DE69923762D1 - Steuerungsvorrichtung für das Kraftstoff/-Luftverhältnis in einer Brennkraftmaschine - Google Patents

Steuerungsvorrichtung für das Kraftstoff/-Luftverhältnis in einer Brennkraftmaschine

Info

Publication number
DE69923762D1
DE69923762D1 DE69923762T DE69923762T DE69923762D1 DE 69923762 D1 DE69923762 D1 DE 69923762D1 DE 69923762 T DE69923762 T DE 69923762T DE 69923762 T DE69923762 T DE 69923762T DE 69923762 D1 DE69923762 D1 DE 69923762D1
Authority
DE
Germany
Prior art keywords
fuel
control device
combustion engine
internal combustion
air ratio
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
DE69923762T
Other languages
English (en)
Other versions
DE69923762T2 (de
Inventor
Noritake Mitsutani
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
Priority claimed from JP08568199A external-priority patent/JP3671727B2/ja
Application filed by Toyota Motor Corp filed Critical Toyota Motor Corp
Application granted granted Critical
Publication of DE69923762D1 publication Critical patent/DE69923762D1/de
Publication of DE69923762T2 publication Critical patent/DE69923762T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D41/003—Adding fuel vapours, e.g. drawn from engine fuel reservoir
    • F02D41/0045—Estimating, calculating or determining the purging rate, amount, flow or concentration
    • 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
    • F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D41/003—Adding fuel vapours, e.g. drawn from engine fuel reservoir
    • F02D41/0042—Controlling the combustible mixture as a function of the canister purging, e.g. control of injected fuel to compensate for deviation of air fuel ratio when 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
    • F02D41/24—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
    • F02D41/2441—Methods of calibrating or learning characterised by the learning conditions
    • F02D41/2445—Methods of calibrating or learning characterised by the learning conditions characterised by a plurality of learning conditions or ranges
    • 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
    • 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
    • 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
    • F02D41/2477—Methods of calibrating or learning characterised by the method used for learning
    • F02D41/248—Methods of calibrating or learning characterised by the method used for learning using a plurality of learned values
    • 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
    • F02D41/2441—Methods of calibrating or learning characterised by the learning conditions
    • F02D41/2448—Prohibition of learning
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
    • F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Supplying Secondary Fuel Or The Like To Fuel, Air Or Fuel-Air Mixtures (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
DE69923762T 1999-03-29 1999-12-07 Steuerungsvorrichtung für das Kraftstoff/-Luftverhältnis in einer Brennkraftmaschine Expired - Fee Related DE69923762T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP08568199A JP3671727B2 (ja) 1998-06-09 1999-03-29 内燃機関の空燃比制御装置
JP8568199 1999-03-29

Publications (2)

Publication Number Publication Date
DE69923762D1 true DE69923762D1 (de) 2005-03-24
DE69923762T2 DE69923762T2 (de) 2006-01-19

Family

ID=13865598

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69923762T Expired - Fee Related DE69923762T2 (de) 1999-03-29 1999-12-07 Steuerungsvorrichtung für das Kraftstoff/-Luftverhältnis in einer Brennkraftmaschine

Country Status (3)

