CA987928A - Air-fuel ratio sensing system - Google Patents

Air-fuel ratio sensing system

Info

Publication number
CA987928A
CA987928A CA154,516A CA154516A CA987928A CA 987928 A CA987928 A CA 987928A CA 154516 A CA154516 A CA 154516A CA 987928 A CA987928 A CA 987928A
Authority
CA
Canada
Prior art keywords
air
fuel ratio
sensing system
ratio sensing
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
Application number
CA154,516A
Other versions
CA154516S (en
Inventor
Henry L. Stadler
Michael J. Esper
Donald J. Romine
Tseng-Ying Tien
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 Motor Company of Canada Ltd
Original Assignee
Ford Motor Company of Canada 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 Ford Motor Company of Canada Ltd filed Critical Ford Motor Company of Canada Ltd
Priority to CA219,706A priority Critical patent/CA993683A/en
Application granted granted Critical
Publication of CA987928A publication Critical patent/CA987928A/en
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
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2700/00—Mechanical control of speed or power of a single cylinder piston engine
    • F02D2700/09—Other ways of controlling

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (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)
CA154,516A 1971-11-15 1972-10-17 Air-fuel ratio sensing system Expired CA987928A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA219,706A CA993683A (en) 1971-11-15 1975-02-10 Process for measuring air-fuel ratio of a gas mixture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US19851571A 1971-11-15 1971-11-15

Publications (1)

Publication Number Publication Date
CA987928A true CA987928A (en) 1976-04-27

Family

ID=22733690

Family Applications (1)

Application Number Title Priority Date Filing Date
CA154,516A Expired CA987928A (en) 1971-11-15 1972-10-17 Air-fuel ratio sensing system

Country Status (6)

Country Link
CA (1) CA987928A (en)
DE (1) DE2254465C2 (en)
FR (1) FR2161589A5 (en)
GB (1) GB1376769A (en)
IT (1) IT966767B (en)
SE (1) SE402649B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2434933C2 (en) * 1971-11-15 1984-12-20 Ford-Werke AG, 5000 Köln Sensor of a measuring device for the partial pressure of oxygen in the exhaust gases of an internal combustion engine of a motor vehicle
US3933028A (en) * 1974-04-23 1976-01-20 Ford Motor Company Air/fuel ratio sensor for air/fuel ratios in excess of stoichiometry
US3946198A (en) * 1974-07-01 1976-03-23 Ford Motor Company Electrical control system for an exhaust gas sensor
IT1016660B (en) * 1974-07-23 1977-06-20 Fiat Spa DEVICE FOR DETERMINING THE AIR COMBUSTIBLE RATIO FOR CYCLE EIGHT
GB1518943A (en) * 1974-09-10 1978-07-26 Lucas Electrical Ltd Device for monitoring the composition of the exhaust emission of a combustion process
US4066413A (en) * 1975-03-03 1978-01-03 Nippon Soken, Inc. Gas component detection apparatus
GB1586117A (en) 1977-06-22 1981-03-18 Rosemount Eng Co Ltd Solid state sensor element
US4125374A (en) * 1977-11-21 1978-11-14 Bendix Autolite Corporation Method and apparatus for determining combustion mixture air/fuel ratio
JPS54109523A (en) * 1978-02-17 1979-08-28 Nippon Denso Co Ltd Air fuel ratio controller
US4237722A (en) * 1979-01-22 1980-12-09 Ford Motor Company Exhaust gas sensor electrode improvement
US4314996A (en) * 1979-04-04 1982-02-09 Matsushita Electric Industrial Company, Limited Oxygen sensor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3051895A (en) * 1955-04-21 1962-08-28 Robert L Carson Gas detection
US3558280A (en) * 1968-11-05 1971-01-26 Westinghouse Electric Corp Solid state oxygen gauge
NL156787B (en) * 1969-03-22 1978-05-16 Philips Nv DEVICE FOR THE AUTOMATIC REGULATION OF THE AIR-FUEL RATIO OF THE MIXTURE FEEDED TO AN COMBUSTION ENGINE.

Also Published As

Publication number Publication date
FR2161589A5 (en) 1973-07-06
IT966767B (en) 1974-02-20
DE2254465A1 (en) 1973-05-24
GB1376769A (en) 1974-12-11
SE402649B (en) 1978-07-10
DE2254465C2 (en) 1982-12-02

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