FR2997498B1 - METHOD FOR DIAGNOSING A GAS RECIRCULATION SYSTEM AND ASSOCIATED SYSTEM - Google Patents
METHOD FOR DIAGNOSING A GAS RECIRCULATION SYSTEM AND ASSOCIATED SYSTEMInfo
- 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 system
- associated system
- 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.)
- Expired - Fee Related
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
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 Expired - Fee Related 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)
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 |
-
2012
- 2012-10-31 FR FR1260394A patent/FR2997498B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2997498A1 (en) | 2014-05-02 |
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Legal Events
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PLFP | Fee payment |
Year of fee payment: 4 |
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PLFP | Fee payment |
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PLFP | Fee payment |
Year of fee payment: 10 |
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ST | Notification of lapse |
Effective date: 20230606 |