GB1376769A - Air-fuel ration sensing system - Google Patents

Air-fuel ration sensing system

Info

Publication number
GB1376769A
GB1376769A GB4732972A GB4732972A GB1376769A GB 1376769 A GB1376769 A GB 1376769A GB 4732972 A GB4732972 A GB 4732972A GB 4732972 A GB4732972 A GB 4732972A GB 1376769 A GB1376769 A GB 1376769A
Authority
GB
United Kingdom
Prior art keywords
oxide
air
sensing member
electrodes
thermocouple
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
GB4732972A
Other languages
English (en)
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 Co Ltd
Ford Motor Co
Original Assignee
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
Application filed by Ford Motor Co Ltd, Ford Motor Co filed Critical Ford Motor Co Ltd
Publication of GB1376769A publication Critical patent/GB1376769A/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)
GB4732972A 1971-11-15 1972-10-13 Air-fuel ration sensing system Expired GB1376769A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1376769A true GB1376769A (en) 1974-12-11

Family

ID=22733690

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4732972A Expired GB1376769A (en) 1971-11-15 1972-10-13 Air-fuel ration sensing system

Country Status (6)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2608487A1 (de) * 1975-03-03 1976-09-23 Nippon Soken Gasdetektor
US4307373A (en) 1977-06-22 1981-12-22 Rosemont Engineering Company Limited Solid state sensor element

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2434933C2 (de) * 1971-11-15 1984-12-20 Ford-Werke AG, 5000 Köln Sensor einer Meßeinrichtung für den Sauerstoffteildruck der Auspuffgase einer Brennkraftmaschine eines Kraftfahrzeuges
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 (it) * 1974-07-23 1977-06-20 Fiat Spa Dispositivo per la determinazione del rapporto aria combustibile per ciclo otto
GB1518943A (en) * 1974-09-10 1978-07-26 Lucas Electrical Ltd Device for monitoring the composition of the exhaust emission of a combustion process
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 (nl) * 1969-03-22 1978-05-16 Philips Nv Inrichting voor de automatische regeling van de lucht-brandstofverhouding van het aan een verbrandingsmotor toegevoerde mengsel.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2608487A1 (de) * 1975-03-03 1976-09-23 Nippon Soken Gasdetektor
US4307373A (en) 1977-06-22 1981-12-22 Rosemont Engineering Company Limited Solid state sensor element

Also Published As

Publication number Publication date
DE2254465C2 (de) 1982-12-02
DE2254465A1 (de) 1973-05-24
SE402649B (sv) 1978-07-10
IT966767B (it) 1974-02-20
CA987928A (en) 1976-04-27
FR2161589A5 (de) 1973-07-06

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Legal Events

Date Code Title Description
PS Patent sealed
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee