FR2909901B1 - Methode et systeme pour le dosage d'une solution aqueuse de precurseur d'ammoniac dans des gaz d'echappement d'un moteur - Google Patents

Methode et systeme pour le dosage d'une solution aqueuse de precurseur d'ammoniac dans des gaz d'echappement d'un moteur

Info

Publication number
FR2909901B1
FR2909901B1 FR0610913A FR0610913A FR2909901B1 FR 2909901 B1 FR2909901 B1 FR 2909901B1 FR 0610913 A FR0610913 A FR 0610913A FR 0610913 A FR0610913 A FR 0610913A FR 2909901 B1 FR2909901 B1 FR 2909901B1
Authority
FR
France
Prior art keywords
engine
determining
exhaust gases
precursor solution
aqueous ammonia
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
FR0610913A
Other languages
English (en)
Other versions
FR2909901A1 (fr
Inventor
Francois Dougnier
De Beeck Joel Op
Schaftingen Jules Joseph Van
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.)
Plastic Omnium Advanced Innovation and Research SA
Original Assignee
Inergy Automotive Systems Research 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 Inergy Automotive Systems Research SA filed Critical Inergy Automotive Systems Research SA
Priority to FR0610913A priority Critical patent/FR2909901B1/fr
Priority to PCT/EP2007/063768 priority patent/WO2008071730A1/fr
Priority to PCT/EP2007/063764 priority patent/WO2008071727A1/fr
Publication of FR2909901A1 publication Critical patent/FR2909901A1/fr
Application granted granted Critical
Publication of FR2909901B1 publication Critical patent/FR2909901B1/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/206—Ammonium compounds
    • B01D2251/2067—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
    • F01N2610/02—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
    • F01N2610/1453—Sprayers or atomisers; Arrangement thereof in the exhaust apparatus
    • F01N2610/146—Control thereof, e.g. control of injectors or injection valves
    • 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
    • F01N2900/04—Methods of control or diagnosing
    • F01N2900/0412—Methods of control or diagnosing using pre-calibrated maps, tables or charts
    • 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
    • F01N2900/08—Parameters used for exhaust control or diagnosing said parameters being related to the engine
    • 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
    • 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
    • F01N2900/1811—Temperature
    • 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
FR0610913A 2006-12-14 2006-12-14 Methode et systeme pour le dosage d'une solution aqueuse de precurseur d'ammoniac dans des gaz d'echappement d'un moteur Expired - Fee Related FR2909901B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR0610913A FR2909901B1 (fr) 2006-12-14 2006-12-14 Methode et systeme pour le dosage d'une solution aqueuse de precurseur d'ammoniac dans des gaz d'echappement d'un moteur
PCT/EP2007/063768 WO2008071730A1 (fr) 2006-12-14 2007-12-12 Procédé et système de mesure d'une solution de précurseur d'ammoniac aqueux dans les gaz d'échappement d'un moteur
PCT/EP2007/063764 WO2008071727A1 (fr) 2006-12-14 2007-12-12 Procédé et système pour mesurer une solution de précurseur d'ammoniac aqueux dans les gaz d'échappement d'un moteur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0610913A FR2909901B1 (fr) 2006-12-14 2006-12-14 Methode et systeme pour le dosage d'une solution aqueuse de precurseur d'ammoniac dans des gaz d'echappement d'un moteur

Publications (2)

Publication Number Publication Date
FR2909901A1 FR2909901A1 (fr) 2008-06-20
FR2909901B1 true FR2909901B1 (fr) 2009-01-23

Family

ID=38222410

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0610913A Expired - Fee Related FR2909901B1 (fr) 2006-12-14 2006-12-14 Methode et systeme pour le dosage d'une solution aqueuse de precurseur d'ammoniac dans des gaz d'echappement d'un moteur

Country Status (1)

Country Link
FR (1) FR2909901B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2972489B1 (fr) * 2011-03-10 2013-04-12 Peugeot Citroen Automobiles Sa Procede d'estimation de la concentration en reducteur dans une solution de reduction d'oxydes d'azote et systeme scr

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19818448A1 (de) * 1998-04-24 1999-10-28 Siemens Ag Verfahren und Vorrichtung zur katalytischen Reduzierung von Stickoxiden im Abgas einer Verbrennungsanlage
DE19819579C1 (de) * 1998-04-30 1999-09-30 Siemens Ag Verfahren und Vorrichtung zur Abgasnachbehandlung für eine mit einem SCR-Katalysator ausgestattete Brennkraftmaschine
DE10139142A1 (de) * 2001-08-09 2003-02-20 Bosch Gmbh Robert Abgasbehandlungseinheit und Messvorrichtung zur Ermittlung einer Konzentration einer Harnstoff-Wasser-Lösung
US7971425B2 (en) * 2002-09-10 2011-07-05 Mitsui Mining & Smelting Co., Ltd. Urea concentration identifying system, method for indentifying urea concentration and automobile exhaust gas reducing system using same, and method for reducing automobile exhaust gas
DE10319841A1 (de) * 2003-05-03 2004-12-02 Hydraulik-Ring Gmbh Einrichtung zur Abgasnachbehandlung in Dieselfahrzeugen
ITMI20041318A1 (it) * 2004-06-30 2004-09-30 Iveco Spa Apparecchiatura e metodfo per l'iniez<ione di un liquido ad una corrente gassosa impianto di trattamento di gas di scarico e veicolo dotato di tale impianto
DE102004044825A1 (de) * 2004-09-16 2006-03-23 Deutz Ag Überwachung eines Abgasnachbehandlungssystems

Also Published As

Publication number Publication date
FR2909901A1 (fr) 2008-06-20

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Effective date: 20130830