EP1258620A3 - Verfahren zur Desulfatisierung eines NOx-Speichers bei einem Verbrennungsmotor - Google Patents

Verfahren zur Desulfatisierung eines NOx-Speichers bei einem Verbrennungsmotor Download PDF

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Publication number
EP1258620A3
EP1258620A3 EP02007800A EP02007800A EP1258620A3 EP 1258620 A3 EP1258620 A3 EP 1258620A3 EP 02007800 A EP02007800 A EP 02007800A EP 02007800 A EP02007800 A EP 02007800A EP 1258620 A3 EP1258620 A3 EP 1258620A3
Authority
EP
European Patent Office
Prior art keywords
knock
sensitivity
fuel consumption
sulfur
fuel
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.)
Granted
Application number
EP02007800A
Other languages
English (en)
French (fr)
Other versions
EP1258620B1 (de
EP1258620A2 (de
Inventor
Florian Preuss
Stefan Detterbeck
Hanns-Christian Hasenclever
Matthew Dr. Keenan
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.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke 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 Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Publication of EP1258620A2 publication Critical patent/EP1258620A2/de
Publication of EP1258620A3 publication Critical patent/EP1258620A3/de
Application granted granted Critical
Publication of EP1258620B1 publication Critical patent/EP1258620B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • F02D35/027—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions using knock sensors
    • 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
    • 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
    • F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/04—Sulfur or sulfur oxides
    • 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
    • F02D2200/06—Fuel or fuel supply system parameters
    • F02D2200/0611—Fuel type, fuel composition or fuel quality
    • F02D2200/0612—Fuel type, fuel composition or fuel quality determined by estimation
    • 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
    • F02D2200/08—Exhaust gas treatment apparatus parameters
    • F02D2200/0818—SOx storage amount, e.g. for SOx trap or NOx trap

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Treating Waste Gases (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

Die Erfindung betrifft ein Verfahren zur Desulfatisierung eines NOx-Speichers bei einem Verbrennungsmotor, der zumindest zum Teil in einem Magermodus betrieben wird, wobei eine Modellrechnung zur Bestimmung eines Desulfatisierungsschrittes durchgeführt wird.
Zur bedarfsgerechten Adaption der Desulfatisierungsschritte wird, vorgeschlagen, dass ein Klopfsignal oder eine Klopfregelung ausgewertet und eine Klopfempfindlichkeit des Kraftstoffes bestimmt wird, dass ein Kraftstoffverbrauch ausgewertet wird und dass die Modellberechung in Abhängigkeit von der Klopfempfindlichkeit des Kraftstoffes und dem Kraftstoffverbrauch durchgeführt wird.
EP02007800A 2001-05-16 2002-04-06 Verfahren zur Desulfatisierung eines NOx-Speichers bei einem Verbrennungsmotor Expired - Lifetime EP1258620B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10123682 2001-05-16
DE10123682A DE10123682A1 (de) 2001-05-16 2001-05-16 Verfahren zur Desulfatisierung eines NOx-Speichers bei einem Verbrennungsmotor

Publications (3)

Publication Number Publication Date
EP1258620A2 EP1258620A2 (de) 2002-11-20
EP1258620A3 true EP1258620A3 (de) 2005-04-13
EP1258620B1 EP1258620B1 (de) 2006-07-12

Family

ID=7684910

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02007800A Expired - Lifetime EP1258620B1 (de) 2001-05-16 2002-04-06 Verfahren zur Desulfatisierung eines NOx-Speichers bei einem Verbrennungsmotor

Country Status (3)

Country Link
EP (1) EP1258620B1 (de)
AT (1) ATE333040T1 (de)
DE (2) DE10123682A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4235069B2 (ja) * 2003-09-12 2009-03-04 トヨタ自動車株式会社 内燃機関の排気浄化触媒制御装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5657625A (en) * 1994-06-17 1997-08-19 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Apparatus and method for internal combustion engine control
JP2000073925A (ja) * 1998-09-03 2000-03-07 Nippon Soken Inc ノック制御装置
US6116208A (en) * 1998-09-29 2000-09-12 Mazda Motor Corporation Control system for a direct injection-spark ignition engine
DE10018333A1 (de) * 1999-05-19 2000-11-23 Ford Global Tech Inc Verfahren und System zur Reduzierung von NO¶x¶-Abgasemissionen eines Magermix-Innenverbrennungsmotors

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5657625A (en) * 1994-06-17 1997-08-19 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Apparatus and method for internal combustion engine control
JP2000073925A (ja) * 1998-09-03 2000-03-07 Nippon Soken Inc ノック制御装置
US6116208A (en) * 1998-09-29 2000-09-12 Mazda Motor Corporation Control system for a direct injection-spark ignition engine
DE10018333A1 (de) * 1999-05-19 2000-11-23 Ford Global Tech Inc Verfahren und System zur Reduzierung von NO¶x¶-Abgasemissionen eines Magermix-Innenverbrennungsmotors

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 06 22 September 2000 (2000-09-22) *

Also Published As

Publication number Publication date
DE10123682A1 (de) 2002-12-19
EP1258620B1 (de) 2006-07-12
EP1258620A2 (de) 2002-11-20
ATE333040T1 (de) 2006-08-15
DE50207467D1 (de) 2006-08-24

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