FR3020830A1 - Vehicule automobile a systeme de depollution ameliore - Google Patents
Vehicule automobile a systeme de depollution ameliore Download PDFInfo
- Publication number
- FR3020830A1 FR3020830A1 FR1454099A FR1454099A FR3020830A1 FR 3020830 A1 FR3020830 A1 FR 3020830A1 FR 1454099 A FR1454099 A FR 1454099A FR 1454099 A FR1454099 A FR 1454099A FR 3020830 A1 FR3020830 A1 FR 3020830A1
- Authority
- FR
- France
- Prior art keywords
- temperature
- module
- nitrogen oxide
- catalytic reduction
- selective catalytic
- 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.)
- Pending
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
- F01N3/0807—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
- F01N3/0814—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with catalytic converters, e.g. NOx absorption/storage reduction 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
- 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
- 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
- F01N9/00—Electrical control of exhaust gas treating 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
- 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
- F01N13/009—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 having two or more separate purifying devices arranged in series
- F01N13/0097—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 having two or more separate purifying devices arranged in series the purifying devices are arranged in a single housing
-
- 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
- F01N2430/06—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics by varying fuel-air ratio, e.g. by enriching fuel-air mixture
-
- 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
- F01N2590/00—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
- F01N2590/11—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for hybrid vehicles
-
- 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
- F01N2610/148—Arrangement of sensors
-
- 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
- F01N2900/14—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
- F01N2900/1602—Temperature of exhaust gas 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
- F01N3/02—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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/08—Exhaust gas treatment apparatus parameters
- F02D2200/0802—Temperature of the exhaust gas treatment 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
- F02D41/027—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus
- F02D41/0275—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus the exhaust gas treating apparatus being a NOx trap or adsorbent
-
- 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)
- Exhaust Gas After Treatment (AREA)
Abstract
Description
Claims (10)
- REVENDICATIONS1. Véhicule automobile comprenant une ligne d'échappement incluant un module de réduction catalytique sélective d'oxyde d'azote (3) et un module d'absorption d'oxyde d'azote par fonctionnement pauvre en mode passif (2), le véhicule comprenant un module de pilotage (9) apte à placer sélectivement le module de réduction catalytique sélective (3) et/ou le module d'absorption (2) en mode actif, caractérisé en ce que le module de pilotage (9) est configuré pour surveiller une température indicative d'une température dans le module d'absorption d'oxyde d'azote (2), comparer cette température surveillée à une température seuil, et placer le module d'absorption d'oxyde d'azote (2) en mode actif lorsque cette température surveillée dépasse cette température seuil, et le module de pilotage (9) est configuré pour surveiller une température indicative d'une température dans le module de réduction catalytique sélective (3), comparer cette température surveillée à une température seuil, et placer le module de réduction catalytique sélective (3) en mode actif lorsque cette température surveillée devient inférieure à cette température seuil.
- 2. Véhicule automobile selon la revendication 1, caractérisé en ce que la température seuil à laquelle est comparée la température indicative de la température dans le module d'absorption d'oxydes d'azote (2) et la température seuil à laquelle est comparée la température indicative de la température dans le module de réduction catalytique sélective (3) sont une même température seuil.
- 3. Véhicule automobile selon la revendication 1 ou la revendication 2, caractérisé en ce que la température seuil à laquelle est comparée la température indicative de la température dans le module d'absorption d'oxydes d'azote (2) est sensiblement égale à 25 220°C.
- 4. Véhicule automobile selon l'une quelconque des revendications précédentes, caractérisé en ce que la température seuil à laquelle est comparée la température indicative de la température dans le module de réduction catalytique sélective (3) est sensiblement égale à 220°C. 30
- 5. Véhicule automobile selon l'une quelconque des revendications précédentes, caractérisé en ce que le module de pilotage (9) est configuré pour comparer la température indicative de la température dans le module de réduction catalytique sélective (3) à une seconde température seuil et pour désactiver le module de réduction catalytique sélective (3) lorsque la température indicative de la température dans le module de 35 réduction catalytique sélective (3) devient inférieure à cette seconde température seuil.
- 6. Véhicule automobile selon la revendication précédente, caractérisé en ce que la seconde température seuil est sensiblement égale à 140°C.
- 7. Véhicule automobile selon l'une quelconque des revendications précédentes, caractérisé en ce que la température indicative de la température dans le module d'absorption d'oxyde d'azote (2) est une température prélevée en amont du module d'absorption d'oxyde d'azote (2).
- 8. Véhicule automobile selon l'une quelconque des revendications précédentes, caractérisé en ce que la température indicative de la température dans le module de réduction catalytique sélective (3) est une température prélevée en amont du module de réduction catalytique sélective (3).
- 9. Véhicule automobile selon l'une quelconque des revendications précédentes, caractérisé en ce que le module de pilotage (9) est configuré pour placer le module d'absorption d'oxyde d'azote (2) en mode actif en commandant un fonctionnement du moteur en mode riche.
- 10. Véhicule automobile selon l'une quelconque des revendications précédentes, caractérisé en ce que le module de pilotage (9) est configuré pour désactiver le module d'absorption d'oxyde d'azote (2) lorsque la température indicative de la température dans le module d'absorption d'oxyde d'azote (2) dépasse une valeur sensiblement égale à 450°C.20
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1454099A FR3020830A1 (fr) | 2014-05-06 | 2014-05-06 | Vehicule automobile a systeme de depollution ameliore |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1454099A FR3020830A1 (fr) | 2014-05-06 | 2014-05-06 | Vehicule automobile a systeme de depollution ameliore |
Publications (1)
Publication Number | Publication Date |
---|---|
FR3020830A1 true FR3020830A1 (fr) | 2015-11-13 |
Family
ID=51210604
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1454099A Pending FR3020830A1 (fr) | 2014-05-06 | 2014-05-06 | Vehicule automobile a systeme de depollution ameliore |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR3020830A1 (fr) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2822498A1 (fr) * | 2001-03-22 | 2002-09-27 | Daimler Chrysler Ag | Procede de diminution de la teneur en oxyde d'azote dans les gaz d'echappement d'un moteur a combustion interne susceptible de fonctionner en alternance de modes pauvre-riche |
WO2008022751A2 (fr) * | 2006-08-19 | 2008-02-28 | Umicore Ag & Co. Kg | procédé de gestion d'une installation d'épuration des gaz d'échappement d'un moteur à essence fonctionnant en conditions pauvres |
US20090173064A1 (en) * | 2008-01-03 | 2009-07-09 | Gm Global Technology Operations, Inc. | EXHAUST SYSTEM WITH IMPROVED NOx EMISSION CONTROL |
FR2941874A1 (fr) * | 2009-02-06 | 2010-08-13 | Inst Francais Du Petrole | Procede de traitement en depollution des oxydes d'azote contenus dans des gaz d'echappement d'un moteur a combustion interne |
-
2014
- 2014-05-06 FR FR1454099A patent/FR3020830A1/fr active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2822498A1 (fr) * | 2001-03-22 | 2002-09-27 | Daimler Chrysler Ag | Procede de diminution de la teneur en oxyde d'azote dans les gaz d'echappement d'un moteur a combustion interne susceptible de fonctionner en alternance de modes pauvre-riche |
WO2008022751A2 (fr) * | 2006-08-19 | 2008-02-28 | Umicore Ag & Co. Kg | procédé de gestion d'une installation d'épuration des gaz d'échappement d'un moteur à essence fonctionnant en conditions pauvres |
US20090173064A1 (en) * | 2008-01-03 | 2009-07-09 | Gm Global Technology Operations, Inc. | EXHAUST SYSTEM WITH IMPROVED NOx EMISSION CONTROL |
