WO1998051919A1 - Appareil de reduction des emissions de gaz d'echappement pour moteur a combustion interne - Google Patents

Appareil de reduction des emissions de gaz d'echappement pour moteur a combustion interne Download PDF

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Publication number
WO1998051919A1
WO1998051919A1 PCT/JP1998/002004 JP9802004W WO9851919A1 WO 1998051919 A1 WO1998051919 A1 WO 1998051919A1 JP 9802004 W JP9802004 W JP 9802004W WO 9851919 A1 WO9851919 A1 WO 9851919A1
Authority
WO
WIPO (PCT)
Prior art keywords
nox
engine
nox absorbent
internal combustion
fuel ratio
Prior art date
Application number
PCT/JP1998/002004
Other languages
English (en)
French (fr)
Inventor
Takamitsu Asanuma
Kenji Katoh
Masato Goto
Original Assignee
Toyota Jidosha Kabushiki Kaisha
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 Jidosha Kabushiki Kaisha filed Critical Toyota Jidosha Kabushiki Kaisha
Priority to DE69816438T priority Critical patent/DE69816438T2/de
Priority to EP98917760A priority patent/EP0982487B1/en
Priority to JP54902498A priority patent/JP3341284B2/ja
Priority to US09/423,565 priority patent/US6477834B1/en
Publication of WO1998051919A1 publication Critical patent/WO1998051919A1/ja

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
    • 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
    • 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
    • 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
    • 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
    • F02D41/04—Introducing corrections for particular operating conditions
    • 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
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/06—Introducing corrections for particular operating conditions for engine starting or warming up
    • F02D41/062—Introducing corrections for particular operating conditions for engine starting or warming up for starting
    • 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
    • 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
    • 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
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/042—Introducing corrections for particular operating conditions for stopping the 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
    • F02D41/18—Circuit arrangements for generating control signals by measuring intake air flow
    • F02D41/187—Circuit arrangements for generating control signals by measuring intake air flow using a hot wire flow sensor

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)
  • Treating Waste Gases (AREA)
PCT/JP1998/002004 1997-05-12 1998-05-01 Appareil de reduction des emissions de gaz d'echappement pour moteur a combustion interne WO1998051919A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE69816438T DE69816438T2 (de) 1997-05-12 1998-05-01 Abgasreinigungsvorrichtung für eine verbrennungskraftmaschine
EP98917760A EP0982487B1 (en) 1997-05-12 1998-05-01 Exhaust emission controlling apparatus of internal combustion engine
JP54902498A JP3341284B2 (ja) 1997-05-12 1998-05-01 内燃機関の排気浄化装置
US09/423,565 US6477834B1 (en) 1997-05-12 1998-05-01 Exhaust emission controlling apparatus of internal combustion engine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP12070097 1997-05-12
JP9/120700 1997-05-12

Publications (1)

Publication Number Publication Date
WO1998051919A1 true WO1998051919A1 (fr) 1998-11-19

Family

ID=14792825

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1998/002004 WO1998051919A1 (fr) 1997-05-12 1998-05-01 Appareil de reduction des emissions de gaz d'echappement pour moteur a combustion interne

Country Status (5)

Country Link
US (1) US6477834B1 (ja)
EP (1) EP0982487B1 (ja)
JP (1) JP3341284B2 (ja)
DE (1) DE69816438T2 (ja)
WO (1) WO1998051919A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1130239A3 (en) * 2000-02-17 2004-01-21 Nissan Motor Co., Ltd. Engine exhaust purification device
JP2015025435A (ja) * 2013-07-29 2015-02-05 三菱自動車工業株式会社 内燃機関の排気浄化装置

