DE3445754A1 - Verfahren zur messung des luft/kraftstoffverhaeltnisses in einem abgas und luft/kraftstoffverhaeltnis-detektor dafuer - Google Patents

Verfahren zur messung des luft/kraftstoffverhaeltnisses in einem abgas und luft/kraftstoffverhaeltnis-detektor dafuer

Info

Publication number
DE3445754A1
DE3445754A1 DE19843445754 DE3445754A DE3445754A1 DE 3445754 A1 DE3445754 A1 DE 3445754A1 DE 19843445754 DE19843445754 DE 19843445754 DE 3445754 A DE3445754 A DE 3445754A DE 3445754 A1 DE3445754 A1 DE 3445754A1
Authority
DE
Germany
Prior art keywords
air
fuel ratio
oxygen
narrow gap
sensor element
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
DE19843445754
Other languages
German (de)
English (en)
Other versions
DE3445754C2 (US20030204162A1-20031030-M00001.png
Inventor
Shintaro Hirate
Tetsusyo Yamada
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 Electric Corp
Niterra Co Ltd
Original Assignee
Mitsubishi Electric Corp
NGK Spark Plug Co Ltd
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 Mitsubishi Electric Corp, NGK Spark Plug Co Ltd filed Critical Mitsubishi Electric Corp
Publication of DE3445754A1 publication Critical patent/DE3445754A1/de
Application granted granted Critical
Publication of DE3445754C2 publication Critical patent/DE3445754C2/de
Granted 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

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)
  • Measuring Oxygen Concentration In Cells (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
DE19843445754 1983-12-15 1984-12-14 Verfahren zur messung des luft/kraftstoffverhaeltnisses in einem abgas und luft/kraftstoffverhaeltnis-detektor dafuer Granted DE3445754A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58237621A JPS60128350A (ja) 1983-12-15 1983-12-15 空燃比検知方法および装置

Publications (2)

Publication Number Publication Date
DE3445754A1 true DE3445754A1 (de) 1985-08-01
DE3445754C2 DE3445754C2 (US20030204162A1-20031030-M00001.png) 1987-04-09

Family

ID=17018029

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19843445754 Granted DE3445754A1 (de) 1983-12-15 1984-12-14 Verfahren zur messung des luft/kraftstoffverhaeltnisses in einem abgas und luft/kraftstoffverhaeltnis-detektor dafuer

Country Status (3)

Country Link
US (1) US4615787A (US20030204162A1-20031030-M00001.png)
JP (1) JPS60128350A (US20030204162A1-20031030-M00001.png)
DE (1) DE3445754A1 (US20030204162A1-20031030-M00001.png)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3543599A1 (de) * 1984-12-10 1986-08-14 Mitsubishi Electric Corp Messvorrichtung fuer ein luft/brennstoff-verhaeltnis
DE3606045A1 (de) * 1985-02-25 1986-08-28 Ngk Spark Plug Co Luft/kraftstoff-verhaeltnissensor fuer brennkraftmaschinen
DE3715461A1 (de) * 1986-05-08 1987-11-12 Hitachi Ltd Vorrichtung zur erfassung des luft/brennstoff-verhaeltnisses
DE3723281A1 (de) * 1986-07-15 1988-02-04 Ngk Insulators Ltd Schaltung zum messen von diffusionsbegrenzungsstrom

