FR3007796A1 - Procede de diagnostique d'un systeme de dosage et dispositif pour sa mise en oeuvre - Google Patents

Procede de diagnostique d'un systeme de dosage et dispositif pour sa mise en oeuvre Download PDF

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Publication number
FR3007796A1
FR3007796A1 FR1456036A FR1456036A FR3007796A1 FR 3007796 A1 FR3007796 A1 FR 3007796A1 FR 1456036 A FR1456036 A FR 1456036A FR 1456036 A FR1456036 A FR 1456036A FR 3007796 A1 FR3007796 A1 FR 3007796A1
Authority
FR
France
Prior art keywords
swu
swo
tolerance band
metering valve
current
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.)
Withdrawn
Application number
FR1456036A
Other languages
English (en)
French (fr)
Inventor
Marc Neufeld
Andreas Mendyk
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 FR3007796A1 publication Critical patent/FR3007796A1/fr
Withdrawn legal-status Critical Current

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
    • F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
    • H01F7/1844—Monitoring or fail-safe circuits
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
    • H01F7/1844—Monitoring or fail-safe circuits
    • H01F2007/1861—Monitoring or fail-safe circuits using derivative of measured variable
    • 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)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Magnetically Actuated Valves (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
FR1456036A 2013-06-28 2014-06-27 Procede de diagnostique d'un systeme de dosage et dispositif pour sa mise en oeuvre Withdrawn FR3007796A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013212729.4A DE102013212729B4 (de) 2013-06-28 2013-06-28 Verfahren zur Diagnose eines Dosier-Systems und Vorrichtung zur Durchführung des Verfahrens sowie Steuergerät-Programm und Steuergerät-Programmprodukt

Publications (1)

Publication Number Publication Date
FR3007796A1 true FR3007796A1 (fr) 2015-01-02

Family

ID=52017397

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1456036A Withdrawn FR3007796A1 (fr) 2013-06-28 2014-06-27 Procede de diagnostique d'un systeme de dosage et dispositif pour sa mise en oeuvre

Country Status (2)

Country Link
DE (1) DE102013212729B4 (de)
FR (1) FR3007796A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016209832B4 (de) * 2016-06-03 2022-09-29 Bayerische Motoren Werke Aktiengesellschaft Verfahren und Steuereinheit zum Überprüfen eines Dosiersystems für einen bei niedrigen Umgebungstemperaturen erstarrenden Zusatzstoff insbesondere zum Abgas eines Verbrennungsmotors
JP6926852B2 (ja) 2017-09-05 2021-08-25 株式会社デンソー 電子制御装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10235433B4 (de) * 2002-04-25 2012-03-01 Zf Friedrichshafen Ag Verfahren zur Bestimmung einer Temperatur eines Fluids, insbesondere einer Getriebeöltemperatur
DE102006013293B4 (de) 2006-03-23 2016-08-18 Robert Bosch Gmbh Verfahren zur Diagnose einer Abgasnachbehandlungsvorrichtung und Vorrichtung zur Durchführung des Verfahrens
DE102008005988B4 (de) 2008-01-24 2017-05-11 Robert Bosch Gmbh Verfahren zur Diagnose einer Abgasnachbehandlungsvorrichtung und Vorrichtung zur Durchführung des Verfahrens
DE102008043469B4 (de) 2008-11-04 2019-01-17 Robert Bosch Gmbh Verfahren zur Prüfung der Funktionsfähigkeit eines Dosierventils eines NOx-Reduktionssystems einer Brennkraftmaschine
DE102010028891A1 (de) * 2010-05-11 2011-11-17 Robert Bosch Gmbh Verfahren zur Überwachung eines Dosierventils eines SCR-Katalysatorsystems

Also Published As

Publication number Publication date
DE102013212729A1 (de) 2014-12-31
DE102013212729B4 (de) 2023-02-16

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