Country Link
US (1) US6230699B1 (de)
EP (1) EP1041271B1 (de)
DE (1) DE69923762T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3334675B2 (ja) * 1999-05-21 2002-10-15 トヨタ自動車株式会社 内燃機関の空燃比制御装置
JP3788204B2 (ja) * 1999-08-31 2006-06-21 スズキ株式会社 エンジンのパージ制御装置
US6644291B2 (en) * 2002-03-14 2003-11-11 Ford Global Technologies, Llc Control method and apparatus for adaptively determining a fuel pulse width
JP4453538B2 (ja) * 2004-12-16 2010-04-21 トヨタ自動車株式会社 内燃機関の燃料噴射制御装置
JP4656092B2 (ja) * 2007-06-11 2011-03-23 トヨタ自動車株式会社 内燃機関の制御装置
JP5783015B2 (ja) * 2011-11-30 2015-09-24 スズキ株式会社 船外機用内燃機関の空燃比制御装置、空燃比制御方法およびプログラム
US9316166B2 (en) * 2013-03-15 2016-04-19 GM Global Technology Operations LLC System and method for controlling an operating frequency of a purge valve to improve fuel distribution to cylinders of an engine
JP6245223B2 (ja) * 2014-06-30 2017-12-13 トヨタ自動車株式会社 内燃機関の制御システム
US9828954B2 (en) * 2015-06-30 2017-11-28 GM Global Technology Operations LLC Fuel control systems and methods for preventing over fueling
JP6844488B2 (ja) * 2017-10-03 2021-03-17 トヨタ自動車株式会社 内燃機関の制御装置
KR102394628B1 (ko) * 2017-12-08 2022-05-06 현대자동차주식회사 아이들 퍼지 오프 시 공연비 제어 방법
KR20200141828A (ko) * 2019-06-11 2020-12-21 현대자동차주식회사 퍼징시에 기통별로 연료를 보상하는 방법
US11788495B2 (en) 2020-01-22 2023-10-17 Square Head Inc. Fluid control system

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62174557A (ja) 1986-01-25 1987-07-31 Mazda Motor Corp エンジンの蒸発燃料制御装置
JPH0267441A (ja) * 1988-08-31 1990-03-07 Fuji Heavy Ind Ltd 空燃比学習制御装置
JPH03222841A (ja) * 1990-01-27 1991-10-01 Mazda Motor Corp エンジンの空燃比制御装置
JP3248216B2 (ja) 1992-03-05 2002-01-21 トヨタ自動車株式会社 内燃機関の蒸発燃料処理装置
US5299546A (en) * 1992-04-28 1994-04-05 Nippondenso, Co., Ltd. Air-fuel ratio control apparatus of internal combustion engine
JPH0610736A (ja) 1992-06-23 1994-01-18 Nippondenso Co Ltd 内燃機関の空燃比制御装置
JP3003487B2 (ja) 1993-12-13 2000-01-31 日産自動車株式会社 エンジンの蒸発燃料処理装置
JP3050030B2 (ja) 1993-12-28 2000-06-05 日産自動車株式会社 内燃機関の空燃比制御装置
JP3316074B2 (ja) 1994-02-22 2002-08-19 富士重工業株式会社 空燃比制御方法
JP3116718B2 (ja) 1994-04-22 2000-12-11 トヨタ自動車株式会社 蒸発燃料処理装置
US5623914A (en) * 1994-05-09 1997-04-29 Nissan Motor Co., Ltd. Air/fuel ratio control apparatus
JP3511722B2 (ja) * 1995-03-20 2004-03-29 三菱電機株式会社 内燃機関の空燃比制御装置
JP3339258B2 (ja) 1995-07-27 2002-10-28 日産自動車株式会社 内燃機関の蒸発燃料処理装置
JP3333365B2 (ja) * 1995-11-20 2002-10-15 株式会社ユニシアジェックス 内燃機関のアイドル回転速度学習制御装置
JP3175601B2 (ja) * 1996-08-26 2001-06-11 トヨタ自動車株式会社 希薄燃焼エンジンの吸気量制御装置
US5765541A (en) * 1997-04-03 1998-06-16 Ford Global Technologies, Inc. Engine control system for a lean burn engine having fuel vapor recovery
JP3206494B2 (ja) * 1997-06-04 2001-09-10 トヨタ自動車株式会社 内燃機関の蒸発燃料処理装置

Also Published As

Publication number Publication date
EP1041271A2 (de) 2000-10-04
DE69923762T2 (de) 2006-01-19
US6230699B1 (en) 2001-05-15
EP1041271A3 (de) 2001-10-31
EP1041271B1 (de) 2005-02-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee