IT1102741B - Dispositivo e procedimento per il controllo del rapporto aria combustibile per motori a combustione interna - Google Patents

Dispositivo e procedimento per il controllo del rapporto aria combustibile per motori a combustione interna

Info

Publication number
IT1102741B
IT1102741B IT48802/78A IT4880278A IT1102741B IT 1102741 B IT1102741 B IT 1102741B IT 48802/78 A IT48802/78 A IT 48802/78A IT 4880278 A IT4880278 A IT 4880278A IT 1102741 B IT1102741 B IT 1102741B
Authority
IT
Italy
Prior art keywords
procedure
control
internal combustion
fuel ratio
combustion engines
Prior art date
Application number
IT48802/78A
Other languages
English (en)
Other versions
IT7848802A0 (it
Original Assignee
Gen 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
Application filed by Gen Motors Corp filed Critical Gen Motors Corp
Publication of IT7848802A0 publication Critical patent/IT7848802A0/it
Application granted granted Critical
Publication of IT1102741B publication Critical patent/IT1102741B/it

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
    • G01N27/4073—Composition or fabrication of the solid electrolyte
    • 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
    • F02D41/1455—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 resistivity varying with oxygen concentration

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Pathology (AREA)
  • Molecular Biology (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Measuring Oxygen Concentration In Cells (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
IT48802/78A 1977-04-15 1978-04-07 Dispositivo e procedimento per il controllo del rapporto aria combustibile per motori a combustione interna IT1102741B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/787,900 US4129099A (en) 1977-04-15 1977-04-15 Galvanic exhaust gas sensor with solid electrolyte

Publications (2)

Publication Number Publication Date
IT7848802A0 IT7848802A0 (it) 1978-04-07
IT1102741B true IT1102741B (it) 1985-10-07

Family

ID=25142865

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48802/78A IT1102741B (it) 1977-04-15 1978-04-07 Dispositivo e procedimento per il controllo del rapporto aria combustibile per motori a combustione interna

Country Status (7)

Country Link
US (1) US4129099A (it)
JP (1) JPS53129091A (it)
AU (1) AU515124B2 (it)
CA (1) CA1100602A (it)
DE (1) DE2815141A1 (it)
GB (1) GB1593622A (it)
IT (1) IT1102741B (it)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2732743A1 (de) * 1977-07-20 1979-02-08 Bosch Gmbh Robert Elektrochemischer messfuehler
US4384934A (en) * 1978-05-31 1983-05-24 The Flinders University Of South Australia Means for determining the partial pressure of oxygen in an atmosphere
JPS5562349A (en) * 1978-11-02 1980-05-10 Nissan Motor Co Ltd Measuring method for air fuel ratio
US4169778A (en) * 1978-11-16 1979-10-02 General Motors Corporation Heated solid electrolyte oxygen sensor
JPS5654346A (en) * 1979-10-09 1981-05-14 Nissan Motor Co Ltd Controller for air fuel ratio
US4263883A (en) * 1979-11-21 1981-04-28 Ingersoll-Rand Company Engine combustion control system
DE3069991D1 (en) * 1979-12-20 1985-02-28 Honeywell Inc Method and apparatus for determining the volumetric heat content of gaseous fuels
US4332225A (en) * 1980-10-02 1982-06-01 General Motors Corporation Internal combustion engine with oxygen sensor heater control
JPS58124943A (ja) * 1982-01-21 1983-07-25 Toyota Central Res & Dev Lab Inc マイクロヒ−タ付き限界電流式酸素センサとそれを用いた限界電流式酸素濃度検出装置
JPS58185957A (ja) * 1982-04-23 1983-10-29 Nippon Soken Inc エンジン制御方法
JPS60178941A (ja) * 1984-02-27 1985-09-12 Nissan Motor Co Ltd 内燃機関の空燃比制御装置
US4526672A (en) * 1984-03-23 1985-07-02 Axia Incorporated Oxygen sensor
JPS60239664A (ja) * 1984-05-14 1985-11-28 Nissan Motor Co Ltd 酸素センサの加熱装置
US5037761A (en) * 1987-09-03 1991-08-06 Elsag International B.V. Method of applying an automotive type oxygen sensor for use in an industrial process analyzer
US5259358A (en) * 1992-07-14 1993-11-09 Gas Research Institute Air-fuel ratio control system for catalytic engine exhaust emission control

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3773641A (en) * 1968-12-23 1973-11-20 G Fitterer Means for determining the oxygen content of liquid metals
US3616274A (en) * 1969-11-24 1971-10-26 Gen Motors Corp Method and apparatus for monitoring exhaust gas
DE2115619A1 (de) * 1971-03-31 1972-10-12 Bosch Gmbh Robert Meßfühler zur Bestimmung des Sauerstoffgehaltes in Kfz.-Abgasen
FR2224043A5 (it) * 1973-03-28 1974-10-25 Bosch Gmbh Robert
JPS5033892A (it) * 1973-07-24 1975-04-01
US3844920A (en) * 1973-11-21 1974-10-29 Gen Motors Corp Air fuel ratio sensor
US3847778A (en) * 1973-11-26 1974-11-12 Gen Motors Corp Air-fuel ratio sensor
GB1536718A (en) * 1975-03-31 1978-12-20 Nissan Motor Method of controlling air-fuel mixture in an internal combustion engine and a system therefor
US4034730A (en) * 1975-09-15 1977-07-12 General Motors Corporation Closed loop carburetor air-fuel ratio control apparatus
CA1076846A (en) * 1975-12-24 1980-05-06 Edward L. Thellmann Thermally stable sintered porous metal articles

Also Published As

Publication number Publication date
JPS6149623B2 (it) 1986-10-30
AU515124B2 (en) 1981-03-19
GB1593622A (en) 1981-07-22
AU3459378A (en) 1979-10-04
US4129099A (en) 1978-12-12
JPS53129091A (en) 1978-11-10
IT7848802A0 (it) 1978-04-07
DE2815141A1 (de) 1978-10-26
CA1100602A (en) 1981-05-05

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950331