SE0101789L - Anordning och förfarande för cirkulation av avgaser - Google Patents

Anordning och förfarande för cirkulation av avgaser

Info

Publication number
SE0101789L
SE0101789L SE0101789A SE0101789A SE0101789L SE 0101789 L SE0101789 L SE 0101789L SE 0101789 A SE0101789 A SE 0101789A SE 0101789 A SE0101789 A SE 0101789A SE 0101789 L SE0101789 L SE 0101789L
Authority
SE
Sweden
Prior art keywords
control signal
engine
feedback
exhaust gas
operational model
Prior art date
Application number
SE0101789A
Other languages
English (en)
Other versions
SE523354C2 (sv
SE0101789D0 (sv
Inventor
Stephen Mark Geyer
Original Assignee
Mack Trucks
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 Mack Trucks filed Critical Mack Trucks
Publication of SE0101789D0 publication Critical patent/SE0101789D0/sv
Publication of SE0101789L publication Critical patent/SE0101789L/sv
Publication of SE523354C2 publication Critical patent/SE523354C2/sv

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
    • F02D41/02—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
    • F02D41/1402—Adaptive control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D21/00—Controlling engines characterised by their being supplied with non-airborne oxygen or other non-fuel gas
    • F02D21/06—Controlling engines characterised by their being supplied with non-airborne oxygen or other non-fuel gas peculiar to engines having other non-fuel gas added to combustion air
    • F02D21/08—Controlling engines characterised by their being supplied with non-airborne oxygen or other non-fuel gas peculiar to engines having other non-fuel gas added to combustion air the other gas being the exhaust gas of engine
    • 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
    • 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
    • F02D41/0052—Feedback control of engine parameters, e.g. for control of air/fuel ratio or intake air amount
    • 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
    • F02D41/0072—Estimating, calculating or determining the EGR rate, amount or flow
    • 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
    • F02D41/146—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 NOx content or concentration
    • F02D41/1461—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 NOx content or concentration of the exhaust gases emitted by the engine
    • 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
    • F02D2041/1413—Controller structures or design
    • F02D2041/1418—Several control loops, either as alternatives or simultaneous
    • 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
    • F02D2041/1433—Introducing closed-loop corrections characterised by the control or regulation method using a model or simulation of the system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/04—Engine intake system parameters
    • F02D2200/0404—Throttle position
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/04—Engine intake system parameters
    • F02D2200/0406—Intake manifold pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/04—Engine intake system parameters
    • F02D2200/0414—Air temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
    • F02D2200/1012—Engine speed gradient
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/70—Input parameters for engine control said parameters being related to the vehicle exterior
    • F02D2200/703—Atmospheric pressure
    • 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
    • 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
    • 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
    • F02M26/48—EGR valve position sensors
    • 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)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Exhaust-Gas Circulating Devices (AREA)
  • Gas Separation By Absorption (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
SE0101789A 2000-06-09 2001-05-21 Anordning och förfarande för cirkulation av avgaser SE523354C2 (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/590,379 US6378515B1 (en) 2000-06-09 2000-06-09 Exhaust gas recirculation apparatus and method

Publications (3)

Publication Number Publication Date
SE0101789D0 SE0101789D0 (sv) 2001-05-21
SE0101789L true SE0101789L (sv) 2001-12-10
SE523354C2 SE523354C2 (sv) 2004-04-13

Family

ID=24362010

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0101789A SE523354C2 (sv) 2000-06-09 2001-05-21 Anordning och förfarande för cirkulation av avgaser

Country Status (6)

