DE3270993D1 - Method of measuring an air to fuel ratio - Google Patents

Method of measuring an air to fuel ratio

Info

Publication number
DE3270993D1
DE3270993D1 DE8282304003T DE3270993T DE3270993D1 DE 3270993 D1 DE3270993 D1 DE 3270993D1 DE 8282304003 T DE8282304003 T DE 8282304003T DE 3270993 T DE3270993 T DE 3270993T DE 3270993 D1 DE3270993 D1 DE 3270993D1
Authority
DE
Germany
Prior art keywords
measuring
air
fuel ratio
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.)
Expired
Application number
DE8282304003T
Other languages
English (en)
Inventor
James William Butler
Alex David Colvin
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.)
Ford Werke GmbH
Ford France SA
Ford Motor Co Ltd
Ford Motor Co
Original Assignee
Ford Werke GmbH
Ford France SA
Ford Motor Co Ltd
Ford Motor Co
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23109049&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3270993(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ford Werke GmbH, Ford France SA, Ford Motor Co Ltd, Ford Motor Co filed Critical Ford Werke GmbH
Application granted granted Critical
Publication of DE3270993D1 publication Critical patent/DE3270993D1/de
Expired 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
    • G01N27/403—Cells and electrode assemblies
    • G01N27/406—Cells and probes with solid electrolytes
    • G01N27/407—Cells and probes with solid electrolytes for investigating or analysing gases
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0011—Sample conditioning
    • G01N33/0013—Sample conditioning by a chemical reaction

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Electrochemistry (AREA)
  • Molecular Biology (AREA)
  • Combustion & Propulsion (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Measuring Oxygen Concentration In Cells (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
DE8282304003T 1981-07-31 1982-07-29 Method of measuring an air to fuel ratio Expired DE3270993D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/288,874 US4389881A (en) 1981-07-31 1981-07-31 Method of measuring an air to fuel ratio

Publications (1)

Publication Number Publication Date
DE3270993D1 true DE3270993D1 (en) 1986-06-12

Family

ID=23109049

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282304003T Expired DE3270993D1 (en) 1981-07-31 1982-07-29 Method of measuring an air to fuel ratio

Country Status (5)

Country Link
US (1) US4389881A (de)
EP (1) EP0071474B1 (de)
JP (1) JPS5827045A (de)
CA (1) CA1180918A (de)
DE (1) DE3270993D1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4547281A (en) * 1983-11-21 1985-10-15 Gte Laboratories Incorporated Gas analysis apparatus
DE3412166A1 (de) * 1984-03-31 1985-10-10 Pierburg Gmbh & Co Kg, 4040 Neuss Verfahren und vorrichtung zum bestimmen des kraftstoffluftverhaeltnisses von ottomotoren
US4622844A (en) * 1985-04-22 1986-11-18 Allied Corporation Oxygen sensor monitor
JPS62199306A (ja) * 1986-02-25 1987-09-03 Mazda Motor Corp 加工用工具の保持装置
JPH0713600B2 (ja) * 1986-12-29 1995-02-15 日本特殊陶業株式会社 酸素センサ評価装置
DE3840322A1 (de) * 1988-11-30 1990-05-31 Hartmann & Braun Ag Vorrichtung zur ueberwachung des gasstromes in einem gasanalysator und zur korrektur von druck- und durchflussbedingten stoereinfluessen auf dessen messsignal
JPH0670619B2 (ja) * 1989-07-01 1994-09-07 日本碍子株式会社 空燃比センサ評価法および装置
DE3935149A1 (de) * 1989-10-21 1991-05-02 Bosch Gmbh Robert Verfahren und messanordnung zur bestimmung des russgehaltes in abgasen
DE9116547U1 (de) * 1991-08-28 1993-02-18 DaimlerChrysler AG, 70567 Stuttgart Standardschaft für rotierende Bearbeitungswerkzeuge zur unmittelbaren Aufnahme in eine Arbeitsspindel einer Werkzeugmaschine
US5138163A (en) * 1991-09-09 1992-08-11 Ford Motor Company Direct sampling of engine emissions for instantaneous analysis
US5697346A (en) * 1993-05-28 1997-12-16 Servojet Products International Method for using sonic gas-fueled internal combustion engine control system
US5454259A (en) * 1993-08-02 1995-10-03 Toyota Jidosha Kabushiki Kaisha Failure detecting apparatus in temperature controller of air-fuel ratio sensor
JPH07259612A (ja) * 1994-03-18 1995-10-09 Honda Motor Co Ltd 内燃エンジンの排気ガス濃度センサ異常検出装置
US5712422A (en) * 1995-09-20 1998-01-27 Sanshin Kogyo Kabushiki Kaisha Engine sensor
DE19540673C2 (de) * 1995-10-31 1997-08-28 Siemens Ag Verfahren zur Überprüfung der Funktionsfähigkeit eines Katalysators mit einem Sauerstoffsensor

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3852169A (en) * 1972-11-01 1974-12-03 Du Pont Measurement of carbon monoxide in gas mixtures
US4263652A (en) * 1978-02-27 1981-04-21 The Bendix Corporation Oxygen sensor signal conditioner
US4348732A (en) * 1980-01-29 1982-09-07 Sun Electric Corporation Method and apparatus for engine exhaust analyzer
FR2494445A1 (fr) * 1980-11-17 1982-05-21 Socapex Capteur electrochimique des concentrations d'especes dans un melange fluide et systeme de regulation de la richesse d'un melange air-carburant mettant en oeuvre un tel capteur
US4372155A (en) * 1981-05-20 1983-02-08 Ford Motor Company Methods of monitoring a combustion system
CA1164946A (en) * 1981-06-15 1984-04-03 Alex D. Colvin Method of precisely controlling the temperature of an oxygen sensor

Also Published As

Publication number Publication date
EP0071474A2 (de) 1983-02-09
EP0071474B1 (de) 1986-05-07
EP0071474A3 (en) 1983-08-17
JPH0352576B2 (de) 1991-08-12
JPS5827045A (ja) 1983-02-17
CA1180918A (en) 1985-01-15
US4389881A (en) 1983-06-28

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8363 Opposition against the patent
8365 Fully valid after opposition proceedings