DE10316830B4 - Einrichtung und Verfahren zur Steuerung des Luft/Kraftstoff-Verhältnisses eines Verbrennungsmotors - Google Patents

Einrichtung und Verfahren zur Steuerung des Luft/Kraftstoff-Verhältnisses eines Verbrennungsmotors Download PDF

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Publication number
DE10316830B4
DE10316830B4 DE2003116830 DE10316830A DE10316830B4 DE 10316830 B4 DE10316830 B4 DE 10316830B4 DE 2003116830 DE2003116830 DE 2003116830 DE 10316830 A DE10316830 A DE 10316830A DE 10316830 B4 DE10316830 B4 DE 10316830B4
Authority
DE
Germany
Prior art keywords
air
fuel ratio
exhaust gas
fuel
stoichiometric
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.)
Expired - Lifetime
Application number
DE2003116830
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German (de)
English (en)
Other versions
DE10316830A1 (de
Inventor
Zenichiro Toyota Mashiki
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.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
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 Toyota Motor Corp filed Critical Toyota Motor Corp
Publication of DE10316830A1 publication Critical patent/DE10316830A1/de
Application granted granted Critical
Publication of DE10316830B4 publication Critical patent/DE10316830B4/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • F01N3/0814—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with catalytic converters, e.g. NOx absorption/storage reduction catalysts
    • 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
    • F01N3/0871—Regulation of absorbents or adsorbents, e.g. purging
    • F01N3/0885—Regeneration of deteriorated absorbents or adsorbents, e.g. desulfurization of NOx traps
    • 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
    • F02D41/1438—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
    • 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
    • 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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
    • F01N2900/1612—SOx amount trapped in catalyst
    • 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
    • F02D2200/0802—Temperature of the exhaust gas treatment apparatus
    • 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
    • F02D2200/0806—NOx storage amount, i.e. amount of NOx stored on NOx trap
    • 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
    • F02D2200/0808—NOx storage capacity, i.e. maximum amount of NOx that can be stored on NOx trap
    • 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
    • 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
    • F02D41/1439—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the position of the sensor
    • F02D41/1441—Plural sensors

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
DE2003116830 2002-04-12 2003-04-11 Einrichtung und Verfahren zur Steuerung des Luft/Kraftstoff-Verhältnisses eines Verbrennungsmotors Expired - Lifetime DE10316830B4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002111267A JP3867612B2 (ja) 2002-04-12 2002-04-12 内燃機関の空燃比制御装置
JPP2002/111267 2002-04-12

Publications (2)

Publication Number Publication Date
DE10316830A1 DE10316830A1 (de) 2003-12-04
DE10316830B4 true DE10316830B4 (de) 2006-03-16

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
DE2003116830 Expired - Lifetime DE10316830B4 (de) 2002-04-12 2003-04-11 Einrichtung und Verfahren zur Steuerung des Luft/Kraftstoff-Verhältnisses eines Verbrennungsmotors

Country Status (3)

Country Link
JP (1) JP3867612B2 (fr)
DE (1) DE10316830B4 (fr)
FR (1) FR2838479B1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3876874B2 (ja) * 2003-10-28 2007-02-07 トヨタ自動車株式会社 触媒再生方法
FR2894286B1 (fr) 2005-12-01 2010-10-29 Peugeot Citroen Automobiles Sa Systeme de determination du niveau d'empoisonnement en soufre de moyens de depollution integres dans une ligne d'echappement d'un moteur de vehicule automobile.
JP4404073B2 (ja) * 2006-06-30 2010-01-27 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP2008190461A (ja) * 2007-02-06 2008-08-21 Mitsubishi Motors Corp 排ガス浄化装置及び排ガス浄化装置の脱硫方法
US20080314022A1 (en) * 2007-06-19 2008-12-25 Eaton Corporation Strategy for scheduling LNT regeneration

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10024845A1 (de) * 1999-05-21 2001-03-08 Honda Motor Co Ltd Abgasreinigungsvorrichtung für Verbrennungsmotoren
DE10005473A1 (de) * 2000-02-08 2001-08-09 Bayerische Motoren Werke Ag Verfahren und Vorrichtung zur Desulfatisierung eines Stickoxidspeicherkatalysators
EP1132584A2 (fr) * 2000-03-09 2001-09-12 Volkswagen Aktiengesellschaft Procédé et dispositif pour commander le chauffage d'une installation de purification de gaz d'échappement des moteurs à combustion interne
DE10030227A1 (de) * 2000-06-20 2002-02-21 Giesecke & Devrient Gmbh Verfahren und Vorrichtung zum Bearbeiten von Blattgut

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6205773B1 (en) * 1998-07-07 2001-03-27 Toyota Jidosha Kabushiki Kaisha Exhaust gas purification device for an internal combustion engine
JP3427881B2 (ja) * 1998-09-04 2003-07-22 三菱自動車工業株式会社 内燃機関
JP3104692B2 (ja) * 1998-11-13 2000-10-30 トヨタ自動車株式会社 内燃機関
US6327849B1 (en) * 1999-06-08 2001-12-11 Honda Giken Kogyo Kabushiki Kaisha Exhaust gas purifying apparatus for internal combustion engine and controller for internal combustion engine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10024845A1 (de) * 1999-05-21 2001-03-08 Honda Motor Co Ltd Abgasreinigungsvorrichtung für Verbrennungsmotoren
DE10005473A1 (de) * 2000-02-08 2001-08-09 Bayerische Motoren Werke Ag Verfahren und Vorrichtung zur Desulfatisierung eines Stickoxidspeicherkatalysators
EP1132584A2 (fr) * 2000-03-09 2001-09-12 Volkswagen Aktiengesellschaft Procédé et dispositif pour commander le chauffage d'une installation de purification de gaz d'échappement des moteurs à combustion interne
DE10030227A1 (de) * 2000-06-20 2002-02-21 Giesecke & Devrient Gmbh Verfahren und Vorrichtung zum Bearbeiten von Blattgut

Also Published As

Publication number Publication date
FR2838479A1 (fr) 2003-10-17
JP2003307143A (ja) 2003-10-31
DE10316830A1 (de) 2003-12-04
FR2838479B1 (fr) 2008-04-11
JP3867612B2 (ja) 2007-01-10

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