DE102012002059A1 - Verfahren zum Betrieb einer Dosiervorrichtung - Google Patents

Verfahren zum Betrieb einer Dosiervorrichtung Download PDF

Info

Publication number
DE102012002059A1
DE102012002059A1 DE102012002059A DE102012002059A DE102012002059A1 DE 102012002059 A1 DE102012002059 A1 DE 102012002059A1 DE 102012002059 A DE102012002059 A DE 102012002059A DE 102012002059 A DE102012002059 A DE 102012002059A DE 102012002059 A1 DE102012002059 A1 DE 102012002059A1
Authority
DE
Germany
Prior art keywords
pressure
accumulator
valve
metering
pump
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Withdrawn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
DE102012002059A
Other languages
German (de)
English (en)
Inventor
Rolf Brück
Jan Hodgson
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.)
Continental Automotive GmbH
Original Assignee
Emitec Gesellschaft fuer Emissionstechnologie mbH
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 Emitec Gesellschaft fuer Emissionstechnologie mbH filed Critical Emitec Gesellschaft fuer Emissionstechnologie mbH
Priority to DE102012002059A priority Critical patent/DE102012002059A1/de
Priority to EP13703009.4A priority patent/EP2809898A2/de
Priority to RU2014135644/06A priority patent/RU2595705C2/ru
Priority to PCT/EP2013/052044 priority patent/WO2013113882A2/de
Priority to KR1020147022861A priority patent/KR101719403B1/ko
Priority to CN201380007924.8A priority patent/CN104093946A/zh
Priority to JP2014555226A priority patent/JP2015507125A/ja
Priority to IN6574DEN2014 priority patent/IN2014DN06574A/en
Publication of DE102012002059A1 publication Critical patent/DE102012002059A1/de
Priority to US14/450,423 priority patent/US20140338311A1/en
Withdrawn legal-status Critical Current

Links

Images

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
    • F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
    • F01N3/208—Control of selective catalytic reduction [SCR], e.g. by adjusting the 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
    • 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
    • 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
    • F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
    • 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
    • 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
    • F01N3/24—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 constructional aspects of converting apparatus
    • F01N3/36—Arrangements for supply of additional fuel
    • 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
    • F01N2610/01—Adding substances to exhaust gases the substance being catalytic material in liquid form
    • 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
    • F01N2610/1446—Means for damping of pressure fluctuations in the delivery system, e.g. by puffer volumes or throttling
    • 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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Accessories For Mixers (AREA)
DE102012002059A 2012-02-03 2012-02-03 Verfahren zum Betrieb einer Dosiervorrichtung Withdrawn DE102012002059A1 (de)

Priority Applications (9)

Application Number Priority Date Filing Date Title
DE102012002059A DE102012002059A1 (de) 2012-02-03 2012-02-03 Verfahren zum Betrieb einer Dosiervorrichtung
EP13703009.4A EP2809898A2 (de) 2012-02-03 2013-02-01 Verfahren zum betrieb einer dosiervorrichtung
RU2014135644/06A RU2595705C2 (ru) 2012-02-03 2013-02-01 Способ эксплуатации дозирующего устройства
PCT/EP2013/052044 WO2013113882A2 (de) 2012-02-03 2013-02-01 Verfahren zum betrieb einer dosiervorrichtung
KR1020147022861A KR101719403B1 (ko) 2012-02-03 2013-02-01 계량 기기의 작동 방법
CN201380007924.8A CN104093946A (zh) 2012-02-03 2013-02-01 用于操作计量装置的方法
JP2014555226A JP2015507125A (ja) 2012-02-03 2013-02-01 配量装置の作動方法
IN6574DEN2014 IN2014DN06574A (cs) 2012-02-03 2013-02-01
US14/450,423 US20140338311A1 (en) 2012-02-03 2014-08-04 Method for operating a dosing apparatus and motor vehicle having a dosing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012002059A DE102012002059A1 (de) 2012-02-03 2012-02-03 Verfahren zum Betrieb einer Dosiervorrichtung

