR3005105B1 (fr) 2013-04-30 2014-04-25 Procede de diagnostic d'une soupape de dosage et dispositif pour sa mise en oeuvre

Country Status (2)

Country Link
DE (1) DE102013207867B4 (fr)
FR (1) FR3005105B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE102017205298A1 (de) 2017-03-29 2018-10-04 Robert Bosch Gmbh Verfahren zur Bestimmung von Mengenabweichungen bei einem fluidischen Dosiersystem

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10043798A1 (de) 2000-09-06 2002-03-14 Daimler Chrysler Ag Verfahren zum Betrieb eines Katalysators
DE10139142A1 (de) 2001-08-09 2003-02-20 Bosch Gmbh Robert Abgasbehandlungseinheit und Messvorrichtung zur Ermittlung einer Konzentration einer Harnstoff-Wasser-Lösung
DE10360891A1 (de) 2003-12-19 2005-07-21 Robert Bosch Gmbh Verfahren zum Betreiben eines Dosierventils und Vorrichtung zur Durchführung des Verfahrens
DE102006025257B4 (de) 2006-05-31 2016-09-01 Volkswagen Ag Verfahren zum Betreiben eines SCR-Katalysators sowie Programmalgorithmus zur Ausführung des Verfahrens
JP4840703B2 (ja) * 2007-11-16 2011-12-21 トヨタ自動車株式会社 排気浄化システムの異常診断装置
DE102008005989B4 (de) 2008-01-24 2017-05-18 Robert Bosch Gmbh Verfahren zur Diagnose eines Dosierventils einer Abgasbehandlungsvorrichtung und Vorrichtung zur Durchführung des Verfahrens
DE102009000097A1 (de) 2009-01-09 2010-07-15 Robert Bosch Gmbh Fördereinrichtung für ein SCR-System
US8893475B2 (en) * 2010-03-11 2014-11-25 Cummins Inc. Control system for doser compensation in an SCR system
FR2961854A1 (fr) * 2010-06-23 2011-12-30 Inergy Automotive Systems Res Methode pour controler un systeme scr
DE102011076955B4 (de) 2011-06-06 2013-05-23 Robert Bosch Gmbh Verfahren zur Diagnose eines Dosiersystems und Vorrichtung zur Durchführung des Verfahrens
DE102012206430B4 (de) * 2012-04-19 2015-10-08 Robert Bosch Gmbh Verfahren zur Diagnose eines Dosierventils und Vorrichtung zur Durchführung des Verfahrens

Also Published As

Publication number Publication date
FR3005105A1 (fr) 2014-10-31
DE102013207867B4 (de) 2016-01-21
DE102013207867A1 (de) 2014-10-30

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