FR3053732B1 - Procede de controle d'un etat de fonctionnement d'un systeme de reduction catalytique selective des oxydes d'azote pour un vehicule - Google Patents

Procede de controle d'un etat de fonctionnement d'un systeme de reduction catalytique selective des oxydes d'azote pour un vehicule Download PDF

Info

Publication number
FR3053732B1
FR3053732B1 FR1656481A FR1656481A FR3053732B1 FR 3053732 B1 FR3053732 B1 FR 3053732B1 FR 1656481 A FR1656481 A FR 1656481A FR 1656481 A FR1656481 A FR 1656481A FR 3053732 B1 FR3053732 B1 FR 3053732B1
Authority
FR
France
Prior art keywords
catalytic reduction
state
vehicle
catalyst
nitrogen oxides
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.)
Active
Application number
FR1656481A
Other languages
English (en)
Other versions
FR3053732A1 (fr
Inventor
Ali Sellami
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.)
NEW H POWERTRAIN HOLDING, S.L.U., ES
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 FR1656481A priority Critical patent/FR3053732B1/fr
Publication of FR3053732A1 publication Critical patent/FR3053732A1/fr
Application granted granted Critical
Publication of FR3053732B1 publication Critical patent/FR3053732B1/fr
Active 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]
    • 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
    • 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
    • F01N3/10—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
    • F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
    • F01N2550/02—Catalytic activity 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
    • 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
    • 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
    • F01N2900/14—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust gas
    • F01N2900/1404—Exhaust gas temperature
    • 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
    • F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
    • F01N2900/1628—Moisture amount in 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
    • 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
    • F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
    • F01N2900/1631—Heat amount provided to exhaust apparatus
    • 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)

Abstract

L'invention concerne un procédé de contrôle d'un état de fonctionnement d'un système de réduction catalytique sélective (2) des oxydes d'azote pour un véhicule comprenant un moteur (6) relié à une ligne d'échappement (7), le système (2) étant pourvu d'un catalyseur (9) notamment d'un pain de réduction catalytique, le procédé comprenant une étape de détection (21) d'une phase de fonctionnement du moteur (6) durant laquelle un premier composant (15a) d'une réaction exothermique susceptible d'être réalisée au sein dudit catalyseur (9) est présent dans des gaz d'échappement (14) et une étape d'analyse (22) de la réaction exothermique résultante d'une pénétration dudit premier composant (15a) dans ledit catalyseur (9) pour déterminer un état fonctionnel, ou un état défaillant, dudit catalyseur (9).
FR1656481A 2016-07-06 2016-07-06 Procede de controle d'un etat de fonctionnement d'un systeme de reduction catalytique selective des oxydes d'azote pour un vehicule Active FR3053732B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1656481A FR3053732B1 (fr) 2016-07-06 2016-07-06 Procede de controle d'un etat de fonctionnement d'un systeme de reduction catalytique selective des oxydes d'azote pour un vehicule

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1656481 2016-07-06
FR1656481A FR3053732B1 (fr) 2016-07-06 2016-07-06 Procede de controle d'un etat de fonctionnement d'un systeme de reduction catalytique selective des oxydes d'azote pour un vehicule

Publications (2)

Publication Number Publication Date
FR3053732A1 FR3053732A1 (fr) 2018-01-12
FR3053732B1 true FR3053732B1 (fr) 2020-08-07

Family

ID=57396554

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1656481A Active FR3053732B1 (fr) 2016-07-06 2016-07-06 Procede de controle d'un etat de fonctionnement d'un systeme de reduction catalytique selective des oxydes d'azote pour un vehicule

Country Status (1)

Country Link
FR (1) FR3053732B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3106366B1 (fr) 2020-01-21 2022-01-21 Renault Sas Procédé de contrôle d’un état de fonctionnement d’un système de réduction catalytique sélective des oxydes d’azote pour un véhicule.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2833994B1 (fr) * 2001-12-24 2004-02-27 Renault Procede et dispositif de controle de l'etat de fonctionnement d'un convertisseur catalytique d'une ligne d'echappement d'un moteur a combustion interne
JP2010275947A (ja) * 2009-05-29 2010-12-09 Toyota Motor Corp 排気浄化装置の劣化診断システム
DE102014209960B4 (de) * 2013-06-13 2020-07-02 Ford Global Technologies, Llc Verfahren und Vorrichtung zum Bewerten der Funktionsfähigkeit eines SCR-Katalysators in einem Abgassystem eines Dieselmotors
JP5861720B2 (ja) * 2014-01-20 2016-02-16 トヨタ自動車株式会社 内燃機関の制御装置

Also Published As

Publication number Publication date
FR3053732A1 (fr) 2018-01-12

Similar Documents

Publication Publication Date Title
US9038369B2 (en) Systems and methods for aftertreatment system diagnostics
Mann et al. Mild chemo-selective hydration of terminal alkynes catalysed by AgSbF 6
Burch et al. The difference between alkanes and alkenes in the reduction of NO by hydrocarbons over Pt catalysts under lean-burn conditions
EP3058190B1 (fr) Système de diagnostic embarqué pour substrat catalytique
Xu et al. LNT+ in situ SCR catalyst system for diesel emissions control
Lietti et al. Pathways for N2 and N2O Formation during the Reduction of NO x over Pt–Ba/Al2O3 LNT Catalysts Investigated by Labeling Isotopic Experiments
SE1651061A1 (en) A system and a method for diagnosing the performance of two NOx sensors in an exhaust gas processing configuration comprising two SCR units
US20140219896A1 (en) Heat generation system for determining a selective catalytic reduction device efficiency
US20140260213A1 (en) Aftertreatment System For Simultaneous Emissions Control In Stationary Rich Burn Engines
FR3053732B1 (fr) Procede de controle d'un etat de fonctionnement d'un systeme de reduction catalytique selective des oxydes d'azote pour un vehicule
Ciambelli et al. Potentialities and limitations of lean de-NOx catalysts in reducing automotive exhaust emissions
ZA202002845B (en) Catalyzed soot filter with reduced ammonia oxidation
KR100999617B1 (ko) 선택적 촉매의 모니터링장치
RU2016138322A (ru) Способ очистки выхлопного газа двигателя с воспламенением от сжатия
EP3091206B1 (fr) Appareil de post-traitement de gaz d'échappement et procédé de commande pour ce dernier
US20150165377A1 (en) Nox sensor with amox catalyst
Patterson et al. The formation of benzene and chlorobenzene during the oxidation of toluene over rhodium-based catalysts
KR102601110B1 (ko) Scr 촉매 컨버터 시스템용 에뮬레이터 검출 방법
CN103628961B (zh) 监测氧化催化器的方法
US20160108786A1 (en) System and method to calculate concentration of diesel exhaust fluid (def)
SE0400773L (sv) Metod för att åstadkomma lägre emissioner vid drift av ett fordon samt motordrivet fordon
US10598112B2 (en) Method for adapting the characteristic curve of the nitrogen oxide sensor in an internal combustion engine
KR100999611B1 (ko) 선택적 촉매 환원 장치 내의 암모니아 흡장량 계산 방법
US20220089260A1 (en) Outboard motor
CN108930578A (zh) Doc中毒的检测和保护方法

Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 2

PLSC Publication of the preliminary search report

Effective date: 20180112

PLFP Fee payment

Year of fee payment: 3

PLFP Fee payment

Year of fee payment: 4

PLFP Fee payment

Year of fee payment: 5

PLFP Fee payment

Year of fee payment: 6

PLFP Fee payment

Year of fee payment: 7

CA Change of address

Effective date: 20221014

PLFP Fee payment

Year of fee payment: 8

PLFP Fee payment

Year of fee payment: 9

TP Transmission of property

Owner name: NEW H POWERTRAIN HOLDING, S.L.U., ES

Effective date: 20240705