EP0081759A3 - Apparatus for regulating the air-fuel ratio in an internal-combustion engine - Google Patents

Apparatus for regulating the air-fuel ratio in an internal-combustion engine Download PDF

Info

Publication number
EP0081759A3
EP0081759A3 EP82111154A EP82111154A EP0081759A3 EP 0081759 A3 EP0081759 A3 EP 0081759A3 EP 82111154 A EP82111154 A EP 82111154A EP 82111154 A EP82111154 A EP 82111154A EP 0081759 A3 EP0081759 A3 EP 0081759A3
Authority
EP
European Patent Office
Prior art keywords
regulating
internal
air
combustion engine
fuel 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.)
Granted
Application number
EP82111154A
Other languages
German (de)
Other versions
EP0081759A2 (en
EP0081759B1 (en
Inventor
Werner Dipl.-Ing. Jundt
Rolf Dipl.-Ing. Reischl
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0081759A2 publication Critical patent/EP0081759A2/en
Publication of EP0081759A3 publication Critical patent/EP0081759A3/en
Application granted granted Critical
Publication of EP0081759B1 publication Critical patent/EP0081759B1/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
    • F02D41/14—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
    • F02D41/1477—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)
    • F02D41/148—Using a plurality of comparators

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)
EP82111154A 1981-12-11 1982-12-02 Apparatus for regulating the air-fuel ratio in an internal-combustion engine Expired EP0081759B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19813149136 DE3149136A1 (en) 1981-12-11 1981-12-11 DEVICE FOR REGULATING THE FUEL-AIR RATIO IN INTERNAL COMBUSTION ENGINES
DE3149136 1981-12-11

Publications (3)

Publication Number Publication Date
EP0081759A2 EP0081759A2 (en) 1983-06-22
EP0081759A3 true EP0081759A3 (en) 1984-11-28
EP0081759B1 EP0081759B1 (en) 1988-03-16

Family

ID=6148504

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82111154A Expired EP0081759B1 (en) 1981-12-11 1982-12-02 Apparatus for regulating the air-fuel ratio in an internal-combustion engine

Country Status (4)

Country Link
US (1) US4492205A (en)
EP (1) EP0081759B1 (en)
JP (1) JPS58106152A (en)
DE (2) DE3149136A1 (en)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3149136A1 (en) * 1981-12-11 1983-06-23 Robert Bosch Gmbh, 7000 Stuttgart DEVICE FOR REGULATING THE FUEL-AIR RATIO IN INTERNAL COMBUSTION ENGINES
JPS6090937A (en) * 1983-10-22 1985-05-22 Nippon Denso Co Ltd Air-fuel ratio controlling apparatus
JPS60235050A (en) * 1984-05-07 1985-11-21 Toyota Motor Corp Method for controlling current supplied to electric heater of oxygen sensor
DE3433305A1 (en) * 1984-09-11 1986-03-20 Westfälische Metall Industrie KG Hueck & Co, 4780 Lippstadt Method and device for regulating the composition of the fuel-air mixture of an internal combustion engine
DE3727573A1 (en) * 1987-08-19 1989-03-02 Bosch Gmbh Robert METHOD AND DEVICE FOR WARM-UP, FULL-LOAD AND Lean-regulation of an Internal Combustion Engine at a Specified Lambda Value
DE3839634A1 (en) * 1988-11-24 1990-05-31 Bosch Gmbh Robert METHOD AND DEVICE FOR DETERMINING AT LEAST ONE THRESHOLD VOLTAGE IN LAMBDA ONE CONTROL
DE3904986A1 (en) * 1989-02-18 1990-08-23 Bosch Gmbh Robert METHOD FOR DETECTING THE READY FOR OPERATION OF A LAMBED PROBE
US5337722A (en) * 1992-04-16 1994-08-16 Yamaha Hatsudoki Kabushiki Kaisha Fuel control and feed system for gas fueled engine
US5546919A (en) * 1993-08-31 1996-08-20 Yamaha Hatsudoki Kabushiki Kaisha Operating arrangement for gaseous fueled engine
JP3139592B2 (en) * 1993-08-31 2001-03-05 ヤマハ発動機株式会社 Gas-fuel mixture mixture formation device
US5575266A (en) * 1993-08-31 1996-11-19 Yamaha Hatsudoki Kabushiki Kaisha Method of operating gaseous fueled engine
US5392643A (en) * 1993-11-22 1995-02-28 Chrysler Corporation Oxygen heater sensor diagnostic routine
DE4402618C2 (en) * 1994-01-28 1998-04-30 Uwe Bastian Method and measuring arrangement for checking the lambda control loop in the case of regulated exhaust gas catalysts
JPH07253049A (en) * 1994-03-14 1995-10-03 Yamaha Motor Co Ltd Fuel supply device for gaseous fuel engine
JPH07253048A (en) * 1994-03-15 1995-10-03 Yamaha Motor Co Ltd Air-fuel mixture forming method of gaseous fuel engine and device thereof
DE19729696C2 (en) * 1997-07-11 2002-02-21 Bosch Gmbh Robert Method and device for monitoring the function of a gas probe
US6176224B1 (en) 1998-03-30 2001-01-23 Caterpillar Inc. Method of operating an internal combustion engine which uses a low energy gaseous fuel
US7854924B2 (en) * 2004-03-30 2010-12-21 Relypsa, Inc. Methods and compositions for treatment of ion imbalances
KR101228233B1 (en) * 2004-03-30 2013-01-31 리립사, 인크. Ion binding polymers and uses thereof
DE102004050092B3 (en) * 2004-10-14 2006-04-13 Siemens Ag Method for controlling the lambda value of an internal combustion engine
KR20080057319A (en) * 2005-09-30 2008-06-24 일립사, 인코포레이티드 Methods for preparing core-shell composites having cross-linked shells and core-shell composites resulting therefrom
WO2007041569A1 (en) * 2005-09-30 2007-04-12 Ilypsa, Inc. Methods and compositions for selectively removing potassium ion from the gastrointestinal tract of a mammal
WO2010022380A2 (en) 2008-08-22 2010-02-25 Relypsa, Inc. Linear polyol stabilized polyfluoroacrylate compositions
US20100104527A1 (en) * 2008-08-22 2010-04-29 Relypsa, Inc. Treating hyperkalemia with crosslinked cation exchange polymers of improved physical properties
US10813946B2 (en) 2012-10-08 2020-10-27 Vifor (International) Ltd. Potassium binding polymers for treating hypertension and hyperkalemia