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6141960A (ja) * 1984-08-03 1986-02-28 Ngk Spark Plug Co Ltd 空燃比検出装置
JPS61247957A (ja) * 1985-04-25 1986-11-05 Honda Motor Co Ltd 酸素濃度検出装置
JPS62123350A (ja) * 1985-11-22 1987-06-04 Mitsubishi Motors Corp 空燃比検出装置
JPH079417B2 (ja) * 1986-03-27 1995-02-01 本田技研工業株式会社 酸素濃度センサの異常検出方法
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
US4841934A (en) * 1987-02-20 1989-06-27 Ford Motor Company Oxygen pumping device for control of the air fuel ratio
US4915813A (en) * 1987-12-09 1990-04-10 Honda Giken Kogyo Kabushiki Kaisha Oxygen concentration detecting device
JPH07117527B2 (ja) * 1987-12-28 1995-12-18 本田技研工業株式会社 酸素濃度検出装置
JP3065127B2 (ja) * 1991-06-14 2000-07-12 本田技研工業株式会社 酸素濃度検出装置
EP0687357B1 (en) * 1993-03-01 1997-04-16 Ford Motor Company Current replication circuit and exhaust gas oxygen monitoring
DE4333231A1 (de) * 1993-09-30 1995-04-06 Bosch Gmbh Robert Verfahren zum Betrieb einer Sauerstoffsonde mit interner Referenzatmosphäre
JP3521170B2 (ja) * 1996-03-19 2004-04-19 日本特殊陶業株式会社 排気ガスセンサ及びそれを用いたセンサシステム
FR2757213B1 (fr) * 1996-12-13 1999-02-12 Renault Procede et dispositif permettant de determiner la richesse du melange carbure d'un moteur
CN103823051B (zh) * 2008-03-21 2015-11-18 艾博特健康公司 利用红细胞内含有的血红蛋白的本征色素沉着来确定血样的红细胞指数的方法及设备

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3514377A (en) * 1967-11-27 1970-05-26 Gen Electric Measurement of oxygen-containing gas compositions and apparatus therefor
DE3020132A1 (de) * 1979-05-25 1980-11-27 Nissan Motor Vorrichtung zur abtastung des luft-brennstoff-verhaeltnisses eines luft-brennstoff-gemisches
US4450065A (en) * 1982-03-09 1984-05-22 Ngk Spark Plug Co., Ltd. Oxygen sensor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6042367Y2 (ja) * 1979-09-28 1985-12-26 日産自動車株式会社 空燃比制御装置
JPS57131046A (en) * 1981-02-06 1982-08-13 Hitachi Ltd Air-fuel ratio controller for internal combustion engine
JPS5882040A (ja) * 1981-11-11 1983-05-17 Hitachi Ltd 空燃比制御装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3514377A (en) * 1967-11-27 1970-05-26 Gen Electric Measurement of oxygen-containing gas compositions and apparatus therefor
DE3020132A1 (de) * 1979-05-25 1980-11-27 Nissan Motor Vorrichtung zur abtastung des luft-brennstoff-verhaeltnisses eines luft-brennstoff-gemisches
US4450065A (en) * 1982-03-09 1984-05-22 Ngk Spark Plug Co., Ltd. Oxygen sensor

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3543599A1 (de) * 1984-12-10 1986-08-14 Mitsubishi Electric Corp Messvorrichtung fuer ein luft/brennstoff-verhaeltnis
US4770758A (en) * 1984-12-10 1988-09-13 Mitsubishi Denki Kabushiki Air/fuel ratio detector
DE3606045A1 (de) * 1985-02-25 1986-08-28 Ngk Spark Plug Co Luft/kraftstoff-verhaeltnissensor fuer brennkraftmaschinen
DE3715461A1 (de) * 1986-05-08 1987-11-12 Hitachi Ltd Vorrichtung zur erfassung des luft/brennstoff-verhaeltnisses
DE3723281A1 (de) * 1986-07-15 1988-02-04 Ngk Insulators Ltd Schaltung zum messen von diffusionsbegrenzungsstrom
US4908575A (en) * 1986-07-15 1990-03-13 Ngk Insulators, Ltd. Circuit for measuring diffusion-limited current

Also Published As

Publication number Publication date
JPS60128350A (ja) 1985-07-09
DE3445754C2 (US20030204162A1-20031030-M00001.png) 1987-04-09
US4615787A (en) 1986-10-07
JPH0260142B2 (US20030204162A1-20031030-M00001.png) 1990-12-14

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8128 New person/name/address of the agent

Representative=s name: HENKEL, G., DR.PHIL. FEILER, L., DR.RER.NAT. HAENZ

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee