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

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
    • F02D35/02—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
    • F02D35/023—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions by determining the cylinder pressure
    • 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
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/0002—Controlling intake air
    • F02D41/0007—Controlling intake air for control of turbo-charged or super-charged engines
    • 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
    • F02D41/405—Multiple injections with post injections
    • 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
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

Similar Documents

Publication Publication Date Title
HRP20171659T1 (en) System and method for underwater observation
HK1249001A1 (en) System and method for image guidance during medical procedures
NO344024B1 (en) Position monitoring system and method
EP2804565A4 (en) System and method for bone fixation
TWI562808B (en) Fitness monitoring system
IL233297D0 (en) System and method for patient identification in a remote monitoring system
EP2820595A4 (en) System and method for physically detecting counterfeit electronics
EP2790883A4 (en) Apparatus, systems and methods for modular construction
ZA201300383B (en) Diesel engine system and control method for a diesel engine system
ZA201408711B (en) Method and system for engine control
HRP20200438T1 (en) Method and system for detecting an event on a sports track
EP2940458A4 (en) Ct imaging system and method
EP2788708A4 (en) Slide takedown system and method for firearm
HK1180436A1 (en) Method and system for security system tampering detection
IL227906A (en) System and method for planning a patient-specific cardiac procedure
SG10201601164SA (en) Modular wrist-worn processor for patient monitoring
ZA201501704B (en) Diagnostic method for rail vehicles
HK1177291A1 (en) Method and system for task dispatching
ZA201205340B (en) Method and system for determing colour from an image
EP2934090A4 (en) Method and illumination system for plant recovery from stress
EP2736142A4 (en) Fault diagnosis method, grid-interconnected device, and control device
EP2737697A4 (en) System and method for improving site operations by detecting abnormalities
SG11201403510XA (en) System, method, and apparatus for electronic patient care
EP2718814A4 (en) System and method for providing automated computer security compromise as a service
EP2791899A4 (en) Method and apparatus for image capture targeting

Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 4

PLFP Fee payment

Year of fee payment: 5

PLFP Fee payment

Year of fee payment: 6

PLFP Fee payment

Year of fee payment: 7

PLFP Fee payment

Year of fee payment: 8

PLFP Fee payment

Year of fee payment: 9