FR2923267B1 - Procede de regeneration d'un nox-trap de vehicule automobile - Google Patents

Procede de regeneration d'un nox-trap de vehicule automobile

Info

Publication number
FR2923267B1
FR2923267B1 FR0707766A FR0707766A FR2923267B1 FR 2923267 B1 FR2923267 B1 FR 2923267B1 FR 0707766 A FR0707766 A FR 0707766A FR 0707766 A FR0707766 A FR 0707766A FR 2923267 B1 FR2923267 B1 FR 2923267B1
Authority
FR
France
Prior art keywords
nox
trap
regenerating
motor vehicle
tdc
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
FR0707766A
Other languages
English (en)
Other versions
FR2923267A1 (fr
Inventor
Alexandre Michel
Sami Belhalfaoui
Johann William
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 FR0707766A priority Critical patent/FR2923267B1/fr
Publication of FR2923267A1 publication Critical patent/FR2923267A1/fr
Application granted granted Critical
Publication of FR2923267B1 publication Critical patent/FR2923267B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D41/0047—Controlling exhaust gas recirculation [EGR]
    • F02D41/005—Controlling exhaust gas recirculation [EGR] according to engine operating conditions
    • F02D41/0055—Special engine operating conditions, e.g. for regeneration of 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
    • F02D41/30—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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/04—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning exhaust conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/02—EGR systems specially adapted for supercharged engines
    • F02M26/04—EGR systems specially adapted for supercharged engines with a single turbocharger
    • F02M26/05—High pressure loops, i.e. wherein recirculated exhaust gas is taken out from the exhaust system upstream of the turbine and reintroduced into the intake system downstream of the compressor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/02—EGR systems specially adapted for supercharged engines
    • F02M26/04—EGR systems specially adapted for supercharged engines with a single turbocharger
    • F02M26/06—Low pressure loops, i.e. wherein recirculated exhaust gas is taken out from the exhaust downstream of the turbocharger turbine and reintroduced into the intake system upstream of the compressor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/02—EGR systems specially adapted for supercharged engines
    • F02M26/09—Constructional details, e.g. structural combinations of EGR systems and supercharger systems; Arrangement of the EGR and supercharger systems with respect to the engine
    • F02M26/10—Constructional details, e.g. structural combinations of EGR systems and supercharger systems; Arrangement of the EGR and supercharger systems with respect to the engine having means to increase the pressure difference between the exhaust and intake system, e.g. venturis, variable geometry turbines, check valves using pressure pulsations or throttles in the air intake or exhaust system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/14—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the exhaust system
    • F02M26/15—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the exhaust system in relation to engine exhaust purifying apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
    • F02B29/04—Cooling of air intake supply
    • F02B29/0406—Layout of the intake air cooling or coolant circuit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
    • 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)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust-Gas Circulating Devices (AREA)

Abstract

Procédé de gestion de l'injection dans un moteur diesel dans le mode de régénération d'un NOx-Trap, caractérisé en ce qu'il comprend les étapes suivantes :-utilisation d'un taux de recirculation EGR élevé, supérieur ou égal à40%;-multi-injections de carburant sous forte pression rail, phasées à proximité du point mort haut (PMH).
FR0707766A 2007-11-05 2007-11-05 Procede de regeneration d'un nox-trap de vehicule automobile Expired - Fee Related FR2923267B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0707766A FR2923267B1 (fr) 2007-11-05 2007-11-05 Procede de regeneration d'un nox-trap de vehicule automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0707766A FR2923267B1 (fr) 2007-11-05 2007-11-05 Procede de regeneration d'un nox-trap de vehicule automobile

Publications (2)

Publication Number Publication Date
FR2923267A1 FR2923267A1 (fr) 2009-05-08
FR2923267B1 true FR2923267B1 (fr) 2014-02-07

Family

ID=39495721

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0707766A Expired - Fee Related FR2923267B1 (fr) 2007-11-05 2007-11-05 Procede de regeneration d'un nox-trap de vehicule automobile

Country Status (1)

