FR2785019B1 - METHOD FOR DIAGNOSING THE EXHAUST GAS RECYCLING OF A COMBUSTION ENGINE - Google Patents

METHOD FOR DIAGNOSING THE EXHAUST GAS RECYCLING OF A COMBUSTION ENGINE

Info

Publication number
FR2785019B1
FR2785019B1 FR9913123A FR9913123A FR2785019B1 FR 2785019 B1 FR2785019 B1 FR 2785019B1 FR 9913123 A FR9913123 A FR 9913123A FR 9913123 A FR9913123 A FR 9913123A FR 2785019 B1 FR2785019 B1 FR 2785019B1
Authority
FR
France
Prior art keywords
diagnosing
exhaust gas
combustion engine
gas recycling
recycling
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
FR9913123A
Other languages
French (fr)
Other versions
FR2785019A1 (en
Inventor
Gholamabas Esteghlal
Georg Mallebrein
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of FR2785019A1 publication Critical patent/FR2785019A1/en
Application granted granted Critical
Publication of FR2785019B1 publication Critical patent/FR2785019B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • F02D41/0025—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
    • F02D41/0002—Controlling intake air
    • 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
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
    • F02D41/1408—Dithering techniques
    • 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
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/1454—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio
    • 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)
  • Exhaust-Gas Circulating Devices (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Incineration Of Waste (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
FR9913123A 1998-10-26 1999-10-21 METHOD FOR DIAGNOSING THE EXHAUST GAS RECYCLING OF A COMBUSTION ENGINE Expired - Fee Related FR2785019B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19849272A DE19849272B4 (en) 1998-10-26 1998-10-26 Method for diagnosing an exhaust gas recirculation (EGR) system of a combustion process

Publications (2)

Publication Number Publication Date
FR2785019A1 FR2785019A1 (en) 2000-04-28
FR2785019B1 true FR2785019B1 (en) 2005-06-24

Family

ID=7885649

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9913123A Expired - Fee Related FR2785019B1 (en) 1998-10-26 1999-10-21 METHOD FOR DIAGNOSING THE EXHAUST GAS RECYCLING OF A COMBUSTION ENGINE

Country Status (4)

Country Link
JP (1) JP2000154756A (en)
DE (1) DE19849272B4 (en)
FR (1) FR2785019B1 (en)
IT (1) IT1313778B1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10332629B4 (en) * 2003-07-18 2005-07-14 Stiebel Eltron Gmbh & Co. Kg Method for monitoring a broadband probe
DE102005051358A1 (en) * 2005-10-25 2007-04-26 Volkswagen Ag Exhaust gas mass determining method for use in e.g. diesel engine, involves determining mass of exhaust gas in channel, from ratio of mass of pumped oxygen to difference of lambda values in channel before and after oxygen pumping
WO2012077214A1 (en) * 2010-12-09 2012-06-14 トヨタ自動車株式会社 Error detection device for egr device
US9976521B1 (en) 2017-01-24 2018-05-22 Ford Global Technologies, Llc Method and system for exhaust gas recirculation system diagnostics
DE102021102457B3 (en) 2021-02-03 2022-05-19 Audi Aktiengesellschaft Method for operating a drive device for a motor vehicle and corresponding drive device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4640257A (en) * 1984-05-01 1987-02-03 Nippondenso Co., Ltd. Engine control with exhaust gas recirculation
US5239971A (en) * 1991-08-03 1993-08-31 Mitsubishi Denki K.K. Trouble diagnosis device for exhaust gas recirculation system
DE4216044C2 (en) * 1992-05-15 2001-03-15 Bosch Gmbh Robert Exhaust gas recirculation diagnostic system on an internal combustion engine
JPH0777110A (en) * 1993-09-03 1995-03-20 Mitsubishi Motors Corp Failure detector of exhaust recirculation system
US5375415A (en) * 1993-11-29 1994-12-27 Ford Motor Company Adaptive control of EGO sensor output
DE19719278B4 (en) * 1997-05-07 2005-03-17 Robert Bosch Gmbh Method for diagnosing an exhaust gas recirculation (EGR) system of an internal combustion engine

Also Published As

Publication number Publication date
ITMI992096A0 (en) 1999-10-07
IT1313778B1 (en) 2002-09-17
ITMI992096A1 (en) 2001-04-07
DE19849272A1 (en) 2000-05-04
JP2000154756A (en) 2000-06-06
FR2785019A1 (en) 2000-04-28
DE19849272B4 (en) 2006-05-11

Similar Documents

Publication Publication Date Title
FR2722533B1 (en) EXHAUST GAS RECYCLING SYSTEM FOR AN INTERNAL COMBUSTION ENGINE
GB2295334B (en) Arrangements for the after-treatment of exhaust gases from internal combustion engines
EP0732485A3 (en) An exhaust gas purification device for an internal combustion engine
FR2777039B1 (en) EXHAUST GAS PURIFICATION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE
GB2342056B (en) An exhaust gas purification device for an internal combustion engine
DE69520567T2 (en) EXHAUST GAS CLEANING METHOD FOR AN INTERNAL COMBUSTION ENGINE
FR2750452B1 (en) DEVICE FOR TREATING, AFTER BLOW, THE EXHAUST GASES OF AN INTERNAL COMBUSTION ENGINE
DE69502663T2 (en) Exhaust gas purification device for internal combustion engines
DE69621793D1 (en) EXHAUST GAS RECIRCULATION SYSTEM FOR INTERNAL COMBUSTION ENGINE
GB2294557B (en) Exhaust gas re circulation control device for internal combustion engines
GB2322169B (en) Combustion gas seal for an internal combustion engine
FR2780098B1 (en) EXHAUST GAS EMISSION PURIFICATION APPARATUS FOR AN INTERNAL COMBUSTION ENGINE
GB9915522D0 (en) Method for operating an internal combustion engine
FR2771774B1 (en) METHOD FOR MONITORING THE EXHAUST GAS PURIFYING SYSTEM OF AN INTERNAL COMBUSTION ENGINE WITH EXTERNAL IGNITION
FR2799236B1 (en) METHOD FOR DIAGNOSING ACTUATORS AND SENSORS BASED ON THE FORMATION OF THE MIXTURE SUPPLYING AN INTERNAL COMBUSTION ENGINE
FR2751376B1 (en) ELBOW EXHAUST GAS TUBE FOR GUIDING THE EXHAUST GAS OF AN INTERNAL COMBUSTION ENGINE
FR2744491B1 (en) EXHAUST GAS RECYCLING SYSTEM FOR AN INTERNAL COMBUSTION ENGINE
HUP9801585A3 (en) Exhaust gas purification device for internal combustion engines
HUP9901677A3 (en) Device for the cleaning of exhaust gases from internal combustion engines
FR2796986B1 (en) SYSTEM AND METHOD FOR TREATING THE EXHAUST GASES OF A COMBUSTION ENGINE
DE59505089D1 (en) Exhaust pipe for an internal combustion engine
FR2785019B1 (en) METHOD FOR DIAGNOSING THE EXHAUST GAS RECYCLING OF A COMBUSTION ENGINE
FR2698407B1 (en) Method for controlling the exhaust gas recirculation system of an internal combustion engine.
FR2780444B1 (en) METHOD FOR CONTROLLING THE EXHAUST GAS CLEANING SYSTEM OF AN INTERNAL COMBUSTION ENGINE
DE59711876D1 (en) EXHAUST GAS CLEANING METHOD FOR AN INTERNAL COMBUSTION ENGINE

Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20070629