FR2378181A1 - Procede et dispositif pour decaler la valeur de seuil d'une sonde d'oxygene placee dans la tubulure d'echappement d'un moteur a combustion interne - Google Patents
Procede et dispositif pour decaler la valeur de seuil d'une sonde d'oxygene placee dans la tubulure d'echappement d'un moteur a combustion interneInfo
- Publication number
- FR2378181A1 FR2378181A1 FR7802063A FR7802063A FR2378181A1 FR 2378181 A1 FR2378181 A1 FR 2378181A1 FR 7802063 A FR7802063 A FR 7802063A FR 7802063 A FR7802063 A FR 7802063A FR 2378181 A1 FR2378181 A1 FR 2378181A1
- Authority
- FR
- France
- Prior art keywords
- internal combustion
- threshold value
- combustion engine
- shifting
- oxygen sensor
- 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.)
- Granted
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
- F02D41/1473—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation method
- F02D41/1474—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation method by detecting the commutation time of the sensor
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)
- Combined Controls Of Internal Combustion Engines (AREA)
- Measuring Oxygen Concentration In Cells (AREA)
Abstract
a. Procédé et dispositif pour décaler la valeur de seuil d'une sonde d'oxygène placée dans la tubulure d'échappement d'un moteur à combustion interne. b. Procédé caractérisé en ce que le décalage de la valeur de seuil est assuré en fonction du débit du moteur à combustion interne, en exploitant la fréquence de commutation de la tension de sortie de la sonde lambda , ou d'une tension dérivée de celle-ci (tension de sortie du comparateur). c. L'invention s'applique aux dispositifs d'alimentation de moteurs à combustion interne.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2702863A DE2702863C2 (de) | 1977-01-25 | 1977-01-25 | Verfahren und Vorrichtung zur Regelung der Gemischverhältnisanteile des einer Brennkraftmaschine zugeführten Betriebsgemischs |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2378181A1 true FR2378181A1 (fr) | 1978-08-18 |
FR2378181B1 FR2378181B1 (fr) | 1985-08-23 |
Family
ID=5999437
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7802063A Expired FR2378181B1 (fr) | 1977-01-25 | 1978-01-25 | Procede et dispositif pour decaler la valeur de seuil d'une sonde d'oxygene placee dans la tubulure d'echappement d'un moteur a combustion interne |
Country Status (5)
Country | Link |
---|---|
US (1) | US4178883A (fr) |
JP (1) | JPS5393223A (fr) |
DE (1) | DE2702863C2 (fr) |
FR (1) | FR2378181B1 (fr) |
GB (2) | GB1597752A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2456850A1 (fr) * | 1979-05-12 | 1980-12-12 | Bosch Gmbh Robert | Installation de dosage de carburant pour un moteur a combustion interne avec un generateur de signal de dosage |
Families Citing this family (66)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55112838A (en) * | 1979-02-21 | 1980-09-01 | Hitachi Ltd | Air-fuel ratio controller |
JPS5612031A (en) * | 1979-07-12 | 1981-02-05 | Nippon Denso Co Ltd | Air fuel ratio controller |
DE2946440A1 (de) * | 1979-11-17 | 1981-05-27 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren zur gewinnung einer steuergroesse fuer die regelung des kraftstoff-luftverhaeltnisses von brennkraftmaschinen |
DE3145235C1 (de) * | 1981-11-13 | 1983-07-21 | Bayerische Motoren Werke AG, 8000 München | Regeleinrichtung fuer die Luftzahl von Brennkraftmaschinen |
JPS58146842U (ja) * | 1982-03-29 | 1983-10-03 | 愛三工業株式会社 | 内燃機関の空燃比制御回路 |
DE3231122C2 (de) * | 1982-08-21 | 1994-05-11 | Bosch Gmbh Robert | Regeleinrichtung für die Gemischzusammensetzung einer Brennkraftmaschine |
JPS6038526A (ja) * | 1983-08-11 | 1985-02-28 | Fuji Heavy Ind Ltd | 空燃比制御装置 |
JPS60192845A (ja) * | 1984-03-13 | 1985-10-01 | Fuji Heavy Ind Ltd | 空燃比制御装置 |
JPS60233326A (ja) * | 1984-05-07 | 1985-11-20 | Toyota Motor Corp | スワ−ル制御弁付内燃機関の制御装置 |
JPS61187570A (ja) * | 1985-02-16 | 1986-08-21 | Honda Motor Co Ltd | 内燃エンジンの吸気2次空気供給装置 |
JP2601455B2 (ja) * | 1986-04-24 | 1997-04-16 | 本田技研工業株式会社 | 内燃エンジンの空燃比制御方法 |
US5222471A (en) * | 1992-09-18 | 1993-06-29 | Kohler Co. | Emission control system for an internal combustion engine |
DE4024212C2 (de) * | 1990-07-31 | 1999-09-02 | Bosch Gmbh Robert | Verfahren zur stetigen Lambdaregelung einer Brennkraftmaschine mit Katalysator |
US5983627A (en) * | 1997-09-02 | 1999-11-16 | Ford Global Technologies, Inc. | Closed loop control for desulfating a NOx trap |
US6594989B1 (en) | 2000-03-17 | 2003-07-22 | Ford Global Technologies, Llc | Method and apparatus for enhancing fuel economy of a lean burn internal combustion engine |
US6427437B1 (en) | 2000-03-17 | 2002-08-06 | Ford Global Technologies, Inc. | Method for improved performance of an engine emission control system |
US6810659B1 (en) * | 2000-03-17 | 2004-11-02 | Ford Global Technologies, Llc | Method for determining emission control system operability |
US6487850B1 (en) | 2000-03-17 | 2002-12-03 | Ford Global Technologies, Inc. | Method for improved engine control |
US6308697B1 (en) | 2000-03-17 | 2001-10-30 | Ford Global Technologies, Inc. | Method for improved air-fuel ratio control in engines |
US6434930B1 (en) | 2000-03-17 | 2002-08-20 | Ford Global Technologies, Inc. | Method and apparatus for controlling lean operation of an internal combustion engine |
US6308515B1 (en) | 2000-03-17 | 2001-10-30 | Ford Global Technologies, Inc. | Method and apparatus for accessing ability of lean NOx trap to store exhaust gas constituent |
US6629453B1 (en) | 2000-03-17 | 2003-10-07 | Ford Global Technologies, Llc | Method and apparatus for measuring the performance of an emissions control device |
US6374597B1 (en) | 2000-03-17 | 2002-04-23 | Ford Global Technologies, Inc. | Method and apparatus for accessing ability of lean NOx trap to store exhaust gas constituent |
US6438944B1 (en) | 2000-03-17 | 2002-08-27 | Ford Global Technologies, Inc. | Method and apparatus for optimizing purge fuel for purging emissions control device |
US6481199B1 (en) | 2000-03-17 | 2002-11-19 | Ford Global Technologies, Inc. | Control for improved vehicle performance |
US6708483B1 (en) | 2000-03-17 | 2004-03-23 | Ford Global Technologies, Llc | Method and apparatus for controlling lean-burn engine based upon predicted performance impact |
US6539704B1 (en) | 2000-03-17 | 2003-04-01 | Ford Global Technologies, Inc. | Method for improved vehicle performance |
US6843051B1 (en) | 2000-03-17 | 2005-01-18 | Ford Global Technologies, Llc | Method and apparatus for controlling lean-burn engine to purge trap of stored NOx |
US6499293B1 (en) | 2000-03-17 | 2002-12-31 | Ford Global Technologies, Inc. | Method and system for reducing NOx tailpipe emissions of a lean-burn internal combustion engine |
US6860100B1 (en) | 2000-03-17 | 2005-03-01 | Ford Global Technologies, Llc | Degradation detection method for an engine having a NOx sensor |
US6477832B1 (en) | 2000-03-17 | 2002-11-12 | Ford Global Technologies, Inc. | Method for improved performance of a vehicle having an internal combustion engine |
US6360530B1 (en) | 2000-03-17 | 2002-03-26 | Ford Global Technologies, Inc. | Method and apparatus for measuring lean-burn engine emissions |
US6327847B1 (en) | 2000-03-17 | 2001-12-11 | Ford Global Technologies, Inc. | Method for improved performance of a vehicle |
US6487849B1 (en) | 2000-03-17 | 2002-12-03 | Ford Global Technologies, Inc. | Method and apparatus for controlling lean-burn engine based upon predicted performance impact and trap efficiency |
US6691507B1 (en) | 2000-10-16 | 2004-02-17 | Ford Global Technologies, Llc | Closed-loop temperature control for an emission control device |
US6467259B1 (en) | 2001-06-19 | 2002-10-22 | Ford Global Technologies, Inc. | Method and system for operating dual-exhaust engine |
US6615577B2 (en) | 2001-06-19 | 2003-09-09 | Ford Global Technologies, Llc | Method and system for controlling a regeneration cycle of an emission control device |
US6539706B2 (en) | 2001-06-19 | 2003-04-01 | Ford Global Technologies, Inc. | Method and system for preconditioning an emission control device for operation about stoichiometry |
US6546718B2 (en) | 2001-06-19 | 2003-04-15 | Ford Global Technologies, Inc. | Method and system for reducing vehicle emissions using a sensor downstream of an emission control device |
US6453666B1 (en) | 2001-06-19 | 2002-09-24 | Ford Global Technologies, Inc. | Method and system for reducing vehicle tailpipe emissions when operating lean |
US6487853B1 (en) | 2001-06-19 | 2002-12-03 | Ford Global Technologies. Inc. | Method and system for reducing lean-burn vehicle emissions using a downstream reductant sensor |
US6463733B1 (en) | 2001-06-19 | 2002-10-15 | Ford Global Technologies, Inc. | Method and system for optimizing open-loop fill and purge times for an emission control device |
US6694244B2 (en) | 2001-06-19 | 2004-02-17 | Ford Global Technologies, Llc | Method for quantifying oxygen stored in a vehicle emission control device |
US6502387B1 (en) | 2001-06-19 | 2003-01-07 | Ford Global Technologies, Inc. | Method and system for controlling storage and release of exhaust gas constituents in an emission control device |
US6650991B2 (en) | 2001-06-19 | 2003-11-18 | Ford Global Technologies, Llc | Closed-loop method and system for purging a vehicle emission control |
US6604504B2 (en) | 2001-06-19 | 2003-08-12 | Ford Global Technologies, Llc | Method and system for transitioning between lean and stoichiometric operation of a lean-burn engine |
US6490860B1 (en) | 2001-06-19 | 2002-12-10 | Ford Global Technologies, Inc. | Open-loop method and system for controlling the storage and release cycles of an emission control device |
US6691020B2 (en) | 2001-06-19 | 2004-02-10 | Ford Global Technologies, Llc | Method and system for optimizing purge of exhaust gas constituent stored in an emission control device |
US6553754B2 (en) | 2001-06-19 | 2003-04-29 | Ford Global Technologies, Inc. | Method and system for controlling an emission control device based on depletion of device storage capacity |
US7168239B2 (en) | 2002-06-04 | 2007-01-30 | Ford Global Technologies, Llc | Method and system for rapid heating of an emission control device |
US6735938B2 (en) | 2002-06-04 | 2004-05-18 | Ford Global Technologies, Llc | Method to control transitions between modes of operation of an engine |
US7111450B2 (en) | 2002-06-04 | 2006-09-26 | Ford Global Technologies, Llc | Method for controlling the temperature of an emission control device |
US7032572B2 (en) | 2002-06-04 | 2006-04-25 | Ford Global Technologies, Llc | Method for controlling an engine to obtain rapid catalyst heating |
US6925982B2 (en) | 2002-06-04 | 2005-08-09 | Ford Global Technologies, Llc | Overall scheduling of a lean burn engine system |
US6736121B2 (en) | 2002-06-04 | 2004-05-18 | Ford Global Technologies, Llc | Method for air-fuel ratio sensor diagnosis |
US6769398B2 (en) | 2002-06-04 | 2004-08-03 | Ford Global Technologies, Llc | Idle speed control for lean burn engine with variable-displacement-like characteristic |
US6745747B2 (en) | 2002-06-04 | 2004-06-08 | Ford Global Technologies, Llc | Method for air-fuel ratio control of a lean burn engine |
US6758185B2 (en) | 2002-06-04 | 2004-07-06 | Ford Global Technologies, Llc | Method to improve fuel economy in lean burn engines with variable-displacement-like characteristics |
US6715462B2 (en) | 2002-06-04 | 2004-04-06 | Ford Global Technologies, Llc | Method to control fuel vapor purging |
US6568177B1 (en) | 2002-06-04 | 2003-05-27 | Ford Global Technologies, Llc | Method for rapid catalyst heating |
US6725830B2 (en) | 2002-06-04 | 2004-04-27 | Ford Global Technologies, Llc | Method for split ignition timing for idle speed control of an engine |
US6868827B2 (en) | 2002-06-04 | 2005-03-22 | Ford Global Technologies, Llc | Method for controlling transitions between operating modes of an engine for rapid heating of an emission control device |
US6736120B2 (en) | 2002-06-04 | 2004-05-18 | Ford Global Technologies, Llc | Method and system of adaptive learning for engine exhaust gas sensors |
DE102006013293B4 (de) * | 2006-03-23 | 2016-08-18 | Robert Bosch Gmbh | Verfahren zur Diagnose einer Abgasnachbehandlungsvorrichtung und Vorrichtung zur Durchführung des Verfahrens |
EP3409915B1 (fr) | 2013-01-09 | 2020-12-23 | Mac Donald, John, Joseph | Système et procédé permettant d'améliorer le rendement des moteurs à combustion qui utilisent des carburants primaire et secondaire |
US9773355B2 (en) | 2015-05-27 | 2017-09-26 | Bms-Tek, Llc | System for monitoring and inspecting vehicle emissions levels for compliance |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2171413A1 (fr) * | 1972-02-10 | 1973-09-21 | Bosch Gmbh Robert | |
FR2209046A1 (fr) * | 1972-10-19 | 1974-06-28 | Bosch Gmbh Robert | |
FR2228158A1 (fr) * | 1973-05-04 | 1974-11-29 | Sibe | |
DE2333743A1 (de) * | 1973-07-03 | 1975-01-30 | Bosch Gmbh Robert | Verfahren und vorrichtung zur abgasentgiftung von brennkraftmaschinen |
US3948228A (en) * | 1974-11-06 | 1976-04-06 | The Bendix Corporation | Exhaust gas sensor operational detection system |
DE2622049A1 (de) * | 1975-05-20 | 1976-12-02 | Nissan Motor | Steuereinrichtung fuer das gemisch eines verbrennungsmotors |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2229928C3 (de) * | 1972-06-20 | 1981-03-19 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren und Vorrichtung zur Verminderung von schädlichen Anteilen der Abgasemission von Brennkraftmaschinen |
JPS5053722A (fr) * | 1973-09-12 | 1975-05-13 | ||
FR2313568A1 (fr) * | 1974-05-24 | 1976-12-31 | Laprade Bernard | Procede et dispositif de commande d'une electrovanne de regulation du dosage du melange air-essence des moteurs a combustion interne |
DE2442229C3 (de) * | 1974-09-04 | 1980-08-21 | Robert Bosch Gmbh, 7000 Stuttgart | Kraftstoffeinspritzanlage für eine Brennkraftmaschine |
US4112880A (en) * | 1975-12-27 | 1978-09-12 | Nissan Motor Company, Limited | Method of and mixture control system for varying the mixture control point relative to a fixed reference |
JPS5297025A (en) * | 1976-02-09 | 1977-08-15 | Nissan Motor Co Ltd | Air fuel ration controller |
-
1977
- 1977-01-25 DE DE2702863A patent/DE2702863C2/de not_active Expired
-
1978
- 1978-01-24 JP JP666078A patent/JPS5393223A/ja active Granted
- 1978-01-25 FR FR7802063A patent/FR2378181B1/fr not_active Expired
- 1978-01-25 US US05/872,140 patent/US4178883A/en not_active Expired - Lifetime
- 1978-01-25 GB GB13893/80A patent/GB1597752A/en not_active Expired
- 1978-01-25 GB GB2986/78A patent/GB1597751A/en not_active Expired
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2171413A1 (fr) * | 1972-02-10 | 1973-09-21 | Bosch Gmbh Robert | |
FR2209046A1 (fr) * | 1972-10-19 | 1974-06-28 | Bosch Gmbh Robert | |
FR2228158A1 (fr) * | 1973-05-04 | 1974-11-29 | Sibe | |
DE2333743A1 (de) * | 1973-07-03 | 1975-01-30 | Bosch Gmbh Robert | Verfahren und vorrichtung zur abgasentgiftung von brennkraftmaschinen |
US3948228A (en) * | 1974-11-06 | 1976-04-06 | The Bendix Corporation | Exhaust gas sensor operational detection system |
DE2622049A1 (de) * | 1975-05-20 | 1976-12-02 | Nissan Motor | Steuereinrichtung fuer das gemisch eines verbrennungsmotors |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2456850A1 (fr) * | 1979-05-12 | 1980-12-12 | Bosch Gmbh Robert | Installation de dosage de carburant pour un moteur a combustion interne avec un generateur de signal de dosage |
Also Published As
Publication number | Publication date |
---|---|
FR2378181B1 (fr) | 1985-08-23 |
US4178883A (en) | 1979-12-18 |
GB1597752A (en) | 1981-09-09 |
JPS5393223A (en) | 1978-08-16 |
GB1597751A (en) | 1981-09-09 |
DE2702863A1 (de) | 1978-07-27 |
DE2702863C2 (de) | 1986-06-05 |
JPS621099B2 (fr) | 1987-01-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |