DE102008059698A1 - Verfahren zum Betreiben eines Dieselmotors mit einer einen Stickoxid-Speicherkatalysator aufweisenden Abgasreinigungsanlage - Google Patents

Verfahren zum Betreiben eines Dieselmotors mit einer einen Stickoxid-Speicherkatalysator aufweisenden Abgasreinigungsanlage Download PDF

Info

Publication number
DE102008059698A1
DE102008059698A1 DE102008059698A DE102008059698A DE102008059698A1 DE 102008059698 A1 DE102008059698 A1 DE 102008059698A1 DE 102008059698 A DE102008059698 A DE 102008059698A DE 102008059698 A DE102008059698 A DE 102008059698A DE 102008059698 A1 DE102008059698 A1 DE 102008059698A1
Authority
DE
Germany
Prior art keywords
operating mode
lambda
lambda value
nitrogen oxide
value
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.)
Withdrawn
Application number
DE102008059698A
Other languages
German (de)
English (en)
Inventor
Michael Dipl.-Ing. Lenz
Bernd Dipl.-Ing. Lindemann
Ulrich Dipl.-Ing. Merten
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.)
Mercedes Benz Group AG
Original Assignee
Daimler AG
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 Daimler AG filed Critical Daimler AG
Priority to DE102008059698A priority Critical patent/DE102008059698A1/de
Priority to EP09743851A priority patent/EP2358985A1/de
Priority to PCT/EP2009/007163 priority patent/WO2010060503A1/de
Priority to JP2011537862A priority patent/JP5311082B2/ja
Publication of DE102008059698A1 publication Critical patent/DE102008059698A1/de
Withdrawn legal-status Critical Current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
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/021—Introducing corrections for particular conditions exterior to the engine
    • F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
    • F02D41/027—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus
    • F02D41/0275—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus the exhaust gas treating apparatus being a NOx trap or adsorbent
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features having two or more separate purifying devices arranged in series
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
    • F01N3/0842—Nitrogen oxides
    • 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
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
    • F01N3/035—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion
    • F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
    • F01N3/2066—Selective catalytic reduction [SCR]
    • 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
    • F02D2041/0022—Controlling intake air for diesel engines by throttle control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2250/00—Engine control related to specific problems or objectives
    • F02D2250/32—Air-fuel ratio control in a diesel 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
    • F02D41/021—Introducing corrections for particular conditions exterior to the engine
    • F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
    • F02D41/027—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus
    • F02D41/0275—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus the exhaust gas treating apparatus being a NOx trap or adsorbent
    • F02D41/028—Desulfurisation of NOx traps or adsorbent
    • 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
    • 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
    • F02D41/18—Circuit arrangements for generating control signals by measuring intake air flow
    • F02D41/182—Circuit arrangements for generating control signals by measuring intake air flow for the control of a fuel injection device
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
DE102008059698A 2008-11-29 2008-11-29 Verfahren zum Betreiben eines Dieselmotors mit einer einen Stickoxid-Speicherkatalysator aufweisenden Abgasreinigungsanlage Withdrawn DE102008059698A1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE102008059698A DE102008059698A1 (de) 2008-11-29 2008-11-29 Verfahren zum Betreiben eines Dieselmotors mit einer einen Stickoxid-Speicherkatalysator aufweisenden Abgasreinigungsanlage
EP09743851A EP2358985A1 (de) 2008-11-29 2009-10-06 Verfahren zum betreiben eines dieselmotors mit einer einen stickoxid-speicherkatalysator aufweisenden abgasreinigungsanlage
PCT/EP2009/007163 WO2010060503A1 (de) 2008-11-29 2009-10-06 Verfahren zum betreiben eines dieselmotors mit einer einen stickoxid-speicherkatalysator aufweisenden abgasreinigungsanlage
JP2011537862A JP5311082B2 (ja) 2008-11-29 2009-10-06 窒素酸化物吸蔵触媒を有する排気ガス浄化装置を備えたディーゼルエンジンの運転方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008059698A DE102008059698A1 (de) 2008-11-29 2008-11-29 Verfahren zum Betreiben eines Dieselmotors mit einer einen Stickoxid-Speicherkatalysator aufweisenden Abgasreinigungsanlage

Publications (1)

Publication Number Publication Date
DE102008059698A1 true DE102008059698A1 (de) 2010-06-02

Family

ID=41351435

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102008059698A Withdrawn DE102008059698A1 (de) 2008-11-29 2008-11-29 Verfahren zum Betreiben eines Dieselmotors mit einer einen Stickoxid-Speicherkatalysator aufweisenden Abgasreinigungsanlage

Country Status (4)

