FR2997498B1 - METHOD FOR DIAGNOSING A GAS RECIRCULATION SYSTEM AND ASSOCIATED SYSTEM - Google Patents

METHOD FOR DIAGNOSING A GAS RECIRCULATION SYSTEM AND ASSOCIATED SYSTEM

Info

Publication number
FR2997498B1
FR2997498B1 FR1260394A FR1260394A FR2997498B1 FR 2997498 B1 FR2997498 B1 FR 2997498B1 FR 1260394 A FR1260394 A FR 1260394A FR 1260394 A FR1260394 A FR 1260394A FR 2997498 B1 FR2997498 B1 FR 2997498B1
Authority
FR
France
Prior art keywords
diagnosing
gas recirculation
recirculation
gas
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
FR1260394A
Other languages
French (fr)
Other versions
FR2997498A1 (en
Inventor
Sylvain Livonnet
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 FR1260394A priority Critical patent/FR2997498B1/en
Publication of FR2997498A1 publication Critical patent/FR2997498A1/en
Application granted granted Critical
Publication of FR2997498B1 publication Critical patent/FR2997498B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D35/00Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
    • F02D35/02Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
    • F02D35/023Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions by determining the cylinder pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/49Detecting, diagnosing or indicating an abnormal function of the EGR system
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/0002Controlling intake air
    • F02D41/0007Controlling intake air for control of turbo-charged or super-charged engines
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/0025Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D41/0047Controlling exhaust gas recirculation [EGR]
    • F02D41/005Controlling exhaust gas recirculation [EGR] according to engine operating conditions
    • F02D41/0055Special engine operating conditions, e.g. for regeneration of exhaust gas treatment apparatus
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/30Controlling fuel injection
    • F02D41/38Controlling fuel injection of the high pressure type
    • F02D41/40Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
    • F02D41/402Multiple injections
    • F02D41/405Multiple injections with post injections
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/02EGR systems specially adapted for supercharged engines
    • F02M26/04EGR systems specially adapted for supercharged engines with a single turbocharger
    • F02M26/05High 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/02EGR systems specially adapted for supercharged engines
    • F02M26/04EGR systems specially adapted for supercharged engines with a single turbocharger
    • F02M26/06Low 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
FR1260394A 2012-10-31 2012-10-31 METHOD FOR DIAGNOSING A GAS RECIRCULATION SYSTEM AND ASSOCIATED SYSTEM Active FR2997498B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1260394A FR2997498B1 (en) 2012-10-31 2012-10-31 METHOD FOR DIAGNOSING A GAS RECIRCULATION SYSTEM AND ASSOCIATED SYSTEM

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1260394A FR2997498B1 (en) 2012-10-31 2012-10-31 METHOD FOR DIAGNOSING A GAS RECIRCULATION SYSTEM AND ASSOCIATED SYSTEM

Publications (2)

Publication Number Publication Date
FR2997498A1 FR2997498A1 (en) 2014-05-02
FR2997498B1 true FR2997498B1 (en) 2014-12-19

Family

ID=47666289

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1260394A Active FR2997498B1 (en) 2012-10-31 2012-10-31 METHOD FOR DIAGNOSING A GAS RECIRCULATION SYSTEM AND ASSOCIATED SYSTEM

Country Status (1)

Country Link
FR (1) FR2997498B1 (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08226354A (en) * 1995-02-20 1996-09-03 Unisia Jecs Corp Diagnostic device for use in exhaust-gas recirculation device of internal combustion engine
DE10327691A1 (en) * 2003-06-20 2005-01-05 Robert Bosch Gmbh Method for monitoring the exhaust gas recirculation of an internal combustion engine
JP4462018B2 (en) * 2004-11-18 2010-05-12 株式会社デンソー Engine control system
DE102005054737A1 (en) * 2005-11-17 2007-05-24 Robert Bosch Gmbh Method for operating an internal combustion engine
DE102005058299A1 (en) * 2005-12-07 2007-06-14 Robert Bosch Gmbh Method of diagnosing exhaust gas recirculation (EGR) in IC engine e.g. petrol engine, involves determining storage capacities of catalyst during closed and open EGR, and comparing both capacities for EGR abnormalities
DE102006000973A1 (en) * 2006-01-07 2007-07-12 Daimlerchrysler Ag Residual gas determining method for use in internal combustion engine of vehicle, involves determining residual gas content based on parameter that characterizes combustion process in chamber
FR2904043A3 (en) * 2006-07-21 2008-01-25 Renault Sas Engine e.g. internal combustion diesel engine with direct or indirect injection, controlling method for vehicle, involves establishing diagnosis of valve based on predetermined criterion, which depends on pressure value in cylinder

Also Published As

Publication number Publication date
FR2997498A1 (en) 2014-05-02

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