Country Link
FR (1) FR2923267B1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3985083B2 (ja) * 1998-09-29 2007-10-03 マツダ株式会社 ディーゼルエンジンの排気浄化装置
JP2000320386A (ja) * 1999-03-10 2000-11-21 Mazda Motor Corp ディーゼルエンジンの燃料噴射装置
JP3546829B2 (ja) * 2000-10-04 2004-07-28 トヨタ自動車株式会社 圧縮着火式内燃機関
DE10201016A1 (de) * 2002-01-11 2003-07-24 Daimler Chrysler Ag Verfahren zum Betrieb einer Brennkraftmaschine mit Abgasreinigungsanlage und Brennkraftmaschine
FR2876416B1 (fr) * 2004-10-11 2007-01-26 Renault Sas Moteur a combustion interne suralimente dote d'un circuit de recirculation de gaz brules
FR2880070B1 (fr) * 2004-12-29 2007-03-16 Renault Sas Procede de gestion de l'injection de carburant dans un moteur diesel equipe d'un piege a oxyde d'azote

Also Published As

Publication number Publication date
FR2923267A1 (fr) 2009-05-08

Similar Documents

Publication Publication Date Title
DE102005001046B4 (de) Verfahren zum Betrieb eines Hybridfahrzeugs sowie Hybridfahrzeug mit einem mit einer Elektromaschine gekoppelten Mehrzylinderverbrennungsmotor
CN101932816B (zh) 控制火花点火式直喷内燃机中的模式转换的方法和装置
EP1281852A3 (fr) Méthode pour lancer la régénération d'un filtre à particules pour un moteur diesel à injection directe avec système d'injection à common-rail
EP1035314A3 (fr) Method pour commander la combustion d'un moteur diesel a injection directe a l'aide d'injection multiples
FR2792036B1 (fr) Systeme d'aide a la regeneration d'un filtre a particules integre dans une ligne d'echappement d'un moteur diesel notamment de vehicule automobile
RU2008111153A (ru) Система и способ управления предварительным впрыском
JP2007187154A5 (fr)
WO2009007820A3 (fr) Appareil de commande et procédé d'arrêt-démarrage pour moteur à combustion interne
BRPI0502025A (pt) Método e sistema de injeção direta de combustìvel em um motor a combustão interna
JP2015113790A (ja) 内燃機関の制御装置
JP2010501052A (ja) Ｄｐｆの再生に向けた排気温度の上昇を行うための排気行程ポスト噴射
CN1721663A (zh) 用于内燃机的排气净化设备
EP2075449A3 (fr) Dispositif de contrôle de la pression de carburant d'un moteur
EP2048342A3 (fr) Stratégie de post-injection tardive de carburant dans un moteur diesel multicylindre au cours de la régénération d'un dispositif post-traitement d'échappement
EP1746274A3 (fr) Procédé et dispositif de contrôle de carburant
Veza et al. Strategies to achieve controlled auto-ignition (CAI) combustion: A review
FR2923267B1 (fr) Procede de regeneration d'un nox-trap de vehicule automobile
US20080202099A1 (en) Fuel control of an internal-combustion engine
WO2009099818A8 (fr) Procédé et appareil pour régénérer un dispositif de post-traitement pour un moteur à injection directe et à allumage par étincelles
WO2009019588A3 (fr) Système de commande d'injection de carburant et procédé de commande d'injection de carburant pour moteur à combustion interne à allumage commandé
JP2017020445A (ja) 内燃機関の制御装置
JP6148636B2 (ja) エンジン
FR2809770B1 (fr) Systeme d'aide a la regeneration d'un filtre a particules integre dans une ligne d'echappement d'un moteur diesel de vehicule automobile
FR2872213B1 (fr) Systeme d'aide a la regeneration de moyens de depollution pour moteur de vehicule automobile
Ghaffarpour et al. NOx reduction in diesel engines using rate shaping and pilot injection

Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 9

PLFP Fee payment

Year of fee payment: 10

PLFP Fee payment

Year of fee payment: 11

PLFP Fee payment

Year of fee payment: 13

PLFP Fee payment

Year of fee payment: 14

PLFP Fee payment

Year of fee payment: 15

ST Notification of lapse

Effective date: 20230705