Publications (1)

Publication Number Publication Date
DE102012002059A1 true DE102012002059A1 (de) 2013-08-08

Family

ID=47678778

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102012002059A Withdrawn DE102012002059A1 (de) 2012-02-03 2012-02-03 Verfahren zum Betrieb einer Dosiervorrichtung

Country Status (9)

Country Link
US (1) US20140338311A1 (cs)
EP (1) EP2809898A2 (cs)
JP (1) JP2015507125A (cs)
KR (1) KR101719403B1 (cs)
CN (1) CN104093946A (cs)
DE (1) DE102012002059A1 (cs)
IN (1) IN2014DN06574A (cs)
RU (1) RU2595705C2 (cs)
WO (1) WO2013113882A2 (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021121029A1 (de) 2021-08-12 2023-02-16 Volkswagen Aktiengesellschaft Dosiersystem zur Eindosierung eines Reduktionsmittels in die Abgasanlage eines Verbrennungsmotors

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11028752B2 (en) 2018-02-12 2021-06-08 Cummins Emission Solutions Inc. Reductant insertion assembly comprising a bladder
FR3107352B1 (fr) * 2020-02-17 2022-01-14 Vitesco Technologies Procédé de mesure d’un débit de liquide à la sortie d’une pompe
DE102020117216A1 (de) * 2020-06-30 2021-12-30 Fresenius Medical Care Deutschland Gmbh Verfahren und Vorrichtung zum Dosieren von Lösungen

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10346220A1 (de) * 2003-09-23 2005-04-14 Robert Bosch Gmbh Brennkraftmaschine mit Abgasnachbehandlungssystem
DE102008010073B4 (de) 2008-02-19 2010-10-21 Thomas Magnete Gmbh System und Verfahren zum Dosieren eines Fluids
DE102009003101A1 (de) * 2009-05-14 2010-11-18 Robert Bosch Gmbh Antriebsaggregat sowie Verfahren zum Betreiben eines Antriebsaggregats

