EP0922846A3 - Procédé pour la réduction de la teneur en NOx des gaz d'échappement d'un moteur à combustion interne. - Google Patents

Procédé pour la réduction de la teneur en NOx des gaz d'échappement d'un moteur à combustion interne. Download PDF

Info

Publication number
EP0922846A3
EP0922846A3 EP98120906A EP98120906A EP0922846A3 EP 0922846 A3 EP0922846 A3 EP 0922846A3 EP 98120906 A EP98120906 A EP 98120906A EP 98120906 A EP98120906 A EP 98120906A EP 0922846 A3 EP0922846 A3 EP 0922846A3
Authority
EP
European Patent Office
Prior art keywords
temperature
reduction
internal combustion
content
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.)
Granted
Application number
EP98120906A
Other languages
German (de)
English (en)
Other versions
EP0922846A2 (fr
EP0922846B1 (fr
Inventor
Ralf Dipl.-Ing. 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 EP0922846A2 publication Critical patent/EP0922846A2/fr
Publication of EP0922846A3 publication Critical patent/EP0922846A3/fr
Application granted granted Critical
Publication of EP0922846B1 publication Critical patent/EP0922846B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
  • Exhaust Gas After Treatment (AREA)
EP98120906A 1997-12-12 1998-11-04 Procédé pour la réduction de la teneur en NOx des gaz d'échappement d'un moteur à combustion interne. Expired - Lifetime EP0922846B1 (fr)

Applications Claiming Priority (2)

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

Publications (3)

Publication Number Publication Date
EP0922846A2 EP0922846A2 (fr) 1999-06-16
EP0922846A3 true EP0922846A3 (fr) 2002-05-15
EP0922846B1 EP0922846B1 (fr) 2004-05-26

Family

ID=7851713

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98120906A Expired - Lifetime EP0922846B1 (fr) 1997-12-12 1998-11-04 Procédé pour la réduction de la teneur en NOx des gaz d'échappement d'un moteur à combustion interne.

Country Status (4)

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

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

Citations (5)

* 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
DE3733052A1 (de) * 1986-09-30 1988-04-07 Mitsubishi Electric Corp Steuerungssystem fuer das brennstoff-luft-mischungsverhaeltnis bei brennkraftmaschinen
EP0288056A2 (fr) * 1987-04-21 1988-10-26 Hitachi, Ltd. Système de contrôle pour moteur à combustion interne
EP0440211A2 (fr) * 1990-01-31 1991-08-07 Toyota Jidosha Kabushiki Kaisha Dispositif de commande du rapport air-carburant d'un moteur automobile

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3500594C2 (de) * 1985-01-10 1995-08-17 Bosch Gmbh Robert Zumeßsystem für eine Brennkraftmaschine zur Beeinflussung des Betriebsgemisches
DE3673175D1 (de) * 1985-01-10 1990-09-13 Atlas Fahrzeugtechnik Gmbh Gemischregelungsvorrichtung fuer einen verbrennungsmotor.
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

Patent Citations (5)

* 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
DE3733052A1 (de) * 1986-09-30 1988-04-07 Mitsubishi Electric Corp Steuerungssystem fuer das brennstoff-luft-mischungsverhaeltnis bei brennkraftmaschinen
EP0288056A2 (fr) * 1987-04-21 1988-10-26 Hitachi, Ltd. Système de contrôle pour moteur à combustion interne
EP0440211A2 (fr) * 1990-01-31 1991-08-07 Toyota Jidosha Kabushiki Kaisha Dispositif de commande du rapport air-carburant d'un moteur automobile

Also Published As

Publication number Publication date
DE59811462D1 (de) 2004-07-01
EP0922846A2 (fr) 1999-06-16
AU9705398A (en) 1999-07-01
EP0922846B1 (fr) 2004-05-26
DE19755299A1 (de) 1999-06-17
CA2255462A1 (fr) 1999-06-12

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