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2707383A1 (en) * 1977-02-21 1978-08-24 Bosch Gmbh Robert METHOD AND DEVICE FOR MONITORING THE OPERATIONAL READINESS OF A LAMBDA PROBE
GB2060177A (en) * 1979-10-09 1981-04-29 Nissan Motor System for feedback control of air-fuel ration in ic engine with subsystem to control current supply to oxygen sensor

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE411784B (en) * 1975-04-18 1980-02-04 Bosch Gmbh Robert SET AND DEVICE FOR DETERMINING THE DURATION OF FUEL SUPPLY PULSE
DE2649272C2 (en) * 1976-05-22 1986-04-03 Robert Bosch Gmbh, 7000 Stuttgart Control method and mixture ratio control device for determining the proportions of a fuel-air mixture fed to an internal combustion engine
JPS5382927A (en) * 1976-12-28 1978-07-21 Nissan Motor Co Ltd Air-fuel ratio controlling apparatus
DE2700629A1 (en) * 1977-01-08 1978-07-20 Bosch Gmbh Robert DEVICE FOR DETECTING THE READINESS OF A LAMBDA PROBE
US4263652A (en) * 1978-02-27 1981-04-21 The Bendix Corporation Oxygen sensor signal conditioner
DE2919220A1 (en) * 1979-05-12 1980-11-27 Bosch Gmbh Robert METHOD FOR REGULATING THE FUEL / AIR RATIO IN INTERNAL COMBUSTION ENGINES
DE3024607A1 (en) * 1980-06-28 1982-02-04 Robert Bosch Gmbh, 7000 Stuttgart DEVICE FOR REGULATING THE FUEL / AIR RATIO IN INTERNAL COMBUSTION ENGINES
DE3149136A1 (en) * 1981-12-11 1983-06-23 Robert Bosch Gmbh, 7000 Stuttgart DEVICE FOR REGULATING THE FUEL-AIR RATIO IN INTERNAL COMBUSTION ENGINES

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2707383A1 (en) * 1977-02-21 1978-08-24 Bosch Gmbh Robert METHOD AND DEVICE FOR MONITORING THE OPERATIONAL READINESS OF A LAMBDA PROBE
GB2060177A (en) * 1979-10-09 1981-04-29 Nissan Motor System for feedback control of air-fuel ration in ic engine with subsystem to control current supply to oxygen sensor

Also Published As

Publication number Publication date
JPH0380976B2 (en) 1991-12-26
EP0081759A2 (en) 1983-06-22
DE3278245D1 (en) 1988-04-21
DE3149136C2 (en) 1990-05-31
JPS58106152A (en) 1983-06-24
EP0081759B1 (en) 1988-03-16
DE3149136A1 (en) 1983-06-23
US4492205A (en) 1985-01-08

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