Country Link
EP (1) EP2358985A1 (https=)
JP (1) JP5311082B2 (https=)
DE (1) DE102008059698A1 (https=)
WO (1) WO2010060503A1 (https=)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2746557A1 (en) * 2012-12-18 2014-06-25 Hyundai Motor Company LNT control method for vehicle
WO2016150553A1 (de) * 2015-03-20 2016-09-29 Mtu Friedrichshafen Gmbh Verfahren und vorrichtung zum steuern einer brennkraftmaschine
DE102016205232A1 (de) * 2016-03-30 2017-10-05 Continental Automotive Gmbh Verfahren zum Betreiben eines Dieselmotors
CN107429589A (zh) * 2015-03-03 2017-12-01 五十铃自动车株式会社 排气净化系统和催化剂再生方法
DE102017115399A1 (de) * 2017-07-10 2019-01-10 Volkswagen Ag Abgasnachbehandlungssystem und Verfahren zur Abgasnachbehandlung eines Verbrennungsmotors
DE102015119309B4 (de) * 2014-11-20 2020-04-16 Denso Corporation Abgasreinigungsvorrichtung für eine interne Verbrennungsmaschine
FR3120659A1 (fr) * 2021-03-09 2022-09-16 Vitesco Technologies Calculateur de contrôle moteur pour véhicule automobile
DE102021207800A1 (de) 2021-07-21 2023-01-26 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren, Recheneinheit und Computerprogramm zum Einstellen eines Betriebsparameters in einer technischen Anlage

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10309333B2 (en) * 2017-09-29 2019-06-04 GM Global Technology Operations LLC Control apparatus and method for after-treatment system regeneration
CN114743608B (zh) * 2022-05-10 2025-01-17 潍柴动力股份有限公司 NOx模型的环境因子确定方法、装置、电子设备及介质

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10349876A1 (de) 2003-10-25 2005-05-25 Daimlerchrysler Ag Brennkraftmaschine mit Abgasreinigungsanlage und Verfahren zur Reinigung des Abgases einer Brennkraftmaschine

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19939989C1 (de) * 1999-08-24 2000-10-05 Daimler Chrysler Ag Motorregelsystem für einen Dieselmotor
DE10026806C1 (de) * 2000-05-31 2001-09-20 Daimler Chrysler Ag Verfahren zum Betreiben eines Dieselmotors und Dieselmotor
DE10158568A1 (de) * 2001-11-29 2003-06-26 Bosch Gmbh Robert Verfahren und Anlage zur Regenerierung insbesondere Desulfatisierung eines Speicherkatalysators bei der Abgasreinigung
JP4092485B2 (ja) * 2003-04-01 2008-05-28 日産自動車株式会社 排気ガス浄化触媒の劣化診断装置
JP4276910B2 (ja) * 2003-04-15 2009-06-10 トヨタ自動車株式会社 ＮＯｘ触媒の管理方法
JP4296909B2 (ja) * 2003-11-25 2009-07-15 トヨタ自動車株式会社 内燃機関の触媒制御装置
JP4492145B2 (ja) * 2004-02-10 2010-06-30 いすゞ自動車株式会社 排気ガス浄化方法及び排気ガス浄化システム
DE102006020675A1 (de) * 2006-05-04 2007-11-08 Volkswagen Ag Verfahren zur Lambda- und Momentenregelung einer Verbrennungskraftmaschine sowie Programmalgorithmus

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10349876A1 (de) 2003-10-25 2005-05-25 Daimlerchrysler Ag Brennkraftmaschine mit Abgasreinigungsanlage und Verfahren zur Reinigung des Abgases einer Brennkraftmaschine

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2746557A1 (en) * 2012-12-18 2014-06-25 Hyundai Motor Company LNT control method for vehicle
US8784758B2 (en) 2012-12-18 2014-07-22 Hyundai Motor Company LNT control method for vehicle
DE102015119309B4 (de) * 2014-11-20 2020-04-16 Denso Corporation Abgasreinigungsvorrichtung für eine interne Verbrennungsmaschine
CN107429589A (zh) * 2015-03-03 2017-12-01 五十铃自动车株式会社 排气净化系统和催化剂再生方法
US10690073B2 (en) 2015-03-03 2020-06-23 Isuzu Motors Limited Exhaust purification system and catalyst regeneration method
WO2016150553A1 (de) * 2015-03-20 2016-09-29 Mtu Friedrichshafen Gmbh Verfahren und vorrichtung zum steuern einer brennkraftmaschine
DE102016205232A1 (de) * 2016-03-30 2017-10-05 Continental Automotive Gmbh Verfahren zum Betreiben eines Dieselmotors
WO2017167486A1 (de) * 2016-03-30 2017-10-05 Continental Automotive Gmbh Verfahren zum betreiben eines dieselmotors
DE102016205232B4 (de) * 2016-03-30 2026-01-29 Schaeffler Technologies AG & Co. KG Verfahren zum Betreiben eines Dieselmotors
DE102017115399A1 (de) * 2017-07-10 2019-01-10 Volkswagen Ag Abgasnachbehandlungssystem und Verfahren zur Abgasnachbehandlung eines Verbrennungsmotors
FR3120659A1 (fr) * 2021-03-09 2022-09-16 Vitesco Technologies Calculateur de contrôle moteur pour véhicule automobile
DE102021207800A1 (de) 2021-07-21 2023-01-26 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren, Recheneinheit und Computerprogramm zum Einstellen eines Betriebsparameters in einer technischen Anlage

