FR2878901B1 - Procede d'estimation du vieillissement d'un piege catalytique a oxydes d'azote - Google Patents

Procede d'estimation du vieillissement d'un piege catalytique a oxydes d'azote

Info

Publication number
FR2878901B1
FR2878901B1 FR0413008A FR0413008A FR2878901B1 FR 2878901 B1 FR2878901 B1 FR 2878901B1 FR 0413008 A FR0413008 A FR 0413008A FR 0413008 A FR0413008 A FR 0413008A FR 2878901 B1 FR2878901 B1 FR 2878901B1
Authority
FR
France
Prior art keywords
estimating
aging
nitrogen oxides
catalytic trap
trap
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
FR0413008A
Other languages
English (en)
Other versions
FR2878901A1 (fr
Inventor
Pascal Barrillon
Oria Sebastien D
Olivier Meurisse
Emmanuel Poilane
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.)
Renault SAS
Original Assignee
Renault SAS
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 Renault SAS filed Critical Renault SAS
Priority to FR0413008A priority Critical patent/FR2878901B1/fr
Publication of FR2878901A1 publication Critical patent/FR2878901A1/fr
Application granted granted Critical
Publication of FR2878901B1 publication Critical patent/FR2878901B1/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
    • F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
    • F01N11/002—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring or estimating temperature or pressure in, or downstream of the exhaust apparatus
    • 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
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • 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
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
    • F01N3/0842—Nitrogen oxides
    • 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
    • F01N2550/03—Monitoring or diagnosing the deterioration of exhaust systems of sorbing activity of adsorbents or absorbents
    • 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)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Exhaust Gas After Treatment (AREA)
FR0413008A 2004-12-07 2004-12-07 Procede d'estimation du vieillissement d'un piege catalytique a oxydes d'azote Expired - Fee Related FR2878901B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0413008A FR2878901B1 (fr) 2004-12-07 2004-12-07 Procede d'estimation du vieillissement d'un piege catalytique a oxydes d'azote

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0413008A FR2878901B1 (fr) 2004-12-07 2004-12-07 Procede d'estimation du vieillissement d'un piege catalytique a oxydes d'azote

Publications (2)

Publication Number Publication Date
FR2878901A1 FR2878901A1 (fr) 2006-06-09
FR2878901B1 true FR2878901B1 (fr) 2010-02-26

Family

ID=34952024

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0413008A Expired - Fee Related FR2878901B1 (fr) 2004-12-07 2004-12-07 Procede d'estimation du vieillissement d'un piege catalytique a oxydes d'azote

Country Status (1)

Country Link
FR (1) FR2878901B1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2916232B1 (fr) * 2007-05-18 2009-07-31 Renault Sas Procede et dispositif d'estimation de temperatures d'un systeme de post-traitement a regeneration en fonction du vieillissement
FR2939841A1 (fr) * 2008-12-16 2010-06-18 Renault Sas Procede de detection de la perte d'efficacite d'un convertisseur catalytique et dispositif correspondant
GB2475318B (en) * 2009-11-16 2016-08-10 Gm Global Tech Operations Llc Method for diagnosing a catalytic device of an engine exhaust gas after-treatment system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2983429B2 (ja) * 1994-02-25 1999-11-29 本田技研工業株式会社 内燃機関の排気ガス浄化装置
JP3684934B2 (ja) * 1999-08-30 2005-08-17 三菱自動車工業株式会社 内燃機関の排気浄化装置
AT3749U1 (de) * 1999-11-19 2000-07-25 Avl List Gmbh Verfahren zur bestimmung des alterungszustandes eines nox-speicherkatalysators
DE10137134B4 (de) * 2001-07-30 2004-09-02 Robert Bosch Gmbh Verfahren und Steuergerät zum Betreiben einer Brennkraftmaschime insbesondere eines Kraftfahrzeugs
FR2853691B1 (fr) * 2003-04-11 2005-05-27 Renault Sa Procede et dispositif d'estimation de l'etat thermique d'un piege catalytique a oxydes d'azote implante dans la ligne d'echappement d'un moteur a combustion interne

Also Published As

Publication number Publication date
FR2878901A1 (fr) 2006-06-09

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