IT1273044B - Sistema elettronico di controllo titolo della miscela aria benzina alimentata ad un motore a combustione interna - Google Patents
Sistema elettronico di controllo titolo della miscela aria benzina alimentata ad un motore a combustione internaInfo
- Publication number
- IT1273044B IT1273044B ITTO940593A ITTO940593A IT1273044B IT 1273044 B IT1273044 B IT 1273044B IT TO940593 A ITTO940593 A IT TO940593A IT TO940593 A ITTO940593 A IT TO940593A IT 1273044 B IT1273044 B IT 1273044B
- Authority
- IT
- Italy
- Prior art keywords
- control system
- combustion engine
- internal combustion
- electronic control
- air mixture
- Prior art date
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
- F02D41/02—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
- F02D41/1439—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the position of the sensor
- F02D41/1441—Plural 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
- F02D41/1477—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation circuit or part of it,(e.g. comparator, PI regulator, output)
- F02D41/1482—Integrator, i.e. variable slope
-
- 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
- F02D41/1493—Details
- F02D41/1495—Detection of abnormalities in the air/fuel ratio feedback system
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Exhaust Gas After Treatment (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO940593A IT1273044B (it) | 1994-07-19 | 1994-07-19 | Sistema elettronico di controllo titolo della miscela aria benzina alimentata ad un motore a combustione interna |
EP95111275A EP0694685B1 (en) | 1994-07-19 | 1995-07-18 | Electronic gas concentration control system |
DE69506330T DE69506330T2 (de) | 1994-07-19 | 1995-07-18 | Elektronisches Gemischsteuerungssystem |
BR9502367A BR9502367A (pt) | 1994-07-19 | 1995-07-18 | Sistema eletrônico de controle de concentraçao |
ES95111275T ES2128618T3 (es) | 1994-07-19 | 1995-07-18 | Sistema de control electronico de concentracion de un gas. |
US08/504,402 US5697214A (en) | 1994-07-19 | 1995-07-19 | Electronic concentration control system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO940593A IT1273044B (it) | 1994-07-19 | 1994-07-19 | Sistema elettronico di controllo titolo della miscela aria benzina alimentata ad un motore a combustione interna |
Publications (3)
Publication Number | Publication Date |
---|---|
ITTO940593A0 ITTO940593A0 (it) | 1994-07-19 |
ITTO940593A1 ITTO940593A1 (it) | 1996-01-19 |
IT1273044B true IT1273044B (it) | 1997-07-01 |
Family
ID=11412684
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITTO940593A IT1273044B (it) | 1994-07-19 | 1994-07-19 | Sistema elettronico di controllo titolo della miscela aria benzina alimentata ad un motore a combustione interna |
Country Status (6)
Country | Link |
---|---|
US (1) | US5697214A (it) |
EP (1) | EP0694685B1 (it) |
BR (1) | BR9502367A (it) |
DE (1) | DE69506330T2 (it) |
ES (1) | ES2128618T3 (it) |
IT (1) | IT1273044B (it) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1073040A (ja) * | 1996-08-29 | 1998-03-17 | Honda Motor Co Ltd | 内燃機関の空燃比制御装置 |
US6003307A (en) * | 1998-02-06 | 1999-12-21 | Engelhard Corporation | OBD calorimetric sensor system with offset error correction |
JP2004019542A (ja) * | 2002-06-17 | 2004-01-22 | Toyota Motor Corp | 酸素センサの異常検出装置 |
US9230371B2 (en) * | 2013-09-19 | 2016-01-05 | GM Global Technology Operations LLC | Fuel control diagnostic systems and methods |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2709215A1 (de) * | 1977-03-03 | 1978-09-07 | Bosch Gmbh Robert | Ueberwachungsschaltung fuer die abgaszusammensetzung bei brennkraftmaschinen |
DE2916178C2 (de) * | 1979-04-21 | 1982-04-22 | Dornier System Gmbh, 7990 Friedrichshafen | Sonde zur Messung des Sauerstoffpartialdrucks in Gasen |
CA1268529A (en) * | 1985-07-31 | 1990-05-01 | Toyota Jidosha Kabushiki Kaisha | Double air-fuel ratio sensor system carrying out learning control operation |
DE3637304A1 (de) * | 1986-08-23 | 1988-05-05 | Vdo Schindling | Verfahren und schaltungsanordnung zur erkennung der betriebsbereitschaft einer sauerstoffmesssonde |
JPS6383415U (it) * | 1986-11-20 | 1988-06-01 | ||
JPH0331546A (ja) * | 1989-06-27 | 1991-02-12 | Mitsubishi Motors Corp | 内燃機関の空燃比制御装置 |
JPH0718368B2 (ja) * | 1990-04-02 | 1995-03-06 | トヨタ自動車株式会社 | 内燃機関の触媒劣化検出装置 |
US5357750A (en) * | 1990-04-12 | 1994-10-25 | Ngk Spark Plug Co., Ltd. | Method for detecting deterioration of catalyst and measuring conversion efficiency thereof with an air/fuel ratio sensor |
DE4039429A1 (de) * | 1990-12-11 | 1992-06-17 | Abb Patent Gmbh | Verfahren und vorrichtung zur ueberpruefung eines katalysators |
