GB0811244D0 - (EN) air-fuel ratio judging method in internal combustion engine based in ion current (JA) - Google Patents

(EN) air-fuel ratio judging method in internal combustion engine based in ion current (JA)

Info

Publication number
GB0811244D0
GB0811244D0 GBGB0811244.3A GB0811244A GB0811244D0 GB 0811244 D0 GB0811244 D0 GB 0811244D0 GB 0811244 A GB0811244 A GB 0811244A GB 0811244 D0 GB0811244 D0 GB 0811244D0
Authority
GB
United Kingdom
Prior art keywords
air
combustion engine
internal combustion
fuel ratio
ion current
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.)
Withdrawn
Application number
GBGB0811244.3A
Other versions
GB2447181A (en
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.)
Daihatsu Motor Co Ltd
Toyota Motor Corp
Diamond Electric Manufacturing Co Ltd
Original Assignee
Daihatsu Motor Co Ltd
Toyota Motor Corp
Diamond Electric Manufacturing Co Ltd
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 Daihatsu Motor Co Ltd, Toyota Motor Corp, Diamond Electric Manufacturing Co Ltd filed Critical Daihatsu Motor Co Ltd
Publication of GB0811244D0 publication Critical patent/GB0811244D0/en
Publication of GB2447181A publication Critical patent/GB2447181A/en
Withdrawn legal-status Critical Current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
    • F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
    • F02D35/02—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
    • F02D35/021—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions using an ionic current sensor
    • 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
    • F02D41/1458—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 with determination means using an estimation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D37/00—Non-electrical conjoint control of two or more functions of engines, not otherwise provided for
    • F02D37/02—Non-electrical conjoint control of two or more functions of engines, not otherwise provided for one of the functions being ignition

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)
  • Ignition Installations For Internal Combustion Engines (AREA)
GB0811244A 2006-01-10 2008-06-19 (EN) air-fuel ratio judging method in internal combustion engine based in ion current (JA) Withdrawn GB2447181A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006002524A JP2007182845A (en) 2006-01-10 2006-01-10 Air-fuel ratio-determining method for internal combustion engine based on ion current
PCT/JP2006/326135 WO2007080800A1 (en) 2006-01-10 2006-12-27 Air-fuel ratio judging method of internal combustion engine based on ion current

Publications (2)

Publication Number Publication Date
GB0811244D0 true GB0811244D0 (en) 2008-07-30
GB2447181A GB2447181A (en) 2008-09-03

Family

ID=38256211

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0811244A Withdrawn GB2447181A (en) 2006-01-10 2008-06-19 (EN) air-fuel ratio judging method in internal combustion engine based in ion current (JA)

Country Status (5)

Country Link
JP (1) JP2007182845A (en)
CN (1) CN101356354A (en)
DE (1) DE112006003637T5 (en)
GB (1) GB2447181A (en)
WO (1) WO2007080800A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103603738B (en) * 2013-11-18 2016-10-19 同济大学 Method based on ion current prediction air-fuel ratio in engine cylinder
CN110501100A (en) * 2019-09-23 2019-11-26 重庆长安汽车股份有限公司 A kind of motor torque detection method based on ignition discharge ionization signal

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3150429B2 (en) * 1992-07-21 2001-03-26 ダイハツ工業株式会社 Lean limit detection method using ion current
JPH06249121A (en) * 1993-02-23 1994-09-06 Ngk Spark Plug Co Ltd Combustion condition detecting device for gasoline engine
JPH07293315A (en) * 1994-04-27 1995-11-07 Daihatsu Motor Co Ltd Air-fuel ratio detecting method
JP3234418B2 (en) * 1994-11-25 2001-12-04 ダイハツ工業株式会社 Lean limit detection method
JP3182357B2 (en) * 1996-12-18 2001-07-03 ダイハツ工業株式会社 Lean combustion control limit detection method for internal combustion engine
JP2003184635A (en) * 2001-12-20 2003-07-03 Fuji Heavy Ind Ltd Engine misfire detecting device using ion current and recording medium recording program to be used for the same
JP2003184725A (en) * 2001-12-20 2003-07-03 Honda Motor Co Ltd Misfire detection device for internal combustion engine

Also Published As

Publication number Publication date
GB2447181A (en) 2008-09-03
JP2007182845A (en) 2007-07-19
WO2007080800A1 (en) 2007-07-19
CN101356354A (en) 2009-01-28
DE112006003637T5 (en) 2008-11-27

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)