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6718756B1 (en) * 1999-01-21 2004-04-13 Mitsubishi Jidosha Kogyo Kabushiki Kaisha Exhaust gas purifier for use in internal combustion engine
US6360529B1 (en) * 2000-03-17 2002-03-26 Ford Global Technologies, Inc. Method and apparatus for enabling lean engine operation upon engine start-up
JP4239443B2 (ja) * 2001-07-26 2009-03-18 トヨタ自動車株式会社 内燃機関の制御装置
JP2003065116A (ja) * 2001-08-24 2003-03-05 Nissan Motor Co Ltd 内燃機関の排気浄化装置
JP3855920B2 (ja) * 2002-11-29 2006-12-13 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP4304428B2 (ja) * 2003-02-07 2009-07-29 いすゞ自動車株式会社 内燃機関の排気ガス浄化システム
US6938412B2 (en) * 2003-08-07 2005-09-06 General Motors Corporation Removing nitrogen oxides during a lean-burn engine cold start
FR2865773B1 (fr) * 2004-02-03 2006-06-30 Peugeot Citroen Automobiles Sa Systeme d'aide a la regeneration de moyens de depollution integres dans une ligne d'echappement d'un moteur thermique
JP4204519B2 (ja) * 2004-06-14 2009-01-07 トヨタ自動車株式会社 内燃機関の排気浄化装置
GB0428289D0 (en) * 2004-12-24 2005-01-26 Johnson Matthey Plc Reductant addition in exhaust system comprising NOx-absorbent
US7811961B2 (en) * 2004-08-12 2010-10-12 Ford Global Technologies, Llc Methods and formulations for enhancing NH3 adsorption capacity of selective catalytic reduction catalysts
US7137249B2 (en) 2004-08-12 2006-11-21 Ford Global Technologies, Llc Thermally stable lean nox trap
US7622095B2 (en) 2004-08-12 2009-11-24 Ford Global Technologies, Llc Catalyst composition for use in a lean NOx trap and method of using
US7749474B2 (en) 2004-08-12 2010-07-06 Ford Global Technologies, Llc Catalyst composition for use in a lean NOx trap and method of using
US20060035782A1 (en) * 2004-08-12 2006-02-16 Ford Global Technologies, Llc PROCESSING METHODS AND FORMULATIONS TO ENHANCE STABILITY OF LEAN-NOx-TRAP CATALYSTS BASED ON ALKALI- AND ALKALINE-EARTH-METAL COMPOUNDS
EP1662102B1 (en) * 2004-11-23 2007-06-27 Ford Global Technologies, LLC Method and apparatus for conversion of NOx
EP1719895B1 (en) * 2005-05-03 2010-03-10 C.R.F. Società Consortile per Azioni Method for activating regeneration of a nitric oxide adsorber
JP4522339B2 (ja) * 2005-07-29 2010-08-11 三菱電機株式会社 内燃機関の空燃比制御装置
US7255098B1 (en) 2006-04-27 2007-08-14 Caterpillar Inc. Engine emissions control system
JP5214906B2 (ja) * 2007-05-11 2013-06-19 本田技研工業株式会社 燃料電池システム
US7797929B2 (en) * 2007-05-21 2010-09-21 Ford Global Technologies, Llc Low temperature emission control
JP4893876B2 (ja) 2010-03-15 2012-03-07 トヨタ自動車株式会社 内燃機関の排気浄化装置
ES2508365T3 (es) 2010-03-15 2014-10-16 Toyota Jidosha Kabushiki Kaisha Método de operación de un sistema de purificación de gases de escape de un motor de combustión interna
EP2460987B1 (en) 2010-04-01 2016-08-17 Toyota Jidosha Kabushiki Kaisha Exhaust gas purification method for internal combustion engine
CN102985647B (zh) 2010-07-28 2015-06-03 丰田自动车株式会社 内燃机的排气净化装置
CN103180558B (zh) 2010-08-30 2017-04-05 丰田自动车株式会社 内燃机的排气净化装置
JP4868097B1 (ja) 2010-08-30 2012-02-01 トヨタ自動車株式会社 内燃機関の排気浄化装置
EP2530267B1 (en) 2010-10-04 2016-07-06 Toyota Jidosha Kabushiki Kaisha Method for exhaust purification in exhaust purification system of internal combustion engine
WO2012046333A1 (ja) 2010-10-04 2012-04-12 トヨタ自動車株式会社 内燃機関の排気浄化装置
WO2012053117A1 (ja) 2010-10-18 2012-04-26 トヨタ自動車株式会社 内燃機関の排気浄化装置
CN103221648B (zh) * 2010-12-06 2016-08-24 丰田自动车株式会社 内燃机的排气净化装置
US9108154B2 (en) 2010-12-20 2015-08-18 Toyota Jidosha Kabushiki Kaisha Exhaust purification system of internal combustion engine
US9028761B2 (en) 2010-12-24 2015-05-12 Toyota Jidosha Kabushiki Kaisha Exhaust purification system of internal combustion engine
EP2503121B1 (en) 2011-02-07 2017-03-22 Toyota Jidosha Kabushiki Kaisha Exhaust-gas purifying system for internal-combustion engine
ES2601798T3 (es) 2011-02-10 2017-02-16 Toyota Jidosha Kabushiki Kaisha Método de purificación de NOX de un sistema de purificación de gas de escape para motor de combustión interna
EP2687693B1 (en) 2011-03-17 2016-11-30 Toyota Jidosha Kabushiki Kaisha Internal combustion engine exhaust gas purification device
US9021788B2 (en) 2011-04-15 2015-05-05 Toyota Jidosha Kabushiki Kaisha Exhaust purification system of internal combustion engine
BR112014000026B1 (pt) 2011-11-07 2021-02-09 Toyota Jidosha Kabushiki Kaisha sistema de purificação de exaustão de motor de combustão interna
EP2626529B1 (en) 2011-11-09 2015-10-21 Toyota Jidosha Kabushiki Kaisha Exhaust purification device for internal combustion engine
EP2626528B1 (en) 2011-11-30 2016-10-26 Toyota Jidosha Kabushiki Kaisha Exhaust purification device for internal combustion engine
WO2013080328A1 (ja) 2011-11-30 2013-06-06 トヨタ自動車株式会社 内燃機関の排気浄化装置
CN103518045B (zh) 2012-02-07 2016-01-27 丰田自动车株式会社 内燃机的排气净化装置
GB2532021B (en) * 2014-11-05 2018-08-15 Ford Global Tech Llc A method of pre-emptively regenerating a lean NOx trap