Also Published As

Publication number Publication date
JP2012510025A (ja) 2012-04-26
JP5311082B2 (ja) 2013-10-09
EP2358985A1 (de) 2011-08-24
WO2010060503A1 (de) 2010-06-03

Similar Documents

Publication Publication Date Title
DE102008059698A1 (de) Verfahren zum Betreiben eines Dieselmotors mit einer einen Stickoxid-Speicherkatalysator aufweisenden Abgasreinigungsanlage
DE102011017486A1 (de) Betriebsverfahren für einen Kraftfahrzeug-Dieselmotor mit einer Abgasreinigungsanlage
DE102009007765A1 (de) Verfahren zum Betreiben einer Brennkraftmaschine mit einer einen SCR-Katalysator umfassenden Abgasreinigungsanlage
DE102021113499A1 (de) Verfahren zum Betreiben einer Verbrennungskraftmaschine
DE102010050406A1 (de) Kraftfahrzeug-Brennkraftmaschine und Betriebsverfahren für eine Kraftfahrzeug-Brennkraftmaschine
DE102012007897A1 (de) Verfahren und Vorrichtung zu Überprüfung der Funktionsfähigkeit eines NO-Oxidationskatalysators
DE102009007764A1 (de) Verfahren zum Betreiben einer Brennkraftmaschine mit einer Abgasreinigungsanlage
DE102021203678A1 (de) Verfahren und Recheneinheit zum Betreiben eines Abgasbrenners
DE102006007122A1 (de) Verfahren zum Betreiben eines Verbrennungsmotors und einer daran angeschlossenen Abgasnachbehandlungseinrichtung
DE10256241A1 (de) Verfahren und Vorrichtung zur Steuerung einer eine Abgasrückführung aufweisenden Brennkraftmaschine
DE19844745C1 (de) Regenerationsverfahren für einen NOx-Speicherkatalysator einer Brennkraftmaschine
DE102006025257B4 (de) Verfahren zum Betreiben eines SCR-Katalysators sowie Programmalgorithmus zur Ausführung des Verfahrens
EP1132584B1 (de) Verfahren und Vorrichtung zur Steuerung einer Heizmassnahme in einer Abgasreinigungsanlage von Brennkraftmaschinen
DE10153901B4 (de) Verfahren und Vorrichtung zur Entschwefelung eines einem Dieselmotor nachgeschalteten NOx-Speicherkatalysators
EP1292763B1 (de) Verfahren zum betrieb eines dieselmotors
DE102020212725A1 (de) Verfahren zum Betreiben einer Brennkraftmaschine, Recheneinheit und Computerprogramm
DE102019219906A1 (de) Verfahren und Vorrichtung zum Aufheizen eines im Abgastrakt eines Kraftfahrzeugs angeordneten Katalysators mittels geregelter Sekundärluft
EP1244871B1 (de) Vorrichtung und verfahren zur steuerung einer abgasrückführrate einer abgasrückführeinrichtung für verbrennungskraftmaschinen während eines magerbetriebs
DE102009014360A1 (de) Verfahren zur Regeneration eines Stickoxid-Speicherkatalysators
DE10234849A1 (de) Verfahren, Computerprogramm und Steuer- und/oder Regelgerät zum Betreiben einer Brennkraftmaschine, sowie Brennkraftmaschine
DE102019219892A1 (de) Verfahren und Vorrichtung zur Regeneration eines beschichteten Partikelfilters im Abgastrakt eines benzinbetriebenen Kraftfahrzeugs
DE10123476A1 (de) Verfahren zur Regelung einer externen Abgasrückführrate
EP1241336A2 (de) Verfahren und Vorrichtung zur Regelung einer externen Abgasrückführrate und/oder eines Luft Kraftstoff-Verhältnisses
DE102012012748A1 (de) Betriebsverfahren einer einen Brennraum umfassenden Brennkraftmaschine
EP1435444A2 (de) Verfahren zum emissionsstabilen Betrieb eines Verbrennungsmotors sowie emissionsstabiles Kraftfahrzeug

Legal Events

Date Code Title Description
R012 Request for examination validly filed
R120 Application withdrawn or ip right abandoned