CA1183238A - Methode et dispositif de dosage du melange d'air et de carburant - Google Patents

Methode et dispositif de dosage du melange d'air et de carburant

Info

Publication number
CA1183238A
CA1183238A CA000396127A CA396127A CA1183238A CA 1183238 A CA1183238 A CA 1183238A CA 000396127 A CA000396127 A CA 000396127A CA 396127 A CA396127 A CA 396127A CA 1183238 A CA1183238 A CA 1183238A
Authority
CA
Canada
Prior art keywords
air
fuel
fuel ratio
sensor
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
Application number
CA000396127A
Other languages
English (en)
Inventor
Kenneth R. Burns
Jack J. Early
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.)
BASF Catalysts LLC
Original Assignee
Engelhard 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 Engelhard Corp filed Critical Engelhard Corp
Application granted granted Critical
Publication of CA1183238A publication Critical patent/CA1183238A/fr
Expired 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
    • F02D41/24—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
    • F02D41/2458—Learning of the air-fuel ratio control with an additional dither signal
    • 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

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)
  • Exhaust Gas After Treatment (AREA)
CA000396127A 1981-02-13 1982-02-12 Methode et dispositif de dosage du melange d'air et de carburant Expired CA1183238A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US23507181A 1981-02-13 1981-02-13
US235,071 1981-02-13

Publications (1)

Publication Number Publication Date
CA1183238A true CA1183238A (fr) 1985-02-26

Family

ID=22883985

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000396127A Expired CA1183238A (fr) 1981-02-13 1982-02-12 Methode et dispositif de dosage du melange d'air et de carburant

Country Status (6)

Country Link
JP (1) JPS57151042A (fr)
BR (1) BR8200773A (fr)
CA (1) CA1183238A (fr)
DE (1) DE3204969A1 (fr)
GB (1) GB2093228A (fr)
SE (1) SE8200867L (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4502444A (en) * 1983-07-19 1985-03-05 Engelhard Corporation Air-fuel ratio controller
DE3920661A1 (de) * 1989-06-23 1991-01-10 Comuna Metall Vorrichtungs Und Verfahren und vorrichtung zur einstellung eines optimalen luft-brennstoff-verhaeltnisses bei einer brennstoffmaschine mit katalytischer abgasreinigung
US6260547B1 (en) * 2000-02-01 2001-07-17 Michael Spencer-Smith Apparatus and method for improving the performance of a motor vehicle internal combustion engine
US6837233B1 (en) 2002-11-04 2005-01-04 Michael Spencer-Smith System for enhancing performance of an internal combustion engine
GB201617349D0 (en) 2016-10-13 2016-11-30 Johnson Matthey Public Limited Company Oxidation catalyst for hydrocarbons produced by an internal combustion engine

Also Published As

Publication number Publication date
DE3204969A1 (de) 1982-08-19
BR8200773A (pt) 1982-12-21
GB2093228A (en) 1982-08-25
JPS57151042A (en) 1982-09-18
SE8200867L (sv) 1982-08-14

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