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FR2962161B1 - Procede de gestion d'un systeme de dosage de l'agent reducteur d'un catalyseur rcs - Google Patents

Procede de gestion d'un systeme de dosage de l'agent reducteur d'un catalyseur rcs

Info

Publication number
FR2962161B1
FR2962161B1 FR1155871A FR1155871A FR2962161B1 FR 2962161 B1 FR2962161 B1 FR 2962161B1 FR 1155871 A FR1155871 A FR 1155871A FR 1155871 A FR1155871 A FR 1155871A FR 2962161 B1 FR2962161 B1 FR 2962161B1
Authority
FR
France
Prior art keywords
managing
reducing agent
dosing system
catalyst scr
scr
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
FR1155871A
Other languages
English (en)
Other versions
FR2962161A1 (fr
Inventor
Wolfgang Klenk
Godehard Nentwig
Andreas Wagner
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 FR2962161A1 publication Critical patent/FR2962161A1/fr
Application granted granted Critical
Publication of FR2962161B1 publication Critical patent/FR2962161B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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 ; 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
    • 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
    • F01N2900/0601—Parameters used for exhaust control or diagnosing being estimated
    • 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
    • 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
    • F01N2900/1812—Flow rate
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • 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)
FR1155871A 2010-07-02 2011-06-30 Procede de gestion d'un systeme de dosage de l'agent reducteur d'un catalyseur rcs Active FR2962161B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010030860A DE102010030860A1 (de) 2010-07-02 2010-07-02 Verfahren zum Betreiben eines Reduktionsmitteldosiersystems für einen SCR-Katalysator

Publications (2)

Publication Number Publication Date
FR2962161A1 FR2962161A1 (fr) 2012-01-06
FR2962161B1 true FR2962161B1 (fr) 2016-06-24

Family

ID=45346864

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1155871A Active FR2962161B1 (fr) 2010-07-02 2011-06-30 Procede de gestion d'un systeme de dosage de l'agent reducteur d'un catalyseur rcs

Country Status (3)

Country Link
CN (1) CN102312706B (fr)
DE (1) DE102010030860A1 (fr)
FR (1) FR2962161B1 (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011088707B4 (de) 2011-12-15 2024-12-05 Robert Bosch Gmbh Verfahren zur Bestimmung eines Drucks zwischen einer Hubkolbenpumpe und einem Dosierventil in einem SCR-Katalysatorsystem
CN103207626B (zh) * 2012-01-16 2015-10-07 中国科学院空间科学与应用研究中心 一种用于空间微重力燃烧实验的气体流量控制系统及方法
DE102012204402B4 (de) 2012-03-20 2020-01-02 Robert Bosch Gmbh Elektronisches Schaltungsmodul zur Steuerung einer Hubmagnetmembranpumpe und Verfahren zum Betreiben der Hubmagnetmembranpumpe
DE102012211875A1 (de) * 2012-07-06 2014-01-09 Robert Bosch Gmbh Fördermodul für einen Betriebs-/Hilfsstoff zur Nachbehandlung von Abgas
DE102012212570A1 (de) * 2012-07-18 2014-01-23 Robert Bosch Gmbh Verfahren zum Betreiben eines Förder- und Dosiersystems
DE102012212565A1 (de) * 2012-07-18 2014-01-23 Robert Bosch Gmbh Verfahren zum Betreiben eines Förder- und Dosiersystems
DE102012107430A1 (de) 2012-08-14 2014-02-20 Emitec Gesellschaft Für Emissionstechnologie Mbh Verfahren zum Betrieb einer Dosiervorrichtung
DE102013207345B4 (de) * 2013-04-23 2021-04-29 Robert Bosch Gmbh Verfahren zum Betreiben einer Hubkolbenpumpe
DE102013211274B4 (de) 2013-06-17 2024-05-02 Robert Bosch Gmbh Verfahren zum Ermitteln des Systemdrucks im Fördermodul eines SCR-Katalysatorsystems
DE102014200805A1 (de) 2014-01-17 2015-07-23 Robert Bosch Gmbh Verfahren zur volumetrischen Adaption von Fertigungstoleranzen bei einem SCR-Katalysatorsystem
US10711676B2 (en) * 2016-01-22 2020-07-14 Cummins, Inc. System and method for determining reductant delivery performance
DE102016215718A1 (de) * 2016-08-22 2018-02-22 Robert Bosch Gmbh Verfahren und Vorrichtung zur Ablaufsteuerung eines Abgasreinigungssystems
DE102017204973B4 (de) * 2017-03-24 2024-10-17 Robert Bosch Gmbh Verfahren zur Steuerung eines SCR-Systems mit zwei Dosierventilen
DE102017205777A1 (de) * 2017-04-05 2018-10-11 Robert Bosch Gmbh Verfahren zur Überwachung des Volumenstroms eines Dosierventils eines fluidischen Dosiersystems einer Brennkraftmaschine insbesondere eines Kraftfahrzeugs
CN110388248B (zh) * 2018-04-20 2022-10-11 罗伯特·博世有限公司 用于诊断scr系统的方法
DE102018213382A1 (de) * 2018-08-09 2020-02-13 Robert Bosch Gmbh Verfahren zum Betreiben eines Fördermoduls eines SCR-Katalysatorsystems
DE102018222731A1 (de) * 2018-12-21 2020-06-25 Robert Bosch Gmbh Verfahren zum Betreiben einer Pumpe und System mit einer solchen Pumpe
CN110284953B (zh) * 2019-06-28 2020-10-30 潍柴动力股份有限公司 尿素泵老化程度评估方法和装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0007583D0 (en) * 2000-03-30 2000-05-17 Lucas Industries Ltd Method and apparatus for determining the extent of wear of a fuel pump forming part of a fuelling system
EP1692328A1 (fr) * 2003-12-12 2006-08-23 Saurer GmbH & Co. KG Dispositif de dosage permettant l'alimentation haute pression en additif liquide
DE102004050023A1 (de) * 2004-10-13 2006-04-27 L'orange Gmbh Einrichtung zur dosierten Einspritzung eines Reduktionsmittels in den Abgastrakt einer Brennkraftmaschine
DE102008002467A1 (de) * 2008-06-17 2009-12-24 Robert Bosch Gmbh Dosiersystem für ein flüssiges Medium, insbesondere Harnstoff-Wasser-Lösung

Also Published As

Publication number Publication date
CN102312706A (zh) 2012-01-11
FR2962161A1 (fr) 2012-01-06
CN102312706B (zh) 2015-12-16
DE102010030860A1 (de) 2012-01-05

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