FR2728940B1 - - Google Patents
Info
- Publication number
- FR2728940B1 FR2728940B1 FR9415898A FR9415898A FR2728940B1 FR 2728940 B1 FR2728940 B1 FR 2728940B1 FR 9415898 A FR9415898 A FR 9415898A FR 9415898 A FR9415898 A FR 9415898A FR 2728940 B1 FR2728940 B1 FR 2728940B1
- Authority
- FR
- France
- Prior art keywords
- engine
- probe
- corresp
- recalibration
- control method
- 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 - Fee Related
Links
Classifications
-
- 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
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
- F02D41/2425—Particular ways of programming the data
- F02D41/2429—Methods of calibrating or learning
- F02D41/2441—Methods of calibrating or learning characterised by the learning conditions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
- F02D35/0015—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for using exhaust gas sensors
- F02D35/0023—Controlling air supply
- F02D35/0038—Controlling air supply by means of air pumps
-
- 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
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
- F02D41/2425—Particular ways of programming the data
- F02D41/2429—Methods of calibrating or learning
- F02D41/2451—Methods of calibrating or learning characterised by what is learned or calibrated
- F02D41/2474—Characteristics of sensors
-
- 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
- F02D41/1456—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 output signal being linear or quasi-linear with the concentration of oxygen
-
- 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
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
- F02D41/2425—Particular ways of programming the data
- F02D41/2429—Methods of calibrating or learning
- F02D41/2432—Methods of calibration
-
- 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
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
- F02D41/2425—Particular ways of programming the data
- F02D41/2429—Methods of calibrating or learning
- F02D41/2451—Methods of calibrating or learning characterised by what is learned or calibrated
- F02D41/2454—Learning of the air-fuel ratio control
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Exhaust Gas After Treatment (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9415898A FR2728940A1 (fr) | 1994-12-29 | 1994-12-29 | Procede et dispositif de controle de la richesse d'un moteur a allumage commande |
DE69504468T DE69504468T2 (de) | 1994-12-29 | 1995-12-22 | Verfahren und Vorrichtung zum Steuern des Kraftstoff/Luft-Verhältnisses eines Verbrennungsmotors mit gesteuerter Zündung |
EP95402920A EP0719918B1 (fr) | 1994-12-29 | 1995-12-22 | Procédé et dispositif de contrÔle de la richesse d'un moteur à allumage commandé |
ES95402920T ES2121316T3 (es) | 1994-12-29 | 1995-12-22 | Procedimiento y dispositivo de control de la riqueza de un motor de encendido accionado. |
AT95402920T ATE170596T1 (de) | 1994-12-29 | 1995-12-22 | Verfahren und vorrichtung zum steuern des kraftstoff/luft-verhältnisses eines verbrennungsmotors mit gesteuerter zündung |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9415898A FR2728940A1 (fr) | 1994-12-29 | 1994-12-29 | Procede et dispositif de controle de la richesse d'un moteur a allumage commande |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2728940A1 FR2728940A1 (fr) | 1996-07-05 |
FR2728940B1 true FR2728940B1 (fr) | 1997-02-21 |
Family
ID=9470436
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9415898A Granted FR2728940A1 (fr) | 1994-12-29 | 1994-12-29 | Procede et dispositif de controle de la richesse d'un moteur a allumage commande |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0719918B1 (fr) |
AT (1) | ATE170596T1 (fr) |
DE (1) | DE69504468T2 (fr) |
ES (1) | ES2121316T3 (fr) |
FR (1) | FR2728940A1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1074833A1 (fr) * | 1997-03-21 | 2001-02-07 | Ngk Spark Plug Co., Ltd | Procédé et appareil de mesure de la concentration d'oxydes d'azote |
DE19810973A1 (de) * | 1998-03-13 | 1999-09-30 | Fev Motorentech Gmbh | Verfahren zur Nullpunktstabilisierung eines Abgassensors sowie Anordnung zur Durchführung des Verfahrens |