Country Link
US (1) US6378515B1 (sv)
DE (1) DE10126580B4 (sv)
FR (1) FR2810079B1 (sv)
GB (1) GB2363210B (sv)
IT (1) ITMI20011186A1 (sv)
SE (1) SE523354C2 (sv)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6662795B2 (en) * 2001-08-20 2003-12-16 Caterpillar Inc Method and apparatus configured to maintain a desired engine emissions level
JP4134678B2 (ja) * 2002-10-23 2008-08-20 トヨタ自動車株式会社 過給機付き内燃機関の排気ガス再循環装置
DE10252826B4 (de) * 2002-11-13 2006-03-30 Siemens Ag Verfahren zur Ansteuerung eines Regenerierventils eines Kraftstoffdampf-Rückhaltesystems
US6941746B2 (en) * 2002-11-21 2005-09-13 Combustion Components Associates, Inc. Mobile diesel selective catalytic reduction systems and methods
US6863058B2 (en) * 2003-02-03 2005-03-08 Ford Global Technologies, Llc System and method for reducing NOx emissions during transient conditions in a diesel fueled vehicle
JP2004257361A (ja) * 2003-02-27 2004-09-16 Honda Motor Co Ltd 排気還流弁の制御装置
US6848434B2 (en) * 2003-03-17 2005-02-01 Cummins, Inc. System for diagnosing operation of an EGR cooler
US6802302B1 (en) 2003-04-08 2004-10-12 Cummins, Inc. System for diagnosing EGR flow rate operation
US7007680B2 (en) * 2003-08-07 2006-03-07 Mack Trucks, Inc. Cooler bypass valve system and method
US6899093B2 (en) * 2003-09-17 2005-05-31 General Motors Corporation Control system for NOx control for cam phaser and/or EGR systems
US6850834B1 (en) * 2003-11-17 2005-02-01 Ford Global Technologies, Llc Method and system for detecting degradation of EGR flow delivery
US6886545B1 (en) * 2004-03-05 2005-05-03 Haldex Hydraulics Ab Control scheme for exhaust gas circulation system
DE102004033845A1 (de) * 2004-07-13 2006-02-09 Robert Bosch Gmbh Verfahren und Vorrichtung zum Betreiben einer Brennkraftmaschine mit Abgasrückführung
US7140357B2 (en) * 2004-09-21 2006-11-28 International Engine Intellectual Property Company, Llc Vortex mixing system for exhaust gas recirculation (EGR)
US7140360B2 (en) * 2005-03-03 2006-11-28 Cummins, Inc. System for controlling exhaust emissions produced by an internal combustion engine
US7124751B2 (en) * 2005-03-18 2006-10-24 Daimlerchrysler Corporation Electronic exhaust gas recirculation valve control
US7252077B2 (en) * 2005-07-28 2007-08-07 Haldex Hydraulics Ab Sequential control valve
FR2897108A1 (fr) * 2006-02-03 2007-08-10 Valeo Sys Controle Moteur Sas Procede de gestion de l'ouverture d'une vanne de recirculation de gaz d'echappement par mesure directe du taux d'emission d'oxydes d'azote
US20080078176A1 (en) * 2006-10-02 2008-04-03 International Engine Intellectual Property Company Strategy for control of recirculated exhaust gas to null turbocharger boost error
US7477982B2 (en) * 2006-10-31 2009-01-13 Caterpillar Inc. Exhaust gas recirculation system
US20080154481A1 (en) * 2006-12-21 2008-06-26 Stroia Bradlee J Adaptive oxygen sensor methods, systems, and software
US8150601B2 (en) * 2006-12-28 2012-04-03 Mitsubishi Electric Corporation EGR valve control system
US7469692B2 (en) * 2006-12-29 2008-12-30 Caterpillar Inc. Exhaust gas recirculation system
US7813869B2 (en) * 2007-03-30 2010-10-12 Caterpillar Inc Prediction based engine control system and method
CN101652553A (zh) * 2007-04-26 2010-02-17 Fev电机技术有限公司 机动车内燃机的控制
US7848872B2 (en) * 2007-12-20 2010-12-07 Gm Global Technology Operations, Inc. Method and apparatus for monitoring recirculated exhaust gas in an internal combustion engine
US7658098B2 (en) * 2007-12-31 2010-02-09 Min Sun Method for controlling vehicle emissions
US8108154B2 (en) * 2008-12-10 2012-01-31 GM Global Technology Operations LLC NOx emission estimation systems and methods
DE102009035579A1 (de) * 2009-07-28 2011-02-03 Beru Ag Verfahren zum Betreiben eines Verbrennungsmotors
DE102010027970A1 (de) * 2010-04-20 2011-10-20 Robert Bosch Gmbh Verfahren zum Betreiben eines Verbrennungsmotors
US8463531B2 (en) * 2010-06-01 2013-06-11 GM Global Technology Operations LLC System and method for controlling exhaust gas recirculation systems
US20120138026A1 (en) * 2010-12-07 2012-06-07 Detroit Diesel Corporation Method of diagnosing a low boost in a diesel engine
JP5660322B2 (ja) * 2011-06-17 2015-01-28 株式会社デンソー 内燃機関のｅｇｒ制御装置
JP5752517B2 (ja) * 2011-08-03 2015-07-22 トヨタ自動車株式会社 内燃機関の制御装置
EP2642103B1 (en) * 2012-03-21 2014-11-19 Ford Global Technologies, LLC Exhaust-gas recirculation system and method for exhaust-gas recirculation
DE102013209815B3 (de) * 2013-05-27 2014-09-18 Continental Automotive Gmbh Verfahren und System zur Steuerung einer Brennkraftmaschine
US20160131089A1 (en) 2014-11-12 2016-05-12 Deere And Company Variable geometry turbocharger feed forward control system and method
US20160131057A1 (en) 2014-11-12 2016-05-12 Deere And Company Fresh air flow and exhaust gas recirculation control system and method
US9593632B2 (en) 2015-03-06 2017-03-14 Caterpillar Inc. System and method for operating an exhaust gas recirculation valve
US9835094B2 (en) 2015-08-21 2017-12-05 Deere & Company Feed forward exhaust throttle and wastegate control for an engine
US9695727B2 (en) 2015-09-02 2017-07-04 Deere & Company System and method for adaptive aftertreatment control of NOx
EP3217002B1 (en) * 2016-03-09 2024-08-28 Ford Global Technologies, LLC Method and system for providing torque-assist
FR3049653B1 (fr) * 2016-04-04 2021-01-15 Ifp Energies Now Procede de determination des emissions de polluants d'un vehicule au moyen de parametres macroscopiques
US10920687B2 (en) 2016-11-15 2021-02-16 Cummins Inc. Spark ignition engine control with exhaust manifold pressure sensor
EP3685030A4 (en) * 2017-09-23 2021-04-28 Volvo Truck Corporation METHOD OF MEASURING EXHAUST GAS RETURN FLOW IN AN ENGINE SYSTEM, CONTROLLING EMISSIONS IN AN ENGINE SYSTEM AND ENGINE SYSTEM
US10746123B2 (en) * 2018-08-21 2020-08-18 Cummins Inc. Deep reinforcement learning for air handling and fuel system referencing
GB2580411B (en) * 2019-01-11 2021-09-15 Perkins Engines Co Ltd Method and system for determining an amount of a substance in exhaust gas of an internal combustion engine

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3925989A (en) 1974-04-15 1975-12-16 Case Co J I Turbocharger exhaust gas recirculation system
DE2706696C2 (de) 1977-02-17 1982-04-29 Mtu Motoren- Und Turbinen-Union Friedrichshafen Gmbh, 7990 Friedrichshafen Verfahren zum Anlassen der Brennkammer einer Brennkraftmaschine
JPS5449421A (en) 1977-09-27 1979-04-18 Toyota Motor Corp Controlling of run of internal combustion engine
US4142493A (en) 1977-09-29 1979-03-06 The Bendix Corporation Closed loop exhaust gas recirculation control system
US4164206A (en) 1978-01-19 1979-08-14 The Bendix Corporation Closed loop programmable EGR with coolant temperature sensitivity
JPS5835255A (ja) 1981-08-27 1983-03-01 Toyota Motor Corp デイ−ゼルエンジンの排気ガス再循環装置
JPS5885353A (ja) 1981-11-17 1983-05-21 Nissan Motor Co Ltd 内燃機関の排気還流制御装置
JPS5888451A (ja) 1981-11-20 1983-05-26 Nissan Motor Co Ltd 内燃機関の排気還流制御装置
JPS58220948A (ja) 1982-06-15 1983-12-22 Toyota Motor Corp デイ−ゼル機関の排気ガス再循環装置
DE3233290A1 (de) 1982-09-08 1984-03-08 Robert Bosch Gmbh, 7000 Stuttgart Einrichtung fuer die abgasrueckfuehrung bei einer insbesondere mit selbstzuendung arbeitenden brennkraftmaschine
CA1210475A (en) 1982-10-04 1986-08-26 John A. Kimberley Method and apparatus for controlling diesel engine exhaust gas recirculation partly as a function of exhaust particulate level
JPS6166854A (ja) 1984-09-11 1986-04-05 Toyota Motor Corp デイ−ゼルエンジンのｅｇｒ制御装置
US5363091A (en) 1991-08-07 1994-11-08 Ford Motor Company Catalyst monitoring using ego sensors
US5758309A (en) 1992-02-05 1998-05-26 Nissan Motor Co., Ltd. Combustion control apparatus for use in internal combustion engine
US5440880A (en) 1994-05-16 1995-08-15 Navistar International Transportation Corp. Diesel engine EGR system with exhaust gas conditioning
US5625750A (en) 1994-06-29 1997-04-29 Ford Motor Company Catalyst monitor with direct prediction of hydrocarbon conversion efficiency by dynamic neural networks
US5703777A (en) 1994-10-20 1997-12-30 Anr Pipeline Company Parametric emissions monitoring system having operating condition deviation feedback
JP2832423B2 (ja) 1995-06-21 1998-12-09 トヨタ自動車株式会社 内燃機関の排気ガス再循環装置
US5601068A (en) * 1995-07-05 1997-02-11 Nozel Engineering Co., Ltd. Method and apparatus for controlling a diesel engine
JP3330287B2 (ja) 1996-09-17 2002-09-30 トヨタ自動車株式会社 内燃機関の制御装置
US5890359A (en) 1996-12-17 1999-04-06 Volvo Lastvagnar Ab Method and a device for reducing NOx emissions from a diesel engine
US5924280A (en) 1997-04-04 1999-07-20 Clean Diesel Technologies, Inc. Reducing NOx emissions from an engine while maximizing fuel economy
US5771867A (en) 1997-07-03 1998-06-30 Caterpillar Inc. Control system for exhaust gas recovery system in an internal combustion engine
DE19804361A1 (de) * 1998-02-04 1999-08-05 Siemens Ag Verfahren zur Verbesserung der Regelgüte bei EGR-Regelungen von Brennkraftmaschinen
US6009862A (en) 1998-08-05 2000-01-04 Ford Global Technologies, Inc. Exhaust gas recirculation control system and method
US6035639A (en) * 1999-01-26 2000-03-14 Ford Global Technologies, Inc. Method of estimating mass airflow in turbocharged engines having exhaust gas recirculation

Also Published As

Publication number Publication date
GB2363210A (en) 2001-12-12
GB2363210B (en) 2004-08-25
DE10126580A1 (de) 2001-12-13
GB0113649D0 (en) 2001-07-25
ITMI20011186A1 (it) 2002-12-05
FR2810079B1 (fr) 2006-03-17
DE10126580B4 (de) 2012-03-15
SE523354C2 (sv) 2004-04-13
US6378515B1 (en) 2002-04-30
ITMI20011186A0 (it) 2001-06-05
FR2810079A1 (fr) 2001-12-14
SE0101789D0 (sv) 2001-05-21

Similar Documents

Publication Publication Date Title
SE0101789L (sv) Anordning och förfarande för cirkulation av avgaser
US6581571B2 (en) Engine control to reduce emissions variability
US7533524B2 (en) Method and apparatus for soot filter catalyst temperature control with oxygen flow constraint
BR9915167A (pt) Um método e um dispositivo para um sistema egr e uma válvula bem como um método e um dispositivo de regulagem
WO2000004282A1 (fr) Procede d'appreciation des deteriorations d'un dispositif catalyseur pour la regulation des gaz d'emission
SE8602372L (sv) Forfarande och anordning for att reglera fororeningsgraden i en forbrenningsmotors avagaser
GB1385621A (en) Exhaust gas after burning system for internal combustion engine
EP1293648A3 (en) Secondary air supply apparatus and method for detecting abnormality thereof
EP0799986A3 (en) Air-fuel ratio control system for internal combustion engines
EP1052393A3 (en) Air-fuel ratio control apparatus and method of internal combustion engine
SE0100429D0 (sv) Anordning och förfarande för reglering av förhållandet mellan bränslemängd och luftmängd i en naturgasdriven förbränningsmotor
EP1336744A3 (en) O2 Sensor, apparatus for and method of controlling air-fuel ratio of an internal combustion engine, and recording medium storing air-fuel ratio control program
WO2008029256A3 (en) Air-fuel ratio control apparatus and air-fuel ratio control method for internal combustion engine
KR920001070A (ko) 엔진의 공연비제어장치
DE502005009671D1 (de) Ein Verfahren und eine Vorrichtung eines Abgasrückführsystems für einen Verbrennungsmotor
EP1280990A4 (en) METHOD FOR CONTROLLING AN ENGINE WITH AN EXHAUST GAS RECIRCULATION SYSTEM
EP1132584A3 (de) Verfahren und Vorrichtung zur Steuerung einer Heizmassnahme in einer Abgasreinigungsanlage von Brennkraftmaschinen
ES2190161T3 (es) Sistema de control para motor sobrealimentado.
ATE301772T1 (de) Verfahren und vorrichtung zur regelung eines drehmomentes von dieselmotoren
ATE548555T1 (de) Abgasrückführsteuerung mittels lastsignal an einer reiheneinspritzpumpe
EP1099465A3 (de) Verfahren und Vorrichtung zum Reinigen des Abgases einer Brennkraftmaschine
JPS54100536A (en) Controller of nox concentration
JPS5776234A (en) Control method for air fuel ratio of internal combustion engine
ATE348255T1 (de) Steuereinrichtung für kraftfahrzeug-dieselmotoren
JP2716054B2 (ja) 内燃機関の燃料噴射量制御方式

Legal Events

Date Code Title Description
NUG Patent has lapsed