GB2277609B - Engine air-fuel ratio controller - Google Patents

Engine air-fuel ratio controller

Info

Publication number
GB2277609B
GB2277609B GB9405430A GB9405430A GB2277609B GB 2277609 B GB2277609 B GB 2277609B GB 9405430 A GB9405430 A GB 9405430A GB 9405430 A GB9405430 A GB 9405430A GB 2277609 B GB2277609 B GB 2277609B
Authority
GB
United Kingdom
Prior art keywords
fuel ratio
engine air
ratio controller
controller
engine
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
GB9405430A
Other versions
GB9405430D0 (en
GB2277609A (en
Inventor
Hatsuo Nagaishi
Masaaki Uchida
Hiroyuki Itoyama
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.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor 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 Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Publication of GB9405430D0 publication Critical patent/GB9405430D0/en
Publication of GB2277609A publication Critical patent/GB2277609A/en
Application granted granted Critical
Publication of GB2277609B publication Critical patent/GB2277609B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F02D41/02—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
    • F02D41/1477—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation circuit or part of it,(e.g. comparator, PI regulator, output)
    • F02D41/1479—Using a comparator with variable reference
    • 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
    • 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
    • F02D41/1497—With detection of the mechanical response of the engine
    • F02D41/1498—With detection of the mechanical response of the engine measuring engine roughness
    • 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
    • F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
    • F02D2200/1015—Engines misfires

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
GB9405430A 1993-03-19 1994-03-18 Engine air-fuel ratio controller Expired - Lifetime GB2277609B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5060030A JP2924547B2 (en) 1993-03-19 1993-03-19 Air-fuel ratio control device for internal combustion engine

Publications (3)

Publication Number Publication Date
GB9405430D0 GB9405430D0 (en) 1994-05-04
GB2277609A GB2277609A (en) 1994-11-02
GB2277609B true GB2277609B (en) 1996-08-21

Family

ID=13130270

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9405430A Expired - Lifetime GB2277609B (en) 1993-03-19 1994-03-18 Engine air-fuel ratio controller

Country Status (3)

Country Link
JP (1) JP2924547B2 (en)
DE (1) DE4409380C2 (en)
GB (1) GB2277609B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3422447B2 (en) * 1995-04-12 2003-06-30 本田技研工業株式会社 Control device for internal combustion engine
GB2332758B (en) * 1995-04-12 1999-11-10 Honda Motor Co Ltd Control system for internal combustion engine
FR2755184B1 (en) * 1996-10-31 1999-01-15 Renault SYSTEM FOR REGULATING THE WEALTH OF AN INJECTION HEAT ENGINE WITH ADAPTIVE WEALTH SETTING
CN114183265B (en) * 2021-10-29 2024-03-08 东风商用车有限公司 Gas engine air-fuel ratio control system and method based on catalyst aging model

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0272841A2 (en) * 1986-12-23 1988-06-29 Pall Corporation Filtration media

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0713493B2 (en) * 1983-08-24 1995-02-15 株式会社日立製作所 Air-fuel ratio controller for internal combustion engine
GB2173924B (en) * 1985-04-16 1989-05-04 Honda Motor Co Ltd Air-fuel ratio control system for an internal combustion engine with a transmission gear responsive correction operation
JP2844205B2 (en) * 1989-02-14 1999-01-06 マツダ株式会社 Engine air-fuel ratio control device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0272841A2 (en) * 1986-12-23 1988-06-29 Pall Corporation Filtration media

Also Published As

Publication number Publication date
JP2924547B2 (en) 1999-07-26
DE4409380C2 (en) 1996-08-22
DE4409380A1 (en) 1994-09-22
GB9405430D0 (en) 1994-05-04
GB2277609A (en) 1994-11-02
JPH06272591A (en) 1994-09-27

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20140317