EP1536121B1 - Catalyst control apparatus for internal combustion engine and method for performing catalyst control - Google Patents

Catalyst control apparatus for internal combustion engine and method for performing catalyst control Download PDF

Info

Publication number
EP1536121B1
EP1536121B1 EP20040027791 EP04027791A EP1536121B1 EP 1536121 B1 EP1536121 B1 EP 1536121B1 EP 20040027791 EP20040027791 EP 20040027791 EP 04027791 A EP04027791 A EP 04027791A EP 1536121 B1 EP1536121 B1 EP 1536121B1
Authority
EP
European Patent Office
Prior art keywords
fuel ratio
air
catalyst
detected
value
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 - Fee Related
Application number
EP20040027791
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1536121A1 (en
Inventor
Masaaki Kobayashi
Masaaki Yamaguchi
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 EP1536121A1 publication Critical patent/EP1536121A1/en
Application granted granted Critical
Publication of EP1536121B1 publication Critical patent/EP1536121B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
    • F02D41/2425—Particular ways of programming the data
    • F02D41/2429—Methods of calibrating or learning
    • F02D41/2451—Methods of calibrating or learning characterised by what is learned or calibrated
    • F02D41/2454—Learning of the air-fuel ratio control
    • 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
    • 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
    • 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
    • F01N3/0821—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with particulate filters
    • 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
    • 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
    • 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
    • F02D41/14—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
    • F02D41/1454—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 an oxygen content or concentration or the air-fuel ratio
    • 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
    • F02D41/30—Controlling fuel injection
    • F02D41/38—Controlling fuel injection of the high pressure type
    • F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
    • F02D41/402—Multiple injections
    • F02D41/405—Multiple injections with post injections
EP20040027791 2003-11-25 2004-11-23 Catalyst control apparatus for internal combustion engine and method for performing catalyst control Expired - Fee Related EP1536121B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003394410 2003-11-25
JP2003394410A JP4296909B2 (ja) 2003-11-25 2003-11-25 内燃機関の触媒制御装置

Publications (2)

Publication Number Publication Date
EP1536121A1 EP1536121A1 (en) 2005-06-01
EP1536121B1 true EP1536121B1 (en) 2007-01-03

Family

ID=34463783

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20040027791 Expired - Fee Related EP1536121B1 (en) 2003-11-25 2004-11-23 Catalyst control apparatus for internal combustion engine and method for performing catalyst control

Country Status (4)

Country Link
EP (1) EP1536121B1 (ja)
JP (1) JP4296909B2 (ja)
DE (1) DE602004004047T2 (ja)
ES (1) ES2276212T3 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8359837B2 (en) 2006-12-22 2013-01-29 Cummins Inc. Temperature determination and control of exhaust aftertreatment system adsorbers

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4548309B2 (ja) 2005-11-02 2010-09-22 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP4894529B2 (ja) * 2007-01-18 2012-03-14 トヨタ自動車株式会社 触媒劣化検出装置
JP4442618B2 (ja) 2007-02-21 2010-03-31 トヨタ自動車株式会社 内燃機関の排気浄化制御装置
JP4697182B2 (ja) 2007-05-15 2011-06-08 トヨタ自動車株式会社 内燃機関の排気浄化制御装置
JP5053163B2 (ja) * 2008-04-28 2012-10-17 本田技研工業株式会社 内燃機関の排気浄化装置
DE102008059698A1 (de) * 2008-11-29 2010-06-02 Daimler Ag Verfahren zum Betreiben eines Dieselmotors mit einer einen Stickoxid-Speicherkatalysator aufweisenden Abgasreinigungsanlage
US8484945B2 (en) 2010-07-16 2013-07-16 Honda Motor Co., Ltd. Method for managing temperatures in an exhaust system of a motor vehicle
JP7234956B2 (ja) * 2020-02-03 2023-03-08 トヨタ自動車株式会社 空燃比検出装置の異常検出装置
DE102021103944A1 (de) 2021-02-19 2022-08-25 Bayerische Motoren Werke Aktiengesellschaft Verfahren zum Betreiben einer Verbrennungskraftmaschine eines Kraftfahrzeugs sowie Kraftfahrzeug mit einer Verbrennungskraftmaschine