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Publication number Priority date Publication date Assignee Title
JPH06129246A (ja) * 1992-09-02 1994-05-10 Toyota Motor Corp 内燃機関の排気浄化装置
JPH06257487A (ja) * 1993-03-09 1994-09-13 Nissan Motor Co Ltd 内燃機関の排気浄化装置
JPH06272536A (ja) * 1993-03-17 1994-09-27 Toyota Motor Corp 内燃機関の排気浄化装置
JPH06280550A (ja) * 1993-03-24 1994-10-04 Toyota Motor Corp 内燃機関の排気浄化装置

Family Cites Families (9)

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US5473887A (en) 1991-10-03 1995-12-12 Toyota Jidosha Kabushiki Kaisha Exhaust purification device of internal combustion engine
JP2586738B2 (ja) * 1991-10-14 1997-03-05 トヨタ自動車株式会社 内燃機関の排気浄化装置
WO1993025806A1 (en) 1992-06-12 1993-12-23 Toyota Jidosha Kabushiki Kaisha Exhaust emission control system for internal combustion engine
JP3085192B2 (ja) 1996-04-26 2000-09-04 三菱自動車工業株式会社 エンジンの排気ガス浄化装置
DE19640161A1 (de) * 1996-09-28 1998-04-02 Volkswagen Ag NOx-Abgasreinigungsverfahren
JP4034375B2 (ja) * 1997-04-03 2008-01-16 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP3264226B2 (ja) * 1997-08-25 2002-03-11 トヨタ自動車株式会社 内燃機関の排気浄化装置
US6125629A (en) * 1998-11-13 2000-10-03 Engelhard Corporation Staged reductant injection for improved NOx reduction
JP3750380B2 (ja) * 1998-11-25 2006-03-01 トヨタ自動車株式会社 内燃機関の排気浄化装置

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
JPH06129246A (ja) * 1992-09-02 1994-05-10 Toyota Motor Corp 内燃機関の排気浄化装置
JPH06257487A (ja) * 1993-03-09 1994-09-13 Nissan Motor Co Ltd 内燃機関の排気浄化装置
JPH06272536A (ja) * 1993-03-17 1994-09-27 Toyota Motor Corp 内燃機関の排気浄化装置
JPH06280550A (ja) * 1993-03-24 1994-10-04 Toyota Motor Corp 内燃機関の排気浄化装置

Non-Patent Citations (1)

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Title
See also references of EP0982487A4 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1130239A3 (en) * 2000-02-17 2004-01-21 Nissan Motor Co., Ltd. Engine exhaust purification device
JP2015025435A (ja) * 2013-07-29 2015-02-05 三菱自動車工業株式会社 内燃機関の排気浄化装置

Also Published As

Publication number Publication date
JP3341284B2 (ja) 2002-11-05
EP0982487B1 (en) 2003-07-16
DE69816438T2 (de) 2004-05-27
EP0982487A4 (en) 2000-05-17
EP0982487A1 (en) 2000-03-01
US6477834B1 (en) 2002-11-12
DE69816438D1 (de) 2003-08-21

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