EP0170891A3 - Method and apparatus for specifically controlling each cylinder group in a multicylinder engine - Google Patents

Method and apparatus for specifically controlling each cylinder group in a multicylinder engine Download PDF

Info

Publication number
EP0170891A3
EP0170891A3 EP85108335A EP85108335A EP0170891A3 EP 0170891 A3 EP0170891 A3 EP 0170891A3 EP 85108335 A EP85108335 A EP 85108335A EP 85108335 A EP85108335 A EP 85108335A EP 0170891 A3 EP0170891 A3 EP 0170891A3
Authority
EP
European Patent Office
Prior art keywords
cylinder group
multicylinder engine
specifically controlling
controlling
specifically
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
EP85108335A
Other languages
German (de)
Other versions
EP0170891A2 (en
EP0170891B1 (en
Inventor
Ferdinand Dipl.-Ing. Grob
Josef Dipl.-Ing. Wahl
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.)
OFFERTA DI LICENZA AL PUBBLICO;AL PUBBLICO
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 EP0170891A2 publication Critical patent/EP0170891A2/en
Publication of EP0170891A3 publication Critical patent/EP0170891A3/en
Application granted granted Critical
Publication of EP0170891B1 publication Critical patent/EP0170891B1/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
    • F02D41/008—Controlling each cylinder individually
    • F02D41/0082—Controlling each cylinder individually per groups or banks
    • 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
    • F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
    • F02D41/1408—Dithering techniques

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)
EP85108335A 1984-08-10 1985-07-05 Method and apparatus for specifically controlling each cylinder group in a multicylinder engine Expired EP0170891B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3429525 1984-08-10
DE19843429525 DE3429525A1 (en) 1984-08-10 1984-08-10 METHOD FOR CYLINDER GROUP-SPECIFIC CONTROL OF A MULTI-CYLINDER COMBUSTION ENGINE AND DEVICE FOR CARRYING OUT THE METHOD

Publications (3)

Publication Number Publication Date
EP0170891A2 EP0170891A2 (en) 1986-02-12
EP0170891A3 true EP0170891A3 (en) 1986-12-30
EP0170891B1 EP0170891B1 (en) 1989-01-11

Family

ID=6242809

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85108335A Expired EP0170891B1 (en) 1984-08-10 1985-07-05 Method and apparatus for specifically controlling each cylinder group in a multicylinder engine

Country Status (6)

Country Link
US (1) US4718015A (en)
EP (1) EP0170891B1 (en)
JP (1) JPH0663478B2 (en)
AU (1) AU573870B2 (en)
BR (1) BR8503773A (en)
DE (2) DE3429525A1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2589078B2 (en) * 1987-01-31 1997-03-12 マツダ株式会社 Air-fuel ratio controller for multi-cylinder engine
US4869222A (en) * 1988-07-15 1989-09-26 Ford Motor Company Control system and method for controlling actual fuel delivered by individual fuel injectors
JPH02301644A (en) * 1989-05-15 1990-12-13 Japan Electron Control Syst Co Ltd Individual-cylinder error detecting device, individual-cylinder learning device and individual-cylinder diagnosis device in fuel supply control device for internal combustion engine
US4962741A (en) * 1989-07-14 1990-10-16 Ford Motor Company Individual cylinder air/fuel ratio feedback control system
US5129379A (en) * 1989-09-06 1992-07-14 Hitachi, Ltd. Diagnosis system and optimum control system for internal combustion engine
DE3929746A1 (en) * 1989-09-07 1991-03-14 Bosch Gmbh Robert METHOD AND DEVICE FOR CONTROLLING AND REGULATING A SELF-IGNITIONING INTERNAL COMBUSTION ENGINE
US5515828A (en) * 1994-12-14 1996-05-14 Ford Motor Company Method and apparatus for air-fuel ratio and torque control for an internal combustion engine
US6243618B1 (en) 1997-10-30 2001-06-05 Honda Giken Kogyo Kabushiki Kaisha Method of marking number or the like and apparatus for marking the same
SE524108C2 (en) 2002-11-26 2004-06-29 Scania Cv Abp Method for controlling the fuel supply to an internal combustion engine
DE102005027650B4 (en) * 2005-06-15 2018-02-08 Robert Bosch Gmbh Method and device for operating an internal combustion engine
DE102006011723B3 (en) * 2006-03-14 2007-08-23 Siemens Ag Controlling cylinder-selective, direct fuel injection into vehicle internal combustion engine, minimizes lambda discrepancy by adjusting incremental cylinder-selective injections
JP2010502874A (en) * 2006-09-01 2010-01-28 モソモト カンパニー リミテッド Fuel saving device
DE102012020489B4 (en) * 2012-10-10 2014-04-30 Mtu Friedrichshafen Gmbh Method for adjusting the injection behavior of injectors in an internal combustion engine, engine control unit and system for adjusting an injection behavior
US10179886B2 (en) 2016-05-17 2019-01-15 Afton Chemical Corporation Synergistic dispersants

