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DE69118739D1 - Detektionsvorrichtung für das Luft-Kraftstoff-Verhältnis - Google Patents

Detektionsvorrichtung für das Luft-Kraftstoff-Verhältnis

Info

Publication number
DE69118739D1
DE69118739D1 DE69118739T DE69118739T DE69118739D1 DE 69118739 D1 DE69118739 D1 DE 69118739D1 DE 69118739 T DE69118739 T DE 69118739T DE 69118739 T DE69118739 T DE 69118739T DE 69118739 D1 DE69118739 D1 DE 69118739D1
Authority
DE
Germany
Prior art keywords
air
detection device
fuel ratio
ratio detection
fuel
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 - Fee Related
Application number
DE69118739T
Other languages
English (en)
Other versions
DE69118739T2 (de
Inventor
Tetsuro Ishida
Nobuaki Murakami
Yoshiaki Danno
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.)
Mitsubishi Motors Corp
Original Assignee
Mitsubishi Motors 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
Priority claimed from JP2204327A external-priority patent/JP2513350B2/ja
Application filed by Mitsubishi Motors Corp filed Critical Mitsubishi Motors Corp
Publication of DE69118739D1 publication Critical patent/DE69118739D1/de
Application granted granted Critical
Publication of DE69118739T2 publication Critical patent/DE69118739T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416—Systems
    • G01N27/417—Systems using cells, i.e. more than one cell and probes with solid electrolytes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/403—Cells and electrode assemblies
    • G01N27/406—Cells and probes with solid electrolytes
    • G01N27/4065—Circuit arrangements specially adapted therefor
    • 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
    • F02D41/1456—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 sensor output signal being linear or quasi-linear with the concentration of oxygen
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/20—Oxygen containing
    • Y10T436/207497—Molecular oxygen
    • Y10T436/208339—Fuel/air mixture or exhaust gas analysis

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Molecular Biology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
DE69118739T 1990-02-28 1991-02-28 Detektionsvorrichtung für das Luft-Kraftstoff-Verhältnis Expired - Fee Related DE69118739T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4841890 1990-02-28
JP2204327A JP2513350B2 (ja) 1990-02-28 1990-07-31 空燃比検出装置

Publications (2)

Publication Number Publication Date
DE69118739D1 true DE69118739D1 (de) 1996-05-23
DE69118739T2 DE69118739T2 (de) 1996-08-29

Family

ID=26388683

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69118739T Expired - Fee Related DE69118739T2 (de) 1990-02-28 1991-02-28 Detektionsvorrichtung für das Luft-Kraftstoff-Verhältnis

Country Status (3)

Country Link
US (1) US5231864A (de)
EP (1) EP0444674B1 (de)
DE (1) DE69118739T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5323635A (en) * 1992-06-01 1994-06-28 Hitachi, Ltd. Air fuel ratio detecting arrangement and method therefor for an internal combustion engine
DE4226540A1 (de) * 1992-08-11 1994-04-21 Bosch Gmbh Robert Polarographischer Sensor
DE4304966A1 (de) * 1993-02-18 1994-08-25 Bosch Gmbh Robert Lambdawert-Ermittlungsvorrichtung
US5450749A (en) * 1993-08-25 1995-09-19 Wci Outdoor Products, Inc. Gas sampling method and dilution tunnel therefor
US5614658A (en) * 1994-06-30 1997-03-25 Dresser Industries Exhaust sensor
JP3501189B2 (ja) * 1995-06-07 2004-03-02 株式会社デンソー 空燃比センサ素子
JP3868041B2 (ja) * 1996-06-25 2007-01-17 日本特殊陶業株式会社 空燃比検出装置
US6209385B1 (en) * 1996-06-27 2001-04-03 Horiba Instruments, Inc. Method and system for determining air/fuel ratio of an engine's combustion process from its exhaust emissions
JP3692183B2 (ja) * 1996-06-28 2005-09-07 日本碍子株式会社 ガスセンサ及びガス濃度制御器
FR2759168B1 (fr) * 1997-01-31 1999-04-02 Sagem Dispositif de mesure de la teneur d'un milieu gazeux en oxygene
DE19836127A1 (de) * 1998-08-10 2000-02-24 Siemens Ag Verfahren und Vorrichtung zum Kalibrieren eines Sondensystems, bestehend aus einer Abgassonde und einer Regelschaltung für ein Kraftfahrzeug
DE102008004359A1 (de) 2008-01-15 2009-07-16 Robert Bosch Gmbh Verfahren zum Betreiben eines Sensorelements zur Bestimmung der Konzentration von Gaskomponenten
DE102019215819A1 (de) 2019-10-15 2021-04-15 Robert Bosch Gmbh Verfahren zum Betreiben einer Breitbandlambdasonde

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6063457A (ja) * 1983-09-17 1985-04-11 Mitsubishi Electric Corp 機関の空燃比センサ
US4578172A (en) * 1983-12-15 1986-03-25 Ngk Spark Plug Co. Air/fuel ratio detector
JPS61138155A (ja) * 1984-12-10 1986-06-25 Mitsubishi Electric Corp 空燃比検知装置
JP2678748B2 (ja) * 1985-05-27 1997-11-17 本田技研工業株式会社 エンジンの空燃比検出装置
GB2183042B (en) * 1985-09-27 1989-09-20 Ngk Spark Plug Co Air/fuel ratio sensor
JPS62123350A (ja) * 1985-11-22 1987-06-04 Mitsubishi Motors Corp 空燃比検出装置
JPH0635955B2 (ja) * 1986-07-30 1994-05-11 三菱自動車工業株式会社 空燃比検出装置
JP2518314B2 (ja) * 1986-11-29 1996-07-24 三菱自動車工業株式会社 エンジンの空燃比制御装置
GB2208007B (en) * 1987-08-14 1991-11-20 William Charles Maskell Gas analysis apparatus
JPH01216047A (ja) * 1988-02-24 1989-08-30 Hitachi Ltd エンジンの空燃比制御方法および装置

Also Published As

Publication number Publication date
EP0444674B1 (de) 1996-04-17
EP0444674A3 (en) 1992-06-03
US5231864A (en) 1993-08-03
DE69118739T2 (de) 1996-08-29
EP0444674A2 (de) 1991-09-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee