WO2013113882A3 - Method for operating a metering apparatus - Google Patents

Method for operating a metering apparatus Download PDF

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Publication number
WO2013113882A3
WO2013113882A3 PCT/EP2013/052044 EP2013052044W WO2013113882A3 WO 2013113882 A3 WO2013113882 A3 WO 2013113882A3 EP 2013052044 W EP2013052044 W EP 2013052044W WO 2013113882 A3 WO2013113882 A3 WO 2013113882A3
Authority
WO
WIPO (PCT)
Prior art keywords
metering
pressure
pressure accumulator
additive
operating
Prior art date
Application number
PCT/EP2013/052044
Other languages
German (de)
French (fr)
Other versions
WO2013113882A2 (en
Inventor
Rolf BRÜCK
Jan Hodgson
Original Assignee
Emitec Gesellschaft Für 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 Für Emissionstechnologie Mbh filed Critical Emitec Gesellschaft Für Emissionstechnologie Mbh
Priority to RU2014135644/06A priority Critical patent/RU2595705C2/en
Priority to IN6574DEN2014 priority patent/IN2014DN06574A/en
Priority to KR1020147022861A priority patent/KR101719403B1/en
Priority to CN201380007924.8A priority patent/CN104093946A/en
Priority to EP13703009.4A priority patent/EP2809898A2/en
Priority to JP2014555226A priority patent/JP2015507125A/en
Publication of WO2013113882A2 publication Critical patent/WO2013113882A2/en
Publication of WO2013113882A3 publication Critical patent/WO2013113882A3/en
Priority to US14/450,423 priority patent/US20140338311A1/en

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
    • 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
    • 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
    • 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)

Abstract

The invention relates to a method for operating a metering apparatus (1) for providing a liquid additive. At the minimum, the metering apparatus has at least one pump (2) for pumping the additive from a tank (3) into a pressure accumulator (4), a metering valve (5) that is designed to provide additive present in the pressure accumulator (4) in a metered manner, and a check valve (6) by means of which additive present in the pressure accumulator (4) can be led back into the tank (3). In the method, first a metering demand is established in step a). Subsequently, the pump (2) is activated in step b) in order to build up a pressure in the pressure accumulator (4). Then, the pressure in the pressure accumulator (4) is set to a desired metering pressure (8). Thereafter, the liquid additive is dispensed by the metering valve (5) in step d).
PCT/EP2013/052044 2012-02-03 2013-02-01 Method for operating a metering apparatus WO2013113882A2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
RU2014135644/06A RU2595705C2 (en) 2012-02-03 2013-02-01 Method of operating dosing device
IN6574DEN2014 IN2014DN06574A (en) 2012-02-03 2013-02-01
KR1020147022861A KR101719403B1 (en) 2012-02-03 2013-02-01 Method for operating a metering apparatus
CN201380007924.8A CN104093946A (en) 2012-02-03 2013-02-01 Method for operating metering apparatus
EP13703009.4A EP2809898A2 (en) 2012-02-03 2013-02-01 Method for operating a metering apparatus
JP2014555226A JP2015507125A (en) 2012-02-03 2013-02-01 How to operate the metering device
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 (2)

Application Number Priority Date Filing Date Title
DE102012002059A DE102012002059A1 (en) 2012-02-03 2012-02-03 Method for operating a metering device
DE102012002059.7 2012-02-03

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US14/450,423 Continuation US20140338311A1 (en) 2012-02-03 2014-08-04 Method for operating a dosing apparatus and motor vehicle having a dosing apparatus

Publications (2)

Publication Number Publication Date
WO2013113882A2 WO2013113882A2 (en) 2013-08-08
WO2013113882A3 true WO2013113882A3 (en) 2013-10-03

Family

ID=47678778

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2013/052044 WO2013113882A2 (en) 2012-02-03 2013-02-01 Method for operating a metering apparatus

Country Status (9)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019156690A1 (en) * 2018-02-12 2019-08-15 Cummins Emission Solutions Inc. Reductant insertion assembly comprising a bladder
FR3107352B1 (en) * 2020-02-17 2022-01-14 Vitesco Technologies Method for measuring a liquid flow at the outlet of a pump
DE102020117216A1 (en) * 2020-06-30 2021-12-30 Fresenius Medical Care Deutschland Gmbh Method and device for dosing solutions
DE102021121029A1 (en) 2021-08-12 2023-02-16 Volkswagen Aktiengesellschaft Metering system for metering a reducing agent into the exhaust system of a combustion engine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000079108A1 (en) * 1999-06-22 2000-12-28 Robert Bosch Gmbh Device for dosing a reducing agent
EP1656986A1 (en) * 2004-11-15 2006-05-17 Pankl Emission Control Systems GmbH Urea dosing device
US20080148716A1 (en) * 2006-12-20 2008-06-26 Aisan Kogyo Kabushiki Kaisha Exhaust gas purification device of internal combustion engine

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JPH0712660Y2 (en) * 1990-04-10 1995-03-29 日野自動車工業株式会社 Exhaust gas purification device used for diesel engine
DE19819579C1 (en) * 1998-04-30 1999-09-30 Siemens Ag Secondary treatment of exhaust from lean burn diesel engine with SCR catalyst, minimizing pump usage and energy consumption
DE19947197A1 (en) * 1999-10-01 2001-04-12 Bosch Gmbh Robert Device and method for dosing a reducing agent
DE10127834A1 (en) * 2001-06-08 2002-12-12 Bosch Gmbh Robert Device for dosing a reducing agent, especially urea or a urea-water solution, comprises units for introducing the agent into a catalyst arrangement, a dosing valve arranged at the end
US6941746B2 (en) * 2002-11-21 2005-09-13 Combustion Components Associates, Inc. Mobile diesel selective catalytic reduction systems and methods
ATE411468T1 (en) * 2002-12-23 2008-10-15 Grundfos Nonox As DOSING PUMP UNIT
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DE102011110056B4 (en) * 2011-08-12 2022-08-11 Vitesco Technologies GmbH Process for dosing a reducing agent
DE102012204385B4 (en) * 2012-03-20 2024-05-16 Robert Bosch Gmbh Method and control unit for metering fuel into an exhaust duct

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000079108A1 (en) * 1999-06-22 2000-12-28 Robert Bosch Gmbh Device for dosing a reducing agent
EP1656986A1 (en) * 2004-11-15 2006-05-17 Pankl Emission Control Systems GmbH Urea dosing device
US20080148716A1 (en) * 2006-12-20 2008-06-26 Aisan Kogyo Kabushiki Kaisha Exhaust gas purification device of internal combustion engine

Also Published As

Publication number Publication date
CN104093946A (en) 2014-10-08
RU2595705C2 (en) 2016-08-27
KR101719403B1 (en) 2017-03-23
JP2015507125A (en) 2015-03-05
EP2809898A2 (en) 2014-12-10
RU2014135644A (en) 2016-03-27
IN2014DN06574A (en) 2015-05-22
KR20140115351A (en) 2014-09-30
US20140338311A1 (en) 2014-11-20
WO2013113882A2 (en) 2013-08-08
DE102012002059A1 (en) 2013-08-08

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