FR2972489B1 - Procede d'estimation de la concentration en reducteur dans une solution de reduction d'oxydes d'azote et systeme scr - Google Patents

Procede d'estimation de la concentration en reducteur dans une solution de reduction d'oxydes d'azote et systeme scr

Info

Publication number
FR2972489B1
FR2972489B1 FR1151956A FR1151956A FR2972489B1 FR 2972489 B1 FR2972489 B1 FR 2972489B1 FR 1151956 A FR1151956 A FR 1151956A FR 1151956 A FR1151956 A FR 1151956A FR 2972489 B1 FR2972489 B1 FR 2972489B1
Authority
FR
France
Prior art keywords
estimating
nitrogen oxide
scr system
oxide reduction
reduction solution
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.)
Expired - Fee Related
Application number
FR1151956A
Other languages
English (en)
Other versions
FR2972489A1 (fr
Inventor
Marie-Pierre Saby
Audrey Hein
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.)
PSA Automobiles SA
Original Assignee
Peugeot Citroen Automobiles SA
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 Peugeot Citroen Automobiles SA filed Critical Peugeot Citroen Automobiles SA
Priority to FR1151956A priority Critical patent/FR2972489B1/fr
Publication of FR2972489A1 publication Critical patent/FR2972489A1/fr
Application granted granted Critical
Publication of FR2972489B1 publication Critical patent/FR2972489B1/fr
Expired - Fee Related 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
    • F01N2610/10—Adding substances to exhaust gases the substance being heated, e.g. by heating tank or supply line of the added substance
    • 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
    • F01N2900/1818—Concentration of the reducing agent
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00—Investigating or analyzing materials by the use of thermal means
    • G01N25/18—Investigating or analyzing materials by the use of thermal means by investigating thermal conductivity
    • 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)
FR1151956A 2011-03-10 2011-03-10 Procede d'estimation de la concentration en reducteur dans une solution de reduction d'oxydes d'azote et systeme scr Expired - Fee Related FR2972489B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1151956A FR2972489B1 (fr) 2011-03-10 2011-03-10 Procede d'estimation de la concentration en reducteur dans une solution de reduction d'oxydes d'azote et systeme scr

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1151956A FR2972489B1 (fr) 2011-03-10 2011-03-10 Procede d'estimation de la concentration en reducteur dans une solution de reduction d'oxydes d'azote et systeme scr

Publications (2)

Publication Number Publication Date
FR2972489A1 FR2972489A1 (fr) 2012-09-14
FR2972489B1 true FR2972489B1 (fr) 2013-04-12

Family

ID=44548246

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1151956A Expired - Fee Related FR2972489B1 (fr) 2011-03-10 2011-03-10 Procede d'estimation de la concentration en reducteur dans une solution de reduction d'oxydes d'azote et systeme scr

Country Status (1)

Country Link
FR (1) FR2972489B1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014226749A1 (de) * 2014-12-22 2016-06-23 Continental Automotive Gmbh Verfahren und Vorrichtung zum Überprüfen eines Heizsystems in einem SCR-Abgasnachbehandlungssystem
DE102015224358A1 (de) * 2015-12-04 2017-06-08 Volkswagen Aktiengesellschaft Verfahren zur Bestimmung eines Aggregatzustandes eines Reduktionsmittels in einem Reduktionsmitteltank eines SCR-Systems einer Brennkraftmaschinenanordnung und Brennkraftmaschinenanordnung

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE538928C2 (en) * 2015-06-09 2017-02-21 Scania Cv Ab A method and a system for providing an auxiliary unit Joakim Sommansson, Grödinge, SE
SE539150C2 (en) * 2015-10-28 2017-04-18 Scania Cv Ab Method and system for diagnosing an aftertreatment system
EP3369902B1 (fr) * 2017-03-03 2020-04-22 MEAS France Procédé et système permettant de déterminer la validité d'une concentration d'urée mesurée dans un fluide
FR3091926B1 (fr) * 2019-01-18 2021-07-02 MEAS France Méthode et système pour déterminer la concentration d’une solution d’urée

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1538437B1 (fr) * 2002-09-10 2018-10-31 SUN-A Corporation Procédé d'identification de concentration d'urée, et procédé de réduction de gaz d'echappement d'automobile utilisant ledit procédé
DE10316184A1 (de) * 2003-04-09 2004-10-28 Robert Bosch Gmbh Verfahren zur Dosierung eines Reagenzmittels in den Abgasstrom 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
EP1742042B1 (fr) * 2005-07-08 2011-11-23 Ngk Spark Plug Co., Ltd Capteur de détection de l'état liquide
FR2898681A1 (fr) * 2006-03-16 2007-09-21 Inergy Automotive Systems Res Procede pour determiner la concentration d'un composant dans une solution
FR2909901B1 (fr) * 2006-12-14 2009-01-23 Inergy Automotive Systems Res Methode et systeme pour le dosage d'une solution aqueuse de precurseur d'ammoniac dans des gaz d'echappement d'un moteur

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014226749A1 (de) * 2014-12-22 2016-06-23 Continental Automotive Gmbh Verfahren und Vorrichtung zum Überprüfen eines Heizsystems in einem SCR-Abgasnachbehandlungssystem
DE102014226749B4 (de) * 2014-12-22 2016-12-15 Continental Automotive Gmbh Verfahren und Vorrichtung zum Überprüfen eines Heizsystems in einem SCR-Abgasnachbehandlungssystem
DE102015224358A1 (de) * 2015-12-04 2017-06-08 Volkswagen Aktiengesellschaft Verfahren zur Bestimmung eines Aggregatzustandes eines Reduktionsmittels in einem Reduktionsmitteltank eines SCR-Systems einer Brennkraftmaschinenanordnung und Brennkraftmaschinenanordnung

Also Published As

Publication number Publication date
FR2972489A1 (fr) 2012-09-14

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Effective date: 20141128