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB740178A (en) * 1952-11-07 1955-11-09 Renault Improvements in and relating to internal combustion engines
US4033122A (en) * 1973-11-08 1977-07-05 Nissan Motor Co., Ltd. Method of and system for controlling air fuel ratios of mixtures into an internal combustion engine
DE2941977A1 (en) * 1979-10-17 1981-04-30 Robert Bosch Gmbh, 7000 Stuttgart DEVICE FOR OPTIMIZING THE OPERATING CHARACTERISTICS OF AN INTERNAL COMBUSTION ENGINE
GB2064171A (en) * 1979-11-23 1981-06-10 British Leyland Cars Ltd Control of Airfuel Ratio in an Automotive Emission Control System
US4366793A (en) * 1980-10-24 1983-01-04 Coles Donald K Internal combustion engine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6024299B2 (en) * 1978-07-21 1985-06-12 株式会社日立製作所 Optimal fuel supply control device
CA1119493A (en) * 1978-07-21 1982-03-09 Mamoru Fujieda Fuel injection system for internal combustion engine
DE2847021A1 (en) * 1978-10-28 1980-05-14 Bosch Gmbh Robert DEVICE FOR CONTROLLING OPERATING CHARACTERISTICS OF AN INTERNAL COMBUSTION ENGINE TO OPTIMUM VALUES
JPS57122144A (en) * 1981-01-20 1982-07-29 Nissan Motor Co Ltd Air fuel ratio feedback control unit
US4495920A (en) * 1982-04-09 1985-01-29 Nippondenso Co., Ltd. Engine control system and method for minimizing cylinder-to-cylinder speed variations
US4532592A (en) * 1982-12-22 1985-07-30 Purdue Research Foundation Engine-performance monitor and control system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB740178A (en) * 1952-11-07 1955-11-09 Renault Improvements in and relating to internal combustion engines
US4033122A (en) * 1973-11-08 1977-07-05 Nissan Motor Co., Ltd. Method of and system for controlling air fuel ratios of mixtures into an internal combustion engine
DE2941977A1 (en) * 1979-10-17 1981-04-30 Robert Bosch Gmbh, 7000 Stuttgart DEVICE FOR OPTIMIZING THE OPERATING CHARACTERISTICS OF AN INTERNAL COMBUSTION ENGINE
GB2064171A (en) * 1979-11-23 1981-06-10 British Leyland Cars Ltd Control of Airfuel Ratio in an Automotive Emission Control System
US4366793A (en) * 1980-10-24 1983-01-04 Coles Donald K Internal combustion engine

Also Published As

Publication number Publication date
EP0170891A2 (en) 1986-02-12
EP0170891B1 (en) 1989-01-11
AU4527685A (en) 1986-02-13
DE3429525A1 (en) 1986-02-20
JPH0663478B2 (en) 1994-08-22
AU573870B2 (en) 1988-06-23
US4718015A (en) 1988-01-05
JPS6149152A (en) 1986-03-11
BR8503773A (en) 1986-05-20
DE3567502D1 (en) 1989-02-16

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