DE69915939D1 - Vorrichtung zur Steuerung des Luftkraftstoffgemisches in einer Brennkraftmaschine - Google Patents
Vorrichtung zur Steuerung des Luftkraftstoffgemisches in einer BrennkraftmaschineInfo
- Publication number
- DE69915939D1 DE69915939D1 DE69915939T DE69915939T DE69915939D1 DE 69915939 D1 DE69915939 D1 DE 69915939D1 DE 69915939 T DE69915939 T DE 69915939T DE 69915939 T DE69915939 T DE 69915939T DE 69915939 D1 DE69915939 D1 DE 69915939D1
- Authority
- DE
- Germany
- Prior art keywords
- controlling
- air
- combustion engine
- internal combustion
- fuel mixture
- 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 - Lifetime
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
- F02D41/1473—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation method
- F02D41/1475—Regulating the air fuel ratio at a value other than stoichiometry
-
- 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)
- F02D41/1479—Using a comparator with variable reference
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Exhaust Gas After Treatment (AREA)
- Control Of The Air-Fuel Ratio Of Carburetors (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITBO980437 | 1998-07-16 | ||
IT1998BO000437A IT1306318B1 (it) | 1998-07-16 | 1998-07-16 | Dispositivo di controllo del rapporto aria/combustibile dellamiscela alimentata ad un motore endotermico |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69915939D1 true DE69915939D1 (de) | 2004-05-06 |
DE69915939T2 DE69915939T2 (de) | 2005-03-10 |
Family
ID=11343309
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69915939T Expired - Lifetime DE69915939T2 (de) | 1998-07-16 | 1999-07-15 | Vorrichtung zur Steuerung des Luftkraftstoffgemisches in einer Brennkraftmaschine |
Country Status (6)
Country | Link |
---|---|
US (1) | US6167697B1 (de) |
EP (1) | EP0972928B1 (de) |
BR (1) | BR9904567B1 (de) |
DE (1) | DE69915939T2 (de) |
ES (1) | ES2217652T3 (de) |
IT (1) | IT1306318B1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1306286B1 (it) * | 1998-11-13 | 2001-06-04 | Magneti Marelli Spa | Dispositivo di controllo di una sonda lineare di ossigeno. |
DE10340815B3 (de) * | 2003-09-04 | 2004-09-23 | Siemens Ag | Verfahren zur Gemischregelung bei einer Brennkraftmaschine |
US7937209B2 (en) * | 2007-08-17 | 2011-05-03 | GM Global Technology Operations LLC | Air fuel ratio control system for internal combustion engines |
DE102009039775A1 (de) * | 2009-09-02 | 2011-03-03 | Audi Ag | Verfahren zum Betreiben eines Verbrennungsmotors |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2216705C3 (de) * | 1972-04-07 | 1978-06-08 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren und Vorrichtung zum Entgiften der Abgase einer Brennkraftmaschine |
US5335493A (en) * | 1990-01-24 | 1994-08-09 | Nissan Motor Co., Ltd. | Dual sensor type air fuel ratio control system for internal combustion engine |
JPH048858A (ja) * | 1990-04-26 | 1992-01-13 | Nippondenso Co Ltd | ガスエンジンの空燃比制御装置 |
US5325664A (en) * | 1991-10-18 | 1994-07-05 | Honda Giken Kogyo Kabushiki Kaisha | System for determining deterioration of catalysts of internal combustion engines |
US5622047A (en) * | 1992-07-03 | 1997-04-22 | Nippondenso Co., Ltd. | Method and apparatus for detecting saturation gas amount absorbed by catalytic converter |
US5363647A (en) * | 1992-10-13 | 1994-11-15 | Mitsubishi Denki Kabushiki Kaisha | Dual-sensor type air fuel ratio control system for internal combustion engine and catalytic converter diagnosis apparatus for the same |
US5392598A (en) * | 1993-10-07 | 1995-02-28 | General Motors Corporation | Internal combustion engine air/fuel ratio regulation |
US5656765A (en) * | 1995-06-28 | 1997-08-12 | General Motors Corporation | Air/fuel ratio control diagnostic |
JPH0941948A (ja) * | 1995-07-26 | 1997-02-10 | Toyota Motor Corp | 内燃機関の触媒劣化判別装置 |
FR2740176B1 (fr) * | 1995-10-18 | 1997-11-28 | Renault | Systeme et procede de double boucle de commande pour moteur a combustion interne |
-
1998
- 1998-07-16 IT IT1998BO000437A patent/IT1306318B1/it active
-
1999
- 1999-07-15 DE DE69915939T patent/DE69915939T2/de not_active Expired - Lifetime
- 1999-07-15 ES ES99113853T patent/ES2217652T3/es not_active Expired - Lifetime
- 1999-07-15 EP EP99113853A patent/EP0972928B1/de not_active Expired - Lifetime
- 1999-07-16 BR BRPI9904567-2A patent/BR9904567B1/pt not_active IP Right Cessation
- 1999-07-16 US US09/354,843 patent/US6167697B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ES2217652T3 (es) | 2004-11-01 |
ITBO980437A1 (it) | 2000-01-16 |
IT1306318B1 (it) | 2001-06-04 |
EP0972928B1 (de) | 2004-03-31 |
EP0972928A1 (de) | 2000-01-19 |
US6167697B1 (en) | 2001-01-02 |
BR9904567B1 (pt) | 2010-10-19 |
DE69915939T2 (de) | 2005-03-10 |
BR9904567A (pt) | 2000-09-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |