EP0079570A3 - Regulation apparatus for the air/fuel ratio of an internal-combustion engine - Google Patents

Regulation apparatus for the air/fuel ratio of an internal-combustion engine Download PDF

Info

Publication number
EP0079570A3
EP0079570A3 EP82110341A EP82110341A EP0079570A3 EP 0079570 A3 EP0079570 A3 EP 0079570A3 EP 82110341 A EP82110341 A EP 82110341A EP 82110341 A EP82110341 A EP 82110341A EP 0079570 A3 EP0079570 A3 EP 0079570A3
Authority
EP
European Patent Office
Prior art keywords
internal
air
combustion engine
fuel ratio
regulation apparatus
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.)
Granted
Application number
EP82110341A
Other languages
German (de)
Other versions
EP0079570B1 (en
EP0079570A2 (en
Inventor
Lorenz Dipl.-Ing. Salzer
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.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke AG
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 Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Publication of EP0079570A2 publication Critical patent/EP0079570A2/en
Publication of EP0079570A3 publication Critical patent/EP0079570A3/en
Application granted granted Critical
Publication of EP0079570B1 publication Critical patent/EP0079570B1/en
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
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/18—Circuit arrangements for generating control signals by measuring intake air flow
    • 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
    • F02D41/1445—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 related to the exhaust flow
    • 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
    • F02D41/1438—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
EP82110341A 1981-11-13 1982-11-10 Regulation apparatus for the air/fuel ratio of an internal-combustion engine Expired EP0079570B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3145235 1981-11-13
DE3145235A DE3145235C1 (en) 1981-11-13 1981-11-13 Control device for the air ratio of internal combustion engines

Publications (3)

Publication Number Publication Date
EP0079570A2 EP0079570A2 (en) 1983-05-25
EP0079570A3 true EP0079570A3 (en) 1984-12-05
EP0079570B1 EP0079570B1 (en) 1987-01-14

Family

ID=6146374

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82110341A Expired EP0079570B1 (en) 1981-11-13 1982-11-10 Regulation apparatus for the air/fuel ratio of an internal-combustion engine

Country Status (2)

Country Link
EP (1) EP0079570B1 (en)
DE (2) DE3145235C1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2544353B2 (en) * 1986-09-03 1996-10-16 株式会社日立製作所 Engine rotation synchronous control method
DE3743315A1 (en) * 1987-12-21 1989-06-29 Bosch Gmbh Robert EVALUATION DEVICE FOR THE MEASURING SIGNAL OF A LAMB PROBE
DE4003752A1 (en) * 1990-02-08 1991-08-14 Bosch Gmbh Robert METHOD FOR ASSIGNING COMBUSTION ERRORS TO A CYLINDER OF AN INTERNAL COMBUSTION ENGINE

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2001871A1 (en) * 1968-02-14 1969-10-03 Daimler Benz Ag
FR2119155A5 (en) * 1970-12-22 1972-08-04 Brev Etudes Sibe
US4003350A (en) * 1974-10-10 1977-01-18 Robert Bosch G.M.B.H. Fuel injection system
US4005689A (en) * 1975-04-30 1977-02-01 The Bendix Corporation Fuel injection system controlling air/fuel ratio by intake manifold gas sensor
US4130095A (en) * 1977-07-12 1978-12-19 General Motors Corporation Fuel control system with calibration learning capability for motor vehicle internal combustion engine
FR2455681A1 (en) * 1979-05-01 1980-11-28 Bendix Corp ELECTRONIC CONTROL SYSTEM FOR IMPROVED AIR / FUEL RATIO OF AN INTERNAL COMBUSTION ENGINE

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2407859A1 (en) * 1973-02-20 1974-08-22 Lucas Electrical Co Ltd FUEL CONTROL SYSTEM
DE2702863C2 (en) * 1977-01-25 1986-06-05 Robert Bosch Gmbh, 7000 Stuttgart Method and device for regulating the mixture ratio components of the operating mixture fed to an internal combustion engine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2001871A1 (en) * 1968-02-14 1969-10-03 Daimler Benz Ag
FR2119155A5 (en) * 1970-12-22 1972-08-04 Brev Etudes Sibe
US4003350A (en) * 1974-10-10 1977-01-18 Robert Bosch G.M.B.H. Fuel injection system
US4005689A (en) * 1975-04-30 1977-02-01 The Bendix Corporation Fuel injection system controlling air/fuel ratio by intake manifold gas sensor
US4130095A (en) * 1977-07-12 1978-12-19 General Motors Corporation Fuel control system with calibration learning capability for motor vehicle internal combustion engine
FR2455681A1 (en) * 1979-05-01 1980-11-28 Bendix Corp ELECTRONIC CONTROL SYSTEM FOR IMPROVED AIR / FUEL RATIO OF AN INTERNAL COMBUSTION ENGINE

Also Published As

Publication number Publication date
DE3145235C1 (en) 1983-07-21
DE3275111D1 (en) 1987-02-19
EP0079570B1 (en) 1987-01-14
EP0079570A2 (en) 1983-05-25

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