FR3029973A1 - Procede de surveillance d'un dispositif de catalyse d'oxydation - Google Patents
Procede de surveillance d'un dispositif de catalyse d'oxydation Download PDFInfo
- Publication number
- FR3029973A1 FR3029973A1 FR1462429A FR1462429A FR3029973A1 FR 3029973 A1 FR3029973 A1 FR 3029973A1 FR 1462429 A FR1462429 A FR 1462429A FR 1462429 A FR1462429 A FR 1462429A FR 3029973 A1 FR3029973 A1 FR 3029973A1
- Authority
- FR
- France
- Prior art keywords
- oxidation
- catalyst device
- oxidation catalyst
- monitored
- degradation
- 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.)
- Granted
Links
- 230000003647 oxidation Effects 0.000 title claims abstract description 122
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 122
- 238000000034 method Methods 0.000 title claims abstract description 45
- 238000012544 monitoring process Methods 0.000 title claims abstract description 33
- 238000006555 catalytic reaction Methods 0.000 title claims description 19
- 239000000446 fuel Substances 0.000 claims abstract description 69
- 238000012360 testing method Methods 0.000 claims abstract description 41
- 230000015556 catabolic process Effects 0.000 claims abstract description 39
- 238000006731 degradation reaction Methods 0.000 claims abstract description 39
- 238000012512 characterization method Methods 0.000 claims abstract description 38
- 230000007423 decrease Effects 0.000 claims abstract description 20
- 238000002347 injection Methods 0.000 claims abstract description 19
- 239000007924 injection Substances 0.000 claims abstract description 19
- 238000002485 combustion reaction Methods 0.000 claims abstract description 18
- 239000003054 catalyst Substances 0.000 claims description 93
- 230000003197 catalytic effect Effects 0.000 claims description 21
- 238000003745 diagnosis Methods 0.000 claims description 17
- 238000011002 quantification Methods 0.000 claims description 3
- 230000003213 activating effect Effects 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 description 17
- 229930195733 hydrocarbon Natural products 0.000 description 11
- 150000002430 hydrocarbons Chemical class 0.000 description 10
- 239000007789 gas Substances 0.000 description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 230000032683 aging Effects 0.000 description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 description 4
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- 238000010531 catalytic reduction reaction Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- -1 Methan HydroCarbons Chemical class 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000011905 homologation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000001272 nitrous oxide Substances 0.000 description 1
- GQPLMRYTRLFLPF-UHFFFAOYSA-N nitrous oxide Inorganic materials [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
-
- 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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/008—Mounting or arrangement of exhaust sensors in or on 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
- F01N3/103—Oxidation catalysts for HC and CO only
-
- 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
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
- F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
- F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
- F02D41/024—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to increase temperature of the exhaust gas treating apparatus
- F02D41/025—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to increase temperature of the exhaust gas treating apparatus by changing the composition of the exhaust gas, e.g. for exothermic reaction on exhaust gas treating apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
- F02D41/402—Multiple injections
- F02D41/405—Multiple injections with post injections
-
- 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
- F01N2430/00—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics
- F01N2430/08—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics by modifying ignition or injection timing
- F01N2430/085—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics by modifying ignition or injection timing at least a part of the injection taking place during expansion or exhaust stroke
-
- 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
- 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
- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
- F01N2560/06—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a temperature sensor
-
- 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
- F01N2610/03—Adding substances to exhaust gases the substance being hydrocarbons, e.g. engine 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
- 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
- F01N2900/04—Methods of control or diagnosing
- F01N2900/0416—Methods of control or diagnosing using the state of a sensor, e.g. of an exhaust gas sensor
-
- 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
- F01N2900/14—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
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
- F01N3/035—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate filters
-
- 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
- F01N3/101—Three-way catalysts
-
- 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)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Analytical Chemistry (AREA)
- Materials Engineering (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
Description
Claims (10)
- REVENDICATIONS1. Procédé de surveillance d'un dispositif de catalyse d'oxydation disposé dans une ligne d'échappement d'un moteur à combustion interne d'un véhicule, caractérisé en ce qu'il comprend les étapes suivantes : - On active ledit procédé de surveillance en cours de fonctionnement du moteur à combustion interne dans une plage prédéterminée de températures d'entrée (2) et de sortie (3) du dispositif de catalyse d'oxydation, - Dans ladite plage prédéterminée de températures d'entrée, on injecte par palier (5, 6) des quantités successives prédéterminées de carburant à l'entrée dudit dispositif de catalyse d'oxydation, une quantité prédéterminée de carburant étant injectée pour chaque palier, ladite quantité prédéterminée de carburant étant supérieure à la quantité injectée lors du palier précédent, - On relève la température en sortie (3) dudit dispositif de catalyse d'oxydation, après chaque quantité prédéterminée de carburant injectée par palier, - On relève la quantité totale injectée pour un palier donné, pour laquelle la température en sortie de dispositif de catalyse d'oxydation commence à décroître, cet évènement déterminant une caractérisation dudit dispositif de catalyse d'oxydation surveillé, - On compare ensuite ladite caractérisation déterminée du dispositif de catalyse d'oxydation surveillé, à une caractérisation test d'un dispositif de catalyse d'oxydation similaire qui a été préalablement établie pour déterminer un seuil à ne pas dépasser de dégradation du dispositif de catalyse d'oxydation surveillé, puis on établit un diagnostic comme suit : - Si ladite caractérisation déterminée range ledit dispositif de catalyse d'oxydation surveillé au-delà dudit seuil à ne pas dépasser de dégradation, alors un diagnostic de défaut du dispositif de catalyse d'oxydation est renseigné dans le véhicule, et - Si ladite caractérisation déterminée range ledit dispositif de catalyse d'oxydation surveillé sous ou au niveau dudit seuil à ne pas dépasser de dégradation, alors un diagnostic de dispositif de catalyse d'oxydation opérationnel est effectué.
- 2. Procédé de surveillance selon la revendication 1, dans lequel ladite caractérisation test détermine une quantité test totale de carburant injectée dans un 3029973 14 dispositif de catalyse d'oxydation similaire, qui correspond au dit seuil à ne pas dépasser de dégradation du dispositif de catalyse d'oxydation surveillé.
- 3. Procédé de surveillance selon l'une des revendications 1 ou 2, dans lequel on établit une échelle de diagnostics de dégradation du dispositif de catalyse d'oxydation 5 surveillé en fonction d'une quantification de la différence entre la caractérisation déterminée et la caractérisation test, en vue de donner dans le véhicule une mesure de la dégradation du dispositif de catalyse d'oxydation surveillé.
- 4. Procédé de surveillance selon l'une des revendications 2 ou 3, dans lequel une quantité prédéterminée de carburant injectée dans la ligne d'échappement est 10 obtenue en divisant ladite quantité test de carburant en une pluralité de quantités divisionnaires dont la valeur est définie en fonction de la finesse recherchée du diagnostic de dégradation.
- 5. Procédé de surveillance selon la revendication 4, dans lequel, à chaque palier, on incrémente la quantité totale de carburant injectée au palier précédent d'une 15 dite quantité divisionnaire de base.
- 6. Procédé de surveillance selon l'une quelconque des revendications 2 à 5, dans lequel ladite quantité test totale de carburant injectée dans un dispositif de catalyse d'oxydation similaire qui correspond au seuil à ne pas dépasser de dégradation du dispositif de catalyse d'oxydation surveillé, est implémentée dans une unité de contrôle 20 électronique du véhicule.
- 7. Procédé de surveillance selon l'une quelconque des revendications 2 à 6, dans lequel l'établissement préalable de ladite quantité test totale de carburant injectée dans un dispositif de catalyse d'oxydation similaire, comprend les étapes suivantes : - On fait vieillir le dispositif de catalyse d'oxydation similaire, à une limite de 25 dégradation dont on cherche la référence pour établir ledit seuil à ne pas dépasser de dégradation du dispositif de catalyse d'oxydation surveillé dans ladite étape de comparaison, - On relève ensuite la quantité totale de carburant injectée dans ledit dispositif de catalyse d'oxydation similaire, à cette limite de dégradation, à partir de laquelle la 30 température de sortie du dispositif de catalyse d'oxydation va décroître, et qui définit ladite quantité test totale de carburant.
- 8. Procédé de surveillance selon l'une quelconque des revendications 1 à 7, caractérisé en ce qu'il est activé de manière intrusive. 3029973 15
- 9. Procédé de surveillance selon l'une quelconque des revendications 1 à 8, dans lequel ladite température relevée en sortie dudit dispositif de catalyse d'oxydation et qui commence à décroître est comprise entre 150 °Cet 350 °C.
- 10. Dispositif de surveillance de la dégradation d'un dispositif de catalyse 5 d'oxydation disposé dans une ligne d'échappement d'un moteur à combustion interne d'un véhicule, comprenant un dispositif de catalyse d'oxydation, des moyens d'injection successivement par palier de quantités de carburant prédéterminées dans la ligne d'échappement, des moyens de mesure de la température en sortie dudit dispositif de catalyse d'oxydation, des moyens de détermination de la température d'entrée dudit 10 dispositif de catalyse d'oxydation, caractérisé en ce qu'il comprend des moyens pour la mise en oeuvre des étapes d'un procédé selon l'une quelconque des revendications 1 à 9.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1462429A FR3029973B1 (fr) | 2014-12-15 | 2014-12-15 | Procede de surveillance d'un dispositif de catalyse d'oxydation |
CN201510922576.8A CN105697112B (zh) | 2014-12-15 | 2015-12-14 | 用于监测氧化催化装置的方法 |
US14/968,179 US9988963B2 (en) | 2014-12-15 | 2015-12-14 | Method for monitoring an oxidation catalysis device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1462429A FR3029973B1 (fr) | 2014-12-15 | 2014-12-15 | Procede de surveillance d'un dispositif de catalyse d'oxydation |
Publications (2)
Publication Number | Publication Date |
---|---|
FR3029973A1 true FR3029973A1 (fr) | 2016-06-17 |
FR3029973B1 FR3029973B1 (fr) | 2016-12-23 |
Family
ID=52589606
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1462429A Active FR3029973B1 (fr) | 2014-12-15 | 2014-12-15 | Procede de surveillance d'un dispositif de catalyse d'oxydation |
Country Status (3)
Country | Link |
---|---|
US (1) | US9988963B2 (fr) |
CN (1) | CN105697112B (fr) |
FR (1) | FR3029973B1 (fr) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10323561B2 (en) * | 2017-04-19 | 2019-06-18 | GM Global Technology Operations LLC | Methods for monitoring and modelling thermal characteristics of oxidation catalyst devices |
CN107044325B (zh) * | 2017-06-15 | 2019-06-28 | 无锡威孚力达催化净化器有限责任公司 | 柴油机后处理中doc温升性能的监测方法、监测装置及系统 |
CN108331672B (zh) * | 2018-01-31 | 2021-02-09 | 安徽江淮汽车集团股份有限公司 | 发动机零件试验设备 |
JP7162440B2 (ja) * | 2018-04-04 | 2022-10-28 | ボッシュ株式会社 | 触媒の診断装置及び診断方法 |
CN108757114B (zh) * | 2018-05-28 | 2020-01-14 | 安徽江淮汽车集团股份有限公司 | 一种后处理温度控制方法及系统 |
CN109472818B (zh) * | 2018-10-17 | 2021-07-02 | 天津大学 | 一种基于深度神经网络的图像去雾方法 |
JP7265449B2 (ja) * | 2019-08-21 | 2023-04-26 | 日本碍子株式会社 | 触媒劣化診断方法 |
US11636870B2 (en) | 2020-08-20 | 2023-04-25 | Denso International America, Inc. | Smoking cessation systems and methods |
US12017506B2 (en) | 2020-08-20 | 2024-06-25 | Denso International America, Inc. | Passenger cabin air control systems and methods |
US11760169B2 (en) | 2020-08-20 | 2023-09-19 | Denso International America, Inc. | Particulate control systems and methods for olfaction sensors |
US11932080B2 (en) | 2020-08-20 | 2024-03-19 | Denso International America, Inc. | Diagnostic and recirculation control systems and methods |
US11828210B2 (en) | 2020-08-20 | 2023-11-28 | Denso International America, Inc. | Diagnostic systems and methods of vehicles using olfaction |
US11760170B2 (en) | 2020-08-20 | 2023-09-19 | Denso International America, Inc. | Olfaction sensor preservation systems and methods |
US11813926B2 (en) | 2020-08-20 | 2023-11-14 | Denso International America, Inc. | Binding agent and olfaction sensor |
US11881093B2 (en) | 2020-08-20 | 2024-01-23 | Denso International America, Inc. | Systems and methods for identifying smoking in vehicles |
US11473478B1 (en) * | 2021-09-22 | 2022-10-18 | Paccar Inc. | System and method for monitoring an exhaust aftertreatment system |
US11946400B2 (en) * | 2021-10-19 | 2024-04-02 | Paccar Inc | System and method for monitoring an oxidation catalyst |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1323905A1 (fr) * | 2001-12-24 | 2003-07-02 | Renault S.A. | Procédé et dispositif de contrôle de l'état de fonctionnement d'un convertisseur catalytique d'une ligne d'échappement d'un moteur à combustion interne |
FR2917123A1 (fr) * | 2007-06-07 | 2008-12-12 | Renault Sas | Procede de surveillance de l'efficacite catalytique d'un convertisseur catalytique |
JP2014020269A (ja) * | 2012-07-17 | 2014-02-03 | Toyota Motor Corp | 触媒劣化判定装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1291513B1 (fr) | 2001-09-07 | 2010-11-10 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Dispositif de commande des émissions d'un moteur |
JP4095979B2 (ja) | 2004-07-20 | 2008-06-04 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
JP3933172B2 (ja) | 2005-07-15 | 2007-06-20 | いすゞ自動車株式会社 | 排気ガス浄化システムの制御方法及び排気ガス浄化システム |
EP2239432B1 (fr) | 2007-12-26 | 2013-05-29 | Toyota Jidosha Kabushiki Kaisha | Dispositif de purification de gaz d'échappement pour moteur à combustion interne |
JP4569690B2 (ja) * | 2008-09-04 | 2010-10-27 | トヨタ自動車株式会社 | 内燃機関の排気浄化装置 |
EP2216522A1 (fr) | 2009-02-05 | 2010-08-11 | Delphi Technologies Holding S.à.r.l. | Diagnostic d'un catalyseur d'oxydation à bord du véhicule |
EP2431585A1 (fr) * | 2009-05-15 | 2012-03-21 | Toyota Jidosha Kabushiki Kaisha | Dispositif de commande d'émission d'échappement pour moteur à combustion interne |
GB2504360B (en) | 2012-07-27 | 2016-03-23 | Perkins Engines Co Ltd | Exhaust fluid treatment apparatus funtionality check |
-
2014
- 2014-12-15 FR FR1462429A patent/FR3029973B1/fr active Active
-
2015
- 2015-12-14 CN CN201510922576.8A patent/CN105697112B/zh active Active
- 2015-12-14 US US14/968,179 patent/US9988963B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1323905A1 (fr) * | 2001-12-24 | 2003-07-02 | Renault S.A. | Procédé et dispositif de contrôle de l'état de fonctionnement d'un convertisseur catalytique d'une ligne d'échappement d'un moteur à combustion interne |
FR2917123A1 (fr) * | 2007-06-07 | 2008-12-12 | Renault Sas | Procede de surveillance de l'efficacite catalytique d'un convertisseur catalytique |
JP2014020269A (ja) * | 2012-07-17 | 2014-02-03 | Toyota Motor Corp | 触媒劣化判定装置 |
Also Published As
Publication number | Publication date |
---|---|
US20160169076A1 (en) | 2016-06-16 |
CN105697112B (zh) | 2018-06-29 |
CN105697112A (zh) | 2016-06-22 |
US9988963B2 (en) | 2018-06-05 |
FR3029973B1 (fr) | 2016-12-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR3029973A1 (fr) | Procede de surveillance d'un dispositif de catalyse d'oxydation | |
EP1323905B1 (fr) | Procédé et dispositif de contrôle de l'état de fonctionnement d'un convertisseur catalytique d'une ligne d'échappement d'un moteur à combustion interne | |
EP2283212A1 (fr) | Procede et dispositif de reconnaissance d'une combustion dans un filtre a particules | |
FR2964697A1 (fr) | Procede de surveillance de l'aptitude a la conversion de produits polluants dans un systeme de post-traitement des gaz d'echappement | |
FR2971811A1 (fr) | Procede de gestion d'une installation de gaz d'echappement d'un moteur a combustion interne | |
EP2134940B1 (fr) | 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 | |
EP1809878A1 (fr) | Dispositif de controle de l'etat de fonctionnement d'un convertisseur catalytique d'une ligne d'echappement d'un moteur a combustion interne et moteur comprenant un tel dispositif | |
EP1834074B1 (fr) | Protection d'un catalyseur d'oxydation place en amont de filtre à particules pour moteur diesel par limitation de carburant injecte | |
FR2916017A1 (fr) | Procede de surveillance de l'efficacite d'un convertisseur catalytique stockant les nox implante dans une ligne d'echappement d'un moteur a combustion interne et moteur comportant un dispositif mettant en oeuvre ledit procede | |
EP2423477B1 (fr) | Procédé de détermination de l'état physique d'un filtre à particules | |
FR2807473A1 (fr) | Dispositif et procede pour coordonner des mesures a prendre concernant les gaz d'echappement | |
FR3094752A1 (fr) | Procede de diagnostic de presence de gel dans un piquage d'un capteur de pression differentielle | |
FR2914693A1 (fr) | Procede et dispositif de diagnostic du fonctionnement d'un organe de traitement d'effluents gazeux | |
FR2910535A1 (fr) | Moteur a combustion interne pour vehicule automobile comprenant un dispositif de filtrage et procede de controle correspondant | |
EP2992193B1 (fr) | Dispositif et procédé de contrôle de l'état de fonctionnement d'un organe de traitement d'effluents gazeux d'une ligne d'échappement d'un moteur à combustion interne | |
FR3057022A1 (fr) | Procede de surveillance d'un catalyseur associe a un moteur a allumage commande | |
EP1413720B1 (fr) | Procédé de détermination de la température interne d'un filtre à particules, procédé de commande de la génération du filtre à particules, système de commande et filtre à particules correspondant | |
FR3030622A1 (fr) | Procede de surveillance d'un catalyseur d'oxydation de methane | |
EP3034827B1 (fr) | Procédé de diagnostic d'un piège à oxydes d'azote et dispositif associé | |
FR2919667A3 (fr) | Systeme et procede de diagnostic de changement de filtre a particules | |
FR2918113A1 (fr) | Procede de diagnostic de l'etat de fonctionnement d'un convertisseur catalytique d'une ligne d'echappement d'un moteur a combustion interne. | |
FR2985771A3 (fr) | Regeneration d'un piege a oxydes d'azote | |
FR2933737A1 (fr) | Procede de detection de soufre dans un carburant et moteur a combustion interne utilisant ce procede | |
FR3093133A1 (fr) | Procédé d’estimation du vieillissement d’un catalyseur d’oxydation | |
FR2949816A1 (fr) | Procede de surveillance d'une ligne d'echappement et diagnostic de defaillance |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PLFP | Fee payment |
Year of fee payment: 2 |
|
PLSC | Publication of the preliminary search report |
Effective date: 20160617 |
|
PLFP | Fee payment |
Year of fee payment: 3 |
|
PLFP | Fee payment |
Year of fee payment: 4 |
|
PLFP | Fee payment |
Year of fee payment: 6 |
|
PLFP | Fee payment |
Year of fee payment: 7 |
|
TP | Transmission of property |
Owner name: VITESCO TECHNOLOGIES, DE Effective date: 20210309 |
|
PLFP | Fee payment |
Year of fee payment: 8 |
|
CA | Change of address |
Effective date: 20220103 |
|
PLFP | Fee payment |
Year of fee payment: 9 |
|
PLFP | Fee payment |
Year of fee payment: 10 |