DE10008441A1 (de) * | 2000-02-23 | 2001-09-13 | Heraeus Electro Nite Int | Verfahren zur Bestimmung des Sauerstoffgehaltes eines Messgases |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3115404A1 (de) * | 1981-04-16 | 1982-11-11 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren und vorrichtung zur ueberwachung und kalibrierung von grenzstromsonden |
JPS5857050A (ja) * | 1981-09-29 | 1983-04-05 | Toyota Motor Corp | 内燃機関の空燃比制御装置 |
US4502444A (en) * | 1983-07-19 | 1985-03-05 | Engelhard Corporation | Air-fuel ratio controller |
US4751907A (en) * | 1985-09-27 | 1988-06-21 | Nissan Motor Co., Ltd. | Air/fuel ratio detecting apparatus for internal combustion engines |
JPS63239335A (ja) * | 1987-03-25 | 1988-10-05 | Toyota Motor Corp | 内燃機関の空燃比制御装置 |
ES2107812T3 (es) * | 1993-02-26 | 1997-12-01 | Heraeus Electro Nite Int | Combinacion de sondas lambda. |
-
1994
- 1994-12-29 FR FR9415898A patent/FR2728940A1/fr active Granted
-
1995
- 1995-12-22 AT AT95402920T patent/ATE170596T1/de active
- 1995-12-22 DE DE69504468T patent/DE69504468T2/de not_active Expired - Fee Related
- 1995-12-22 ES ES95402920T patent/ES2121316T3/es not_active Expired - Lifetime
- 1995-12-22 EP EP95402920A patent/EP0719918B1/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ES2121316T3 (es) | 1998-11-16 |
FR2728940A1 (fr) | 1996-07-05 |
EP0719918A1 (fr) | 1996-07-03 |
DE69504468T2 (de) | 1999-01-28 |
DE69504468D1 (de) | 1998-10-08 |
EP0719918B1 (fr) | 1998-09-02 |
ATE170596T1 (de) | 1998-09-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1113156A3 (fr) | Dispositif d'épuration de gaz d'échappement pour un moteur à combustion interne | |
EP1039104A3 (fr) | Système de purification des gaz d'échappement d'un moteur à combustion interne et catalyseur pour purifier le gaz d'échappement d'un moteur à combustion interne | |
EP0814248A3 (fr) | Méthode de commande d'un système de gaz d'échappement pour moteur à combustion et de détection de détérioration des moyens catalysants/absorbants | |
EP0629771A3 (fr) | Dispositif de purification des gaz d'échappement d'un moteur | |
EP0903478A3 (fr) | Dispositif de purification de gaz d'échappement pour moteur à combustion interne | |
EP0898067A3 (fr) | Système de purification de gaz d'échappement pour un moteur à combustion interne | |
EP0706817A3 (fr) | Procédé pour la réduction simultanée d'hydrocarbures, d'oxyde de carbone et d'oxides d'azote dans le gaz d'échappement d'un moteur à combustion interne | |
SE8105397L (sv) | Dieselavgaskatalysator | |
EP0814249A3 (fr) | Méthode de commande d'un système de gaz d'échappement pour moteur à combustion | |
MY111457A (en) | Improvements relating to the catalytic treatment of engine exhaust gas. | |
EP0799985A3 (fr) | Système de commande du rapport air-carburant pour moteurs à combustion interne | |
TW348199B (en) | Method and device for purifying exhaust gas of engine | |
SE8603227D0 (sv) | Forfarande for bestemning av aldringstillstandet hos en avgaskatalysator vid en med lambda-sondreglering av brensle/luftforhallandet utrustad forbrenningsmotor | |
EP0884458A3 (fr) | Moteur à combustion interne comprenant un catalyseur absorbant de NOx | |
ATE186764T1 (de) | Abgasstrang eines ottomotors | |
EP1052393A3 (fr) | Appareil et méthode de régulation du rapport air-carburant pour un moteur à combustion interne | |
EP0911499A3 (fr) | Dispositif de purification de gaz d'échappement pour un moteur | |
EP1064985A3 (fr) | Système de purification de gaz d'échappement | |
SE9800473D0 (sv) | Förfarande för avgasrening jämte gasbrännare | |
EP0926321A3 (fr) | Dispositif pour déterminer la détérioration d' un dispositif d'épuration des gaz d'échappement d'un moteur à combustion interne | |
WO1995018299A1 (fr) | Systeme et procede servant a limiter les composants nocifs des emissions de moteurs d'automobiles | |
EP0924399A3 (fr) | Moteur à combustion interne comprenant un catalyseur NOx pour combustion pauvre | |
KR910001229A (ko) | 내연기관의 공연비 제어장치 | |
EP0619422A3 (fr) | Système de régulation en boucle fermée du rapport air/carburant d'un moteur à combustion interne | |
EP0690216A3 (fr) | Système de commande du rapport air-carburant de moteur à combustion interne |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |