FR2938004B1 - Procede de controle du fonctionnement d'une pompe d'agent reducteur d'un systeme reducteur d'oxydes d'azote d'un moteur a combustion - Google Patents

Procede de controle du fonctionnement d'une pompe d'agent reducteur d'un systeme reducteur d'oxydes d'azote d'un moteur a combustion

Info

Publication number
FR2938004B1
FR2938004B1 FR0957604A FR0957604A FR2938004B1 FR 2938004 B1 FR2938004 B1 FR 2938004B1 FR 0957604 A FR0957604 A FR 0957604A FR 0957604 A FR0957604 A FR 0957604A FR 2938004 B1 FR2938004 B1 FR 2938004B1
Authority
FR
France
Prior art keywords
controlling
combustion engine
nitrogen oxide
agent pump
reducing agent
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
FR0957604A
Other languages
English (en)
Other versions
FR2938004A1 (fr
Inventor
Andreas Feldges
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 FR2938004A1 publication Critical patent/FR2938004A1/fr
Application granted granted Critical
Publication of FR2938004B1 publication Critical patent/FR2938004B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B51/00—Testing machines, pumps, or pumping installations
    • 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
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • Exhaust Gas After Treatment (AREA)
FR0957604A 2008-11-03 2009-10-29 Procede de controle du fonctionnement d'une pompe d'agent reducteur d'un systeme reducteur d'oxydes d'azote d'un moteur a combustion Active FR2938004B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008043405.1A DE102008043405B4 (de) 2008-11-03 2008-11-03 Verfahren zur Prüfung der Funktionsfähigkeit einer Pumpe

Publications (2)

Publication Number Publication Date
FR2938004A1 FR2938004A1 (fr) 2010-05-07
FR2938004B1 true FR2938004B1 (fr) 2015-12-04

Family

ID=42062836

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0957604A Active FR2938004B1 (fr) 2008-11-03 2009-10-29 Procede de controle du fonctionnement d'une pompe d'agent reducteur d'un systeme reducteur d'oxydes d'azote d'un moteur a combustion

Country Status (3)

Country Link
US (1) US8359914B2 (fr)
DE (1) DE102008043405B4 (fr)
FR (1) FR2938004B1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110002791A1 (en) * 2009-04-07 2011-01-06 Itt Manufacturing Enterprises, Inc. Pump System for Removing Water from Pool Covers and Sumps
JP5671840B2 (ja) * 2010-05-17 2015-02-18 いすゞ自動車株式会社 Ｓｃｒ解凍制御システム
CN101968051B (zh) 2010-10-14 2012-05-30 中国石油集团渤海石油装备制造有限公司 液氮泵设备加载测试与试验装置及其测试与试验方法
DE102016210619A1 (de) 2016-06-15 2017-12-21 Robert Bosch Gmbh Verfahren zur Diagnose eines Reagenzmittel-Dosiersystems, Vorrichtung zur Durchführung des Verfahrens, Computer-Programm sowie Computer-Programmprodukt
CN110118115B (zh) * 2019-05-28 2024-04-05 苏州卡布斯精工科技有限公司 一种尿素泵检测修复装置及检测修复方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6063350A (en) * 1997-04-02 2000-05-16 Clean Diesel Technologies, Inc. Reducing nox emissions from an engine by temperature-controlled urea injection for selective catalytic reduction
EP2426328B1 (fr) * 2003-09-19 2013-04-10 Nissan Diesel Motor Co., Ltd. Dispositif de purification de gaz d'échappement de moteur
US7776265B2 (en) * 2004-03-18 2010-08-17 Cummins Filtration Ip, Inc. System for diagnosing reagent solution quality
US20060013704A1 (en) * 2004-06-30 2006-01-19 Teruya Sawada Liquid aeration delivery apparatus
JP3686670B1 (ja) * 2004-10-29 2005-08-24 日産ディーゼル工業株式会社 排気浄化装置
DE102004061259B4 (de) 2004-12-20 2016-12-15 Robert Bosch Gmbh Verfahren und Vorrichtung zur Auftauerkennung in einer Reagenzmitteldosiereinrichtung eines SCR-Katalysators insbesondere einer Brennkraftmaschine
JP4444165B2 (ja) * 2005-06-10 2010-03-31 日産ディーゼル工業株式会社 エンジンの排気浄化装置
DE102007047885A1 (de) * 2006-11-29 2008-06-05 Denso Corp., Kariya Reduktionsmitteldruckförderpumpe
FR2917791B1 (fr) * 2007-06-20 2009-08-21 Inergy Automotive Systems Res Procede pour le demarrage d'une pompe.
DE102008005988B4 (de) * 2008-01-24 2017-05-11 Robert Bosch Gmbh Verfahren zur Diagnose einer Abgasnachbehandlungsvorrichtung und Vorrichtung zur Durchführung des Verfahrens
DE102008034212B4 (de) 2008-07-23 2018-06-21 Bayerische Motoren Werke Aktiengesellschaft Reduktionsmitteltank zum Bereitstellen von Reduktionsmittel an einer Abgasanlage mit einer Pumpe und einer Diagnoseeinrichtung
US8161808B2 (en) * 2009-02-24 2012-04-24 GM Global Technology Operations LLC Exhaust treatment diagnostic system and method
US8915062B2 (en) * 2009-10-09 2014-12-23 GM Global Technology Operations LLC Method and apparatus for monitoring a reductant injection system in an exhaust aftertreatment system

Also Published As

Publication number Publication date
DE102008043405A1 (de) 2010-05-06
FR2938004A1 (fr) 2010-05-07
DE102008043405B4 (de) 2022-02-24
US8359914B2 (en) 2013-01-29
US20100107748A1 (en) 2010-05-06

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