CA2255462A1 - Method for nox reduction of internal combustion - Google Patents

Method for nox reduction of internal combustion Download PDF

Info

Publication number
CA2255462A1
CA2255462A1 CA002255462A CA2255462A CA2255462A1 CA 2255462 A1 CA2255462 A1 CA 2255462A1 CA 002255462 A CA002255462 A CA 002255462A CA 2255462 A CA2255462 A CA 2255462A CA 2255462 A1 CA2255462 A1 CA 2255462A1
Authority
CA
Canada
Prior art keywords
temperature
average mass
lambda
internal combustion
exhaust 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.)
Abandoned
Application number
CA002255462A
Other languages
English (en)
French (fr)
Inventor
Ralf Steinert
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.)
MAN Truck and Bus SE
Original Assignee
MAN Nutzfahrzeuge 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 MAN Nutzfahrzeuge AG filed Critical MAN Nutzfahrzeuge AG
Publication of CA2255462A1 publication Critical patent/CA2255462A1/en
Abandoned 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
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1473—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation method
    • F02D41/1475—Regulating the air fuel ratio at a value other than stoichiometry
    • 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
    • F02D41/1497—With detection of the mechanical response of the engine
    • F02D41/1498—With detection of the mechanical response of the engine measuring engine roughness
    • 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
    • F02D2200/1015—Engines misfires
    • 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
    • F02D2250/36—Control for minimising NOx emissions
    • 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
    • F02D41/1446—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 exhaust temperatures

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)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
CA002255462A 1997-12-12 1998-12-11 Method for nox reduction of internal combustion Abandoned CA2255462A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19755299A DE19755299A1 (de) 1997-12-12 1997-12-12 Verfahren zur NO¶x¶-Reduzierung an gemischverdichtenden Brennkraftmaschinen
DE19755299.4 1997-12-12

Publications (1)

Publication Number Publication Date
CA2255462A1 true CA2255462A1 (en) 1999-06-12

Family

ID=7851713

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002255462A Abandoned CA2255462A1 (en) 1997-12-12 1998-12-11 Method for nox reduction of internal combustion

Country Status (4)

Country Link
EP (1) EP0922846B1 (de)
AU (1) AU9705398A (de)
CA (1) CA2255462A1 (de)
DE (2) DE19755299A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19852240A1 (de) * 1998-11-12 2000-05-18 Volkswagen Ag Überwachungsverfahren für NOx-Speicherkatalysatoren und Abgasreinigungsvorrichtung zur Durchführung dieses Verfahrens
DE10307367A1 (de) * 2003-02-21 2004-09-09 B + V Industrietechnik Gmbh Verfahren und Vorrichtung zur Regelung von gasbetriebenen Motoren
FI124007B (fi) * 2008-12-16 2014-01-31 Waertsilae Finland Oy Menetelmä ja järjestelmä polttomoottorin päästöjen hallitsemiseksi

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3204842A1 (de) * 1982-02-11 1983-08-18 Volkswagenwerk Ag, 3180 Wolfsburg Einrichtung zur regelung einer otto-brennkraftmaschine
DE3410930A1 (de) * 1984-03-24 1985-10-03 Motoren-Werke Mannheim AG vorm. Benz Abt. stationärer Motorenbau, 6800 Mannheim Einrichtung zur regelung des verbrennungsluftverhaeltnisses bei otto-gas-motoren mit abgas-katalysatoren
DE3500594C2 (de) * 1985-01-10 1995-08-17 Bosch Gmbh Robert Zumeßsystem für eine Brennkraftmaschine zur Beeinflussung des Betriebsgemisches
EP0187649B1 (de) * 1985-01-10 1990-08-08 Atlas Fahrzeugtechnik GmbH Gemischregelungsvorrichtung für einen Verbrennungsmotor
JPS6388241A (ja) * 1986-09-30 1988-04-19 Mitsubishi Electric Corp 内燃機関の空燃比制御装置
US4887574A (en) * 1987-04-21 1989-12-19 Hitachi, Ltd. Control apparatus for internal combustion engines
JPH03225045A (ja) * 1990-01-31 1991-10-04 Toyota Motor Corp 内燃機関の空燃比制御装置
DE4033026C2 (de) * 1990-10-18 1997-09-04 Bayerische Motoren Werke Ag Verfahren zur Vermeidung thermisch kritischer Zustände einer Abgasnachbehandlungsvorrichtung für eine Brennkraftmaschine
JPH04234542A (ja) * 1990-12-28 1992-08-24 Honda Motor Co Ltd 内燃エンジンの空燃比制御方法
DE4420946B4 (de) * 1994-06-16 2007-09-20 Robert Bosch Gmbh Steuersystem für die Kraftstoffzumessung bei einer Brennkraftmaschine

Also Published As

Publication number Publication date
EP0922846A2 (de) 1999-06-16
AU9705398A (en) 1999-07-01
DE59811462D1 (de) 2004-07-01
DE19755299A1 (de) 1999-06-17
EP0922846A3 (de) 2002-05-15
EP0922846B1 (de) 2004-05-26

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FZDE Dead