US5115639A (en) * | 1991-06-28 | 1992-05-26 | Ford Motor Company | Dual EGO sensor closed loop fuel control |
JP3122856B2 (ja) * | 1991-12-13 | 2001-01-09 | マツダ株式会社 | 空燃比検出装置の故障検出装置およびエンジンの制御装置 |
US5337555A (en) * | 1991-12-13 | 1994-08-16 | Mazda Motor Corporation | Failure detection system for air-fuel ratio control system |
US5337557A (en) * | 1992-02-29 | 1994-08-16 | Suzuki Motor Corporation | Air-fuel ratio control device for internal combustion engine |
JP3300012B2 (ja) * | 1992-03-16 | 2002-07-08 | マツダ株式会社 | エンジンの排気浄化装置 |
JPH05296088A (ja) * | 1992-04-16 | 1993-11-09 | Nippondenso Co Ltd | 内燃機関の異常検出装置 |
JP2978960B2 (ja) * | 1992-07-31 | 1999-11-15 | 本田技研工業株式会社 | 内燃エンジンの酸素センサ劣化検出装置 |
DE4331153C2 (de) * | 1992-09-26 | 2001-02-01 | Volkswagen Ag | Verfahren zur Gewinnung von fehlerspezifischen Beurteilungskriterien eines Abgaskatalysators und einer Regel-Lambdasonde |
US5282360A (en) * | 1992-10-30 | 1994-02-01 | Ford Motor Company | Post-catalyst feedback control |
JP3197654B2 (ja) * | 1993-01-21 | 2001-08-13 | 本田技研工業株式会社 | 内燃エンジンの空燃比センサ劣化検出装置 |
-
1994
- 1994-07-19 IT ITTO940593A patent/IT1273044B/it active IP Right Grant
-
1995
- 1995-07-18 EP EP95111275A patent/EP0694685B1/en not_active Expired - Lifetime
- 1995-07-18 BR BR9502367A patent/BR9502367A/pt not_active IP Right Cessation
- 1995-07-18 ES ES95111275T patent/ES2128618T3/es not_active Expired - Lifetime
- 1995-07-18 DE DE69506330T patent/DE69506330T2/de not_active Expired - Lifetime
- 1995-07-19 US US08/504,402 patent/US5697214A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5697214A (en) | 1997-12-16 |
DE69506330D1 (de) | 1999-01-14 |
BR9502367A (pt) | 1996-02-27 |
ITTO940593A0 (it) | 1994-07-19 |
ITTO940593A1 (it) | 1996-01-19 |
EP0694685A3 (en) | 1996-09-18 |
EP0694685A2 (en) | 1996-01-31 |
EP0694685B1 (en) | 1998-12-02 |
ES2128618T3 (es) | 1999-05-16 |
DE69506330T2 (de) | 1999-08-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ITRM980713A0 (it) | Sistema di controllo della pressione di alimentazione di un motore a combustione interna sovralimentato | |
ITRM980702A0 (it) | Meccanismo di controllo della valvola a farfalla e della valvola dell' aria per carburatore di motore a combustione interna | |
DE69333934D1 (de) | Luftansaugvorrichtung einer Brennkraftmaschine | |
BR9408405A (pt) | Instalação de tubo de aspiração para um motor de combustão interna de vários cilindros | |
ITTO950827A0 (it) | Dispositivo di depurazione dei gas di scarico di un motore a combu- stione interna | |
IT1240136B (it) | Sistema di accensione per un motore a combustione interna | |
IT8548363A0 (it) | Sistema di aspirazione per un motore a combustione interna a compressione di miscela | |
GB2286260B (en) | Air/fuel control of an internal combustion engine | |
IT1273045B (it) | Sistema elettronico di controllo titolo della miscela aria benzina alimentante un motore a combustione interna. | |
IT1295838B1 (it) | Procedimento per il funzionamento di un motore a combustione interna a ciclo otto con formazione interna della miscela | |
IT1279170B1 (it) | Motore a combustione interna raffreddato ad aria | |
IT1182605B (it) | Dispositivo per l alimentazione di una miscela di aria e carburante ad un cellettore di un motore a combustione interna | |
IT1223928B (it) | Sistema di accensione per un motore a combustione interna | |
IT1273044B (it) | Sistema elettronico di controllo titolo della miscela aria benzina alimentata ad un motore a combustione interna | |
EP0194878A3 (en) | Method of controlling intake air quantity for internal combustion engines at idle | |
ITTO920138V0 (it) | Collettore per un dispositivo di alimentazione di carburante ad un mo-tore a combustione interna | |
IT1296633B1 (it) | Sistema e procedimento di alimentazione per un motore a combustione interna atto ad operare selettivamente con benzina e con gas | |
DE59502562D1 (de) | Luftansauganlage einer mehrzylindrigen Brennkraftmaschine | |
DE59810162D1 (de) | Kraftstoff/luft-gemischregelungssystem einer brennkraftmaschine | |
IT1186369B (it) | Impianto di scappamento dei gas di combustione di un motore a combustione interna | |
IT1289924B1 (it) | Sistema di controllo di accensione per motore a combustione interna | |
ITMI911305A0 (it) | Dispositivo di depurazione dei gas di scarico di un motore a combustione interna | |
IT8867495A0 (it) | Dispositivo di alimentazione di una miscela di aria e carburante per un motore a combustione interna | |
ITTO930647A0 (it) | Sistema di sincronizzazione di un motore a combustione interna | |
IT1289202B1 (it) | Sistema e procedimento per controllare l'accensione di un motore a combustione interna |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970729 |