FR2941874A1 (fr) * | 2009-02-06 | 2010-08-13 | Inst Francais Du Petrole | Procede de traitement en depollution des oxydes d'azote contenus dans des gaz d'echappement d'un moteur a combustion interne |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US8683781B2 (en) | Method for controlling an exhaust-gas aftertreatment device of a hybrid drive, and hybrid drive | |
EP2943663B1 (fr) | Procede de controle de la depollution en oxydes d'azote dans un vehicule automobile | |
EP3230564A1 (fr) | Dispositif de post-traitement des gaz d'echappement d'un moteur a combustion | |
EP3017158B1 (fr) | Système et procédé de régénération d'un matériau adsorbeur d'oxydes d'azote | |
FR2970298A1 (fr) | Ligne d'echappement de gaz d'echappement d'un moteur a combustion interne et vehicule correspondant | |
JP2008196375A (ja) | 内燃機関の排気浄化装置 | |
US20120047878A1 (en) | Exhaust purification system of internal combustion engine | |
FR3007793A1 (fr) | Ligne d'echappement apte a depolluer des gaz d'echappement selon deux modes de fonctionnement | |
EP2993320B1 (fr) | Véhicule automobile à dispositif de dépollution de gaz d'échappement amélioré | |
FR3048720A1 (fr) | Procede d'optimisation de la consommation d'agent reducteur dans une ligne d'echappement d'un vehicule automobile | |
FR3020830A1 (fr) | Vehicule automobile a systeme de depollution ameliore | |
FR3096403A1 (fr) | Système de post-traitement des gaz d’échappement d’une ligne d’échappement d’un moteur à combustion interne à allumage commandé | |
FR2975433A1 (fr) | Dispositif de traitement des oxydes d'azote s'evacuant dans une ligne d'echappement d'un moteur thermique | |
FR3021695A1 (fr) | Dispositif de post-traitement des gaz d'echappement d'un moteur a combustion | |
WO2011114028A1 (fr) | Procede de controle des emissions polluantes d'un moteur hybride de vehicule | |
CN106605048B (zh) | 排气后处理装置中的NOx还原控制方法 | |
FR3073897A1 (fr) | Procede de reduction des emissions d'oxydes d'azote d'un moteur thermique | |
FR3007792A1 (fr) | Ligne d'echappement de gaz d'echappement d'un moteur thermique | |
WO2015170031A1 (fr) | Véhicule automobile a autonomie augmentée en réducteur d'oxydes d'azote | |
EP2439385B1 (fr) | Procédé de post-traitement de gaz d'échappement d'un moteur à combustion interne | |
FR3041032A1 (fr) | Dispositif de post-traitement des gaz d’echappement d’un moteur a combustion | |
FR3020831A1 (fr) | Vehicule automobile a fonction de depollution a basses temperatures | |
US9371763B2 (en) | Method of operating an exhaust gas treatment system to prevent quenching during regeneration | |
WO2015170032A1 (fr) | Véhicule automobile a maintien de fonction de dépollution | |
EP3369905A1 (fr) | Véhicule intégrant un système de post-traitement des gaz d' échappement d'un moteur à combustion |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PLFP | Fee payment |
Year of fee payment: 2 |
|
PLSC | Publication of the preliminary search report |
Effective date: 20151113 |
|
PLFP | Fee payment |
Year of fee payment: 3 |
|
PLFP | Fee payment |
Year of fee payment: 4 |
|
PLFP | Fee payment |
Year of fee payment: 5 |
|
CA | Change of address |
Effective date: 20180312 |
|
CD | Change of name or company name |
Owner name: PEUGEOT CITROEN AUTOMOBILES SA, FR Effective date: 20180312 |
|
PLFP | Fee payment |
Year of fee payment: 6 |
|
PLFP | Fee payment |
Year of fee payment: 7 |
|
PLFP | Fee payment |
Year of fee payment: 8 |
|
RX | Complete rejection |
Effective date: 20211216 |