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0712660Y2 (ja) * 1990-04-10 1995-03-29 日野自動車工業株式会社 ディーゼル・エンジンに使用される排気浄化装置
DE19819579C1 (de) * 1998-04-30 1999-09-30 Siemens Ag Verfahren und Vorrichtung zur Abgasnachbehandlung für eine mit einem SCR-Katalysator ausgestattete Brennkraftmaschine
DE19946900A1 (de) * 1999-06-22 2000-12-28 Bosch Gmbh Robert Vorrichtung zur Dosierung eines Reduktionsmittels
DE19947197A1 (de) * 1999-10-01 2001-04-12 Bosch Gmbh Robert Vorrichtung und Verfahren zur Dosierung eines Reduktionsmittels
DE10127834A1 (de) * 2001-06-08 2002-12-12 Bosch Gmbh Robert Vorrichtung und Verfahren zur Dosierung eines Reduktionsmittels zur Entfernung von Stickoxiden aus Abgasen
US6941746B2 (en) * 2002-11-21 2005-09-13 Combustion Components Associates, Inc. Mobile diesel selective catalytic reduction systems and methods
ATE411468T1 (de) * 2002-12-23 2008-10-15 Grundfos Nonox As Dosierpumpenaggregat
DE10324482B4 (de) * 2003-05-30 2014-08-21 Robert Bosch Gmbh Vorrichtung zur Dosierung eines Reduktionsmittels zum Abgas eines Verbrennungsmotors
JP2005307769A (ja) * 2004-04-19 2005-11-04 Hino Motors Ltd 排気浄化装置
DE102004046881A1 (de) * 2004-09-28 2006-04-13 Robert Bosch Gmbh Zuführsystem für ein Medium, insbesondere zur Behandlung von Abgasen einer Brennkraftmaschine, Abgasreinigungsvorrichtung und Verfahren zum Betreiben eines Zuführsystems
DE102004050023A1 (de) * 2004-10-13 2006-04-27 L'orange Gmbh Einrichtung zur dosierten Einspritzung eines Reduktionsmittels in den Abgastrakt einer Brennkraftmaschine
AT500849B8 (de) * 2004-11-15 2007-02-15 Pankl Emission Control Systems Harnstoffdosiervorrichtung
DE102005002318A1 (de) * 2005-01-17 2006-07-27 Robert Bosch Gmbh Abgasnachbehandlungsverfahren und Vorrichtung hierzu
JP4804242B2 (ja) * 2006-06-26 2011-11-02 Ｕｄトラックス株式会社 エンジンの排気浄化装置
DE102006058880A1 (de) * 2006-12-13 2008-07-03 Siemens Ag Verfahren zur Korrektur eines Ausgangssignals eines Lambda-Sensors und Brennkraftmaschine
JP2008151094A (ja) * 2006-12-20 2008-07-03 Aisan Ind Co Ltd 内燃機関の排気浄化装置
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
JP2008255948A (ja) * 2007-04-06 2008-10-23 Denso Corp 燃料噴射弁およびそれを用いた燃料噴射システム
DE102009005790B4 (de) * 2009-01-22 2023-05-17 Albonair Gmbh Dosiersystem
DE102008013406A1 (de) * 2008-03-10 2009-09-17 Robert Bosch Gmbh Abgasnachbehandlungsvorrichtung mit verbesserter Druckpulsdämpfung
DE102008049097A1 (de) * 2008-09-26 2010-04-01 Daimler Ag Kraftwagen mit System zum Zuführen von Flüssigkeit in ein anderes Medium, insbesondere zum Zuführen eines Reduktionsmittels in das Abgas eines Verbrennungsmotors
CN201924999U (zh) * 2010-11-30 2011-08-10 苏州派格力减排系统有限公司 尿素计量喷射泵自动标定系统
DE102011110056B4 (de) * 2011-08-12 2022-08-11 Vitesco Technologies GmbH Verfahren zur Dosierung eines Reduktionsmittels
DE102012204385B4 (de) * 2012-03-20 2024-05-16 Robert Bosch Gmbh Verfahren und Steuereinheit zur Dosierung von Kraftstoff in einen Abgaskanal

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10346220A1 (de) * 2003-09-23 2005-04-14 Robert Bosch Gmbh Brennkraftmaschine mit Abgasnachbehandlungssystem
DE102008010073B4 (de) 2008-02-19 2010-10-21 Thomas Magnete Gmbh System und Verfahren zum Dosieren eines Fluids
DE102009003101A1 (de) * 2009-05-14 2010-11-18 Robert Bosch Gmbh Antriebsaggregat sowie Verfahren zum Betreiben eines Antriebsaggregats

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021121029A1 (de) 2021-08-12 2023-02-16 Volkswagen Aktiengesellschaft Dosiersystem zur Eindosierung eines Reduktionsmittels in die Abgasanlage eines Verbrennungsmotors
DE102021121029B4 (de) 2021-08-12 2024-07-18 Volkswagen Aktiengesellschaft Verbrennungsmotor und Verfahren zur Dosierung eines Reduktionsmittels in die Abgasanlage eines Verbrennungsmotors

Also Published As

Publication number Publication date
IN2014DN06574A (cs) 2015-05-22
KR101719403B1 (ko) 2017-03-23
KR20140115351A (ko) 2014-09-30
CN104093946A (zh) 2014-10-08
EP2809898A2 (de) 2014-12-10
JP2015507125A (ja) 2015-03-05
WO2013113882A3 (de) 2013-10-03
US20140338311A1 (en) 2014-11-20
RU2595705C2 (ru) 2016-08-27
WO2013113882A2 (de) 2013-08-08
RU2014135644A (ru) 2016-03-27