Family Cites Families (3)

* 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
DE10142669B4 (de) * 2001-08-31 2004-04-15 Bayerische Motoren Werke Ag Motorsteuerung und Verfahren zum Reinigen eines Katalysators in einer Abgasanlage einer Mehrzylinderbrennkraftmaschine
JP3963103B2 (ja) * 2002-01-11 2007-08-22 日産自動車株式会社 内燃機関の排気浄化装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8359837B2 (en) 2006-12-22 2013-01-29 Cummins Inc. Temperature determination and control of exhaust aftertreatment system adsorbers

Also Published As

Publication number Publication date
JP2005155422A (ja) 2005-06-16
EP1536121A1 (en) 2005-06-01
ES2276212T3 (es) 2007-06-16
DE602004004047T2 (de) 2007-07-19
DE602004004047D1 (de) 2007-02-15
JP4296909B2 (ja) 2009-07-15

Similar Documents

Publication Publication Date Title
EP1996810B1 (en) Exhaust gas control system for internal combustion engine
US7013638B2 (en) Exhaust gas purifying system and exhaust gas purifying method
EP1725752B1 (en) Regeneration controller for exhaust purification apparatus of internal combustion engine
EP1723322B1 (en) Regeneration controller for exhaust purification apparatus of internal combustion engine
EP2134948B1 (en) Internal combustion engine exhaust gas system and control method of the same
US8333061B2 (en) Exhaust gas purifying apparatus for internal combustion engine
JP4120523B2 (ja) 内燃機関の排気還流制御装置
KR100649403B1 (ko) ＮＯｘ 흡장 촉매의 흡장량 추정 장치 및 흡장량 추정 방법
EP1536121B1 (en) Catalyst control apparatus for internal combustion engine and method for performing catalyst control
EP1505271B1 (en) Reducing agent supply error detecting method for an exhaust gas control catalyst and corresponding detecting apparatus
JP3988518B2 (ja) 内燃機関の排ガス浄化装置
JP2005240719A (ja) フィルタの再生時期検出装置およびフィルタの再生制御装置
EP1536120B1 (en) Exhaust gas control apparatus for internal combustion engine and control method thereof
EP1519021B1 (en) Catalyst deterioration determination apparatus of internal combustion engine
EP1515030A2 (en) Method and apparatus for controlling sulfur poisoning recovery of a catalyst
JP4737159B2 (ja) 内燃機関の排気浄化装置及び粒子状物質排出量推定方法
CN110945218B (zh) 排气净化系统
JP2008157187A (ja) エンジンのｅｇｒ制御装置
JP4190378B2 (ja) 内燃機関の触媒床温推定装置、及び内燃機関の制御装置
JP2001317344A (ja) 内燃機関の排気浄化装置
JP2006194148A (ja) ディーゼルエンジンのｅｇｒ制御装置

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20041123

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LU MC NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL HR LT LV MK YU

AKX Designation fees paid

Designated state(s): DE ES FR GB IT

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE ES FR GB IT

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REF Corresponds to:

Ref document number: 602004004047

Country of ref document: DE

Date of ref document: 20070215

Kind code of ref document: P

ET Fr: translation filed
REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2276212

Country of ref document: ES

Kind code of ref document: T3

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20071005

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20101113

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20121121

Year of fee payment: 9

Ref country code: FR

Payment date: 20121130

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20121123

Year of fee payment: 9

Ref country code: GB

Payment date: 20121121

Year of fee payment: 9

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20121123

REG Reference to a national code

Ref country code: GB

Ref legal event code: 746

Effective date: 20130827

REG Reference to a national code

Ref country code: DE

Ref legal event code: R084

Ref document number: 602004004047

Country of ref document: DE

Effective date: 20130829

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20131123

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20140731

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20140603

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 602004004047

Country of ref document: DE

Effective date: 20140603

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20131123

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20131202

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20150703

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20131124