WO2009047465A3 - Procede de diagnostic du volet de derivation de l'echangeur dans un systeme de recirculation des gaz d'echappement - Google Patents

Procede de diagnostic du volet de derivation de l'echangeur dans un systeme de recirculation des gaz d'echappement Download PDF

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Publication number
WO2009047465A3
WO2009047465A3 PCT/FR2008/051689 FR2008051689W WO2009047465A3 WO 2009047465 A3 WO2009047465 A3 WO 2009047465A3 FR 2008051689 W FR2008051689 W FR 2008051689W WO 2009047465 A3 WO2009047465 A3 WO 2009047465A3
Authority
WO
WIPO (PCT)
Prior art keywords
egr
exchanger
bypass
diagnosing
flap
Prior art date
Application number
PCT/FR2008/051689
Other languages
English (en)
Other versions
WO2009047465A2 (fr
Inventor
Julien Allard
Clement Petit
Bras Ronan Le
Original Assignee
Renault Sa
Julien Allard
Clement Petit
Bras Ronan Le
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 Sa, Julien Allard, Clement Petit, Bras Ronan Le filed Critical Renault Sa
Priority to US12/679,197 priority Critical patent/US20100307231A1/en
Priority to JP2010525412A priority patent/JP2010539390A/ja
Priority to EP08837336.0A priority patent/EP2191125B1/fr
Publication of WO2009047465A2 publication Critical patent/WO2009047465A2/fr
Publication of WO2009047465A3 publication Critical patent/WO2009047465A3/fr

Links

Classifications

    • 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
    • F02M26/45—Sensors specially adapted for EGR systems
    • F02M26/46—Sensors specially adapted for EGR systems for determining the characteristics of gases, e.g. composition
    • F02M26/47—Sensors specially adapted for EGR systems for determining the characteristics of gases, e.g. composition the characteristics being temperatures, pressures or flow rates
    • 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
    • F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
    • F02M26/23—Layout, e.g. schematics
    • F02M26/25—Layout, e.g. schematics with coolers having bypasses
    • 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
    • F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
    • F02M26/33—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage controlling the temperature of the recirculated gases
    • 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
    • F02M26/49—Detecting, diagnosing or indicating an abnormal function of the EGR system
    • 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
    • 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]
    • F02D41/0065—Specific aspects of external EGR control
    • F02D2041/0067—Determining the EGR temperature
    • 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
    • F02D41/22—Safety or indicating devices for abnormal conditions
    • F02D41/221—Safety or indicating devices for abnormal conditions relating to the failure of actuators or electrically driven elements
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Analytical Chemistry (AREA)
  • Exhaust-Gas Circulating Devices (AREA)

Abstract

La présente invention concerne un procédé de diagnostic d'une défaillance du circuit EGR (20) d'un moteur comprenant un échangeur EGR (22), une vanne EGR (21 ), un conduit de dérivation (24) de l' échangeur EGR, et un volet (23a) dit de by-pass, disposé en amont de l' échangeur EGR (22) et du conduit de dérivation (24) de manière à réguler la proportion des gaz d'échappement passant dans ceux-ci, le circuit EGR (20) étant apte à être activé selon un mode dit refroidi, où le volet (23a) est fermé, et un mode dit by-pass, où le volet (23a) est ouvert. Ce procédé comprend une étape d'estimation de la température des gaz d'échappement (T.sEGRest_byp) à la sortie de l'enchangeur EGR (22) lorsque le circuit EGR (20) est en mode by-pass; cette température est comparée à deux seuils pour déterminer si la valve est bloquée en position by-pass ou refroidissement la température des gas EGR est estimée en calculant trois efficacités basées sur la température en entrée du circuit EGR, la température du fluide de refroidissement d l' échangeur EGR, la température en amont du circuit EGR et la température à l'entrée de l'enchangeur EGR.
PCT/FR2008/051689 2007-09-20 2008-09-19 Procede de diagnostic du volet de derivation de l'echangeur dans un systeme de recirculation des gaz d'echappement WO2009047465A2 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US12/679,197 US20100307231A1 (en) 2007-09-20 2008-09-19 Method for diagnosing the bypass flap of an exchanger in an exhaust gas recirculation system
JP2010525412A JP2010539390A (ja) 2007-09-20 2008-09-19 排気ガス再循環システムの熱交換器のバイパスフラップを診断する方法
EP08837336.0A EP2191125B1 (fr) 2007-09-20 2008-09-19 Procede de diagnostic du volet de derivation de l'echangeur dans un systeme de recirculation des gaz d'echappement

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0757714 2007-09-20
FR0757714A FR2921426B1 (fr) 2007-09-20 2007-09-20 Procede de diagnostic du volet de derivation de l'echangeur dans un systeme de recirculation des gaz d'echappement

Publications (2)

Publication Number Publication Date
WO2009047465A2 WO2009047465A2 (fr) 2009-04-16
WO2009047465A3 true WO2009047465A3 (fr) 2009-06-04

Family

ID=39402754

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FR2008/051689 WO2009047465A2 (fr) 2007-09-20 2008-09-19 Procede de diagnostic du volet de derivation de l'echangeur dans un systeme de recirculation des gaz d'echappement

Country Status (5)

Country Link
US (1) US20100307231A1 (fr)
EP (1) EP2191125B1 (fr)
JP (1) JP2010539390A (fr)
FR (1) FR2921426B1 (fr)
WO (1) WO2009047465A2 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8342015B2 (en) 2007-09-20 2013-01-01 Renault S.A.S. Method for diagnosing the exchanger bypass flap in an exhaust gas recirculation circuit
FR2938016B1 (fr) * 2008-10-30 2010-10-29 Renault Sas Procede d'estimation dynamique du debit d'air frais alimentant un moteur avec circuits egr haute et basse pression
JP5251844B2 (ja) * 2009-11-24 2013-07-31 トヨタ自動車株式会社 冷却装置の異常判定装置および冷却装置の異常判定方法
US9127606B2 (en) * 2010-10-20 2015-09-08 Ford Global Technologies, Llc System for determining EGR degradation
US9476387B2 (en) * 2011-05-13 2016-10-25 Ford Global Technologies, Llc System for determining EGR cooler degradation
SE537803C2 (sv) * 2011-09-30 2015-10-20 Scania Cv Ab EGR-kylare samt förbränningsmotor med en sådan EGR-kylare
US9670830B2 (en) * 2014-10-29 2017-06-06 GM Global Technology Operations LLC Method and apparatus for monitoring a coolant system for an exhaust gas recirculation system
KR101896326B1 (ko) * 2016-09-09 2018-09-07 현대자동차 주식회사 수냉식 이지알 쿨러
US20180128145A1 (en) * 2016-11-09 2018-05-10 Ford Global Technologies, Llc Method and system for an exhaust diverter valve
DE102017210714A1 (de) 2017-06-26 2018-12-27 Wafios Aktiengesellschaft Verfahren zur Herstellung eines Biegeteils und Biegemaschine zur Durchführung des Verfahrens
US11932080B2 (en) 2020-08-20 2024-03-19 Denso International America, Inc. Diagnostic and recirculation control systems and methods
US11760170B2 (en) 2020-08-20 2023-09-19 Denso International America, Inc. Olfaction sensor preservation systems and methods
US11881093B2 (en) 2020-08-20 2024-01-23 Denso International America, Inc. Systems and methods for identifying smoking in vehicles
US11828210B2 (en) 2020-08-20 2023-11-28 Denso International America, Inc. Diagnostic systems and methods of vehicles using olfaction
US11813926B2 (en) 2020-08-20 2023-11-14 Denso International America, Inc. Binding agent and olfaction sensor
US11636870B2 (en) 2020-08-20 2023-04-25 Denso International America, Inc. Smoking cessation systems and methods
US11760169B2 (en) 2020-08-20 2023-09-19 Denso International America, Inc. Particulate control systems and methods for olfaction sensors

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030213230A1 (en) * 2002-05-20 2003-11-20 Shigeto Yahata Exhaust gas recirculation system having cooler
EP1416139A2 (fr) * 2002-11-01 2004-05-06 Toyota Jidosha Kabushiki Kaisha Système d'estimation de température des gaz d'échappement recirculés dans un moteur à combustion interne
US20060042608A1 (en) * 2004-08-28 2006-03-02 Rainer Buck Method and device for operating an internal combustion engine having exhaust-gas recirculation
JP2006291921A (ja) * 2005-04-14 2006-10-26 Honda Motor Co Ltd 内燃機関のｅｇｒ装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6085732A (en) * 1999-01-25 2000-07-11 Cummins Engine Co Inc EGR fault diagnostic system
JP4498831B2 (ja) * 2004-06-15 2010-07-07 トヨタ自動車株式会社 内燃機関の排気循環装置
JP2006242080A (ja) * 2005-03-02 2006-09-14 Denso Corp 排気還流装置の異常診断装置
FR2908825B1 (fr) * 2006-11-17 2009-01-30 Renault Sas Estimation d'une temperature de gaz d'echappement en sortie d'un circuit egr d'un moteur a combustion
JP5011990B2 (ja) * 2006-12-06 2012-08-29 いすゞ自動車株式会社 Ｅｇｒシステムの故障判定方法及びｅｇｒシステムの故障判定システム
US8342015B2 (en) * 2007-09-20 2013-01-01 Renault S.A.S. Method for diagnosing the exchanger bypass flap in an exhaust gas recirculation circuit
US7918129B2 (en) * 2008-05-27 2011-04-05 GM Global Technology Operations LLC Diagnostic systems for cooling systems for internal combustion engines

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030213230A1 (en) * 2002-05-20 2003-11-20 Shigeto Yahata Exhaust gas recirculation system having cooler
EP1416139A2 (fr) * 2002-11-01 2004-05-06 Toyota Jidosha Kabushiki Kaisha Système d'estimation de température des gaz d'échappement recirculés dans un moteur à combustion interne
US20060042608A1 (en) * 2004-08-28 2006-03-02 Rainer Buck Method and device for operating an internal combustion engine having exhaust-gas recirculation
JP2006291921A (ja) * 2005-04-14 2006-10-26 Honda Motor Co Ltd 内燃機関のｅｇｒ装置

Also Published As

Publication number Publication date
JP2010539390A (ja) 2010-12-16
EP2191125A2 (fr) 2010-06-02
US20100307231A1 (en) 2010-12-09
FR2921426A1 (fr) 2009-03-27
EP2191125B1 (fr) 2017-06-14
FR2921426B1 (fr) 2014-02-14
WO2009047465A2 (fr) 2009-04-16

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