Similar Documents

Publication Publication Date Title
EP2898197B1 (de) Verfahren zum betrieb einer dosiervorrichtung
EP2504540B1 (de) Verfahren zum betrieb einer fördervorrichtung für ein reduktionsmittel
EP2989305B1 (de) Verfahren zum betrieb einer vorrichtung zur dosierten bereitstellung einer flüssigkeit
DE102009023325B4 (de) Verfahren zur Adaption der Injektionsmittelzufuhr in einem Injektionssystem
EP2013456B1 (de) Vorrichtung zur zufuhr eines reduktionsmittels in einen abgasstrang einer verbrennungskraftmaschine
DE102007044610B4 (de) Verfahren zur Detektion der minimalen Öffnungszeit einer Reduktionsmittelzuführeinrichtung in einem Abgasnachbehandlungssystem mit einem SCR-Katalysator
DE102010029340A1 (de) Verfahren zum Betreiben eines SCR-Katalysators
DE102010031660A1 (de) Verfahren zum Betreiben eines Dosiersystems
DE102011006187A1 (de) Dosiersystem für ein flüssiges Medium, insbesondere eine Harnstoff-Wasser-Lösung
DE102012002059A1 (de) Verfahren zum Betrieb einer Dosiervorrichtung
EP2660436B1 (de) Verfahren zum Entlüften einer Fördereinheit für ein flüssiges Additiv
DE102007030541A1 (de) Verfahren und Dosiersystem zum Dosieren eines Reduktionsmittels in ein Abgassystem einer Brennkraftmaschine
EP2989328B1 (de) Pumpe zur dosierung eines flüssigen additivs für eine selektive katalytische reduktions vorrichtung
EP2989306B1 (de) Verfahren zum betrieb einer vorrichtung zur dosierten bereitstellung einer flüssigkeit
DE102009000061A1 (de) Verfahren zur Reduzierung von Mengentoleranzen einer Dosiervorrichtung
EP3670907B1 (de) Verfahren zum betreiben einer pumpe und system mit einer solchen pumpe
DE102008034212B4 (de) Reduktionsmitteltank zum Bereitstellen von Reduktionsmittel an einer Abgasanlage mit einer Pumpe und einer Diagnoseeinrichtung
EP2294294B1 (de) Dosiersystem für ein flüssiges medium, insbesondere harnstoff-wasser-lösung
DE102012210631A1 (de) Dosiersystem zur Eindüsung eines Reduktionsmittels in eine Abgasleitung einer Brennkraftmaschine
DE102016210619A1 (de) Verfahren zur Diagnose eines Reagenzmittel-Dosiersystems, Vorrichtung zur Durchführung des Verfahrens, Computer-Programm sowie Computer-Programmprodukt
DE102017200555A1 (de) Verfahren zum Verhindern einer Kristallisation eines Reagenzmittels in einem Dosierventil, Vorrichtung zur Durchführung des Verfahrens, Computerprogramm sowie Computerprogrammprodukt
DE102007035938A1 (de) Reduktionsmitteldosiersystem und -Verfahren
DE102013225378A1 (de) Vorrichtung zur Nachbehandlung von Abgas
DE102014225241A1 (de) Verfahren zum Betreiben eines Reagenzmittel-Dosiersystems, Vorrichtung zur Durchführung des Verfahrens, Steuergeräteprogramm und Steuergeräteprogrammprodukt
DE102014223069A1 (de) Verfahren und Vorrichtung zur Erkennung von Gasblasen in einer Fördereinrichtung für Reduktionsmittel

Legal Events

Date Code Title Description
R163 Identified publications notified
R081 Change of applicant/patentee

Owner name: CONTINENTAL AUTOMOTIVE GMBH, DE

Free format text: FORMER OWNER: EMITEC GESELLSCHAFT FUER EMISSIONSTECHNOLOGIE MBH, 53797 LOHMAR, DE

R082 Change of representative
R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee