GB1376769A - Air-fuel ration sensing system - Google Patents
Air-fuel ration sensing systemInfo
- 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
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)
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)
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)
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)
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. |
-
1972
- 1972-10-13 GB GB4732972A patent/GB1376769A/en not_active Expired
- 1972-10-17 CA CA154,516A patent/CA987928A/en not_active Expired
- 1972-10-25 IT IT5360772A patent/IT966767B/it active
- 1972-11-07 DE DE19722254465 patent/DE2254465C2/de not_active Expired
- 1972-11-08 SE SE1446072A patent/SE402649B/xx unknown
- 1972-11-13 FR FR7240127A patent/FR2161589A5/fr not_active Expired
Cited By (2)
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 |
---|---|
FR2161589A5 (de) | 1973-07-06 |
IT966767B (it) | 1974-02-20 |
CA987928A (en) | 1976-04-27 |
DE2254465A1 (de) | 1973-05-24 |
SE402649B (sv) | 1978-07-10 |
DE2254465C2 (de) | 1982-12-02 |
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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 |