FR2135996A5 - - Google Patents

Info

Publication number
FR2135996A5
FR2135996A5 FR7207868A FR7207868A FR2135996A5 FR 2135996 A5 FR2135996 A5 FR 2135996A5 FR 7207868 A FR7207868 A FR 7207868A FR 7207868 A FR7207868 A FR 7207868A FR 2135996 A5 FR2135996 A5 FR 2135996A5
Authority
FR
France
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
Application number
FR7207868A
Inventor
R Zechnall
P Schmidt
J Wahl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Application granted granted Critical
Publication of FR2135996A5 publication Critical patent/FR2135996A5/fr
Expired legal-status Critical Current

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
    • F02D41/1477—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
    • 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
    • F02D35/003—Controlling air supply by means of by-pass passages
    • 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
    • F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/1446—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 exhaust temperatures
    • 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
    • F02D41/1486—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor with correction for particular operating conditions
    • F02D41/1488—Inhibiting the regulation
    • F02D41/149—Replacing of the control value by an other parameter
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M23/00—Apparatus for adding secondary air to fuel-air mixture
    • F02M23/04—Apparatus for adding secondary air to fuel-air mixture with automatic control
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

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)
  • Control Of The Air-Fuel Ratio Of Carburetors (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
FR7207868A 1971-04-02 1972-03-07 Expired FR2135996A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2116097A DE2116097B2 (de) 1971-04-02 1971-04-02 Vorrichtung zur Regelung der Luftzahl λ des einer Brennkraftmaschine zugeführten Kraftstoff-Luft-Gemisches

Publications (1)

Publication Number Publication Date
FR2135996A5 true FR2135996A5 (fr) 1972-12-22

Family

ID=5803670

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7207868A Expired FR2135996A5 (fr) 1971-04-02 1972-03-07

Country Status (9)

Country Link
US (1) US3745768A (fr)
JP (3) JPS5522615B1 (fr)
AT (1) AT318306B (fr)
DE (1) DE2116097B2 (fr)
FR (1) FR2135996A5 (fr)
GB (1) GB1386429A (fr)
IT (1) IT951171B (fr)
NL (2) NL169211C (fr)
SE (1) SE376046B (fr)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2228154A1 (fr) * 1973-05-04 1974-11-29 Lucas Electrical Co Ltd
FR2296761A1 (fr) * 1974-12-31 1976-07-30 Zenith Carburetter Co Ltd Perfectionnements apportes aux moteurs a combustion interne a allumage par etincelles
FR2307968A1 (fr) * 1975-04-18 1976-11-12 Bosch Gmbh Robert Procede et dispositif pour determiner la duree d'impulsions d'injection de carburant
FR2377059A1 (fr) * 1977-01-08 1978-08-04 Bosch Gmbh Robert Dispositif pour reconnaitre si une sonde l (sonde a oxygene) est en mesure de fonctionner
FR2380432A1 (fr) * 1977-02-14 1978-09-08 Colt Ind Operating Corp Dispositif et montage electrique pour regler la richesse du melange alimentant un moteur a explosion
FR2382583A1 (fr) * 1977-03-03 1978-09-29 Bosch Gmbh Robert Circuit de surveillance de la composition des gaz d'echappement de moteur a combustion interne
FR2384955A2 (fr) * 1977-02-14 1978-10-20 Colt Ind Operating Corp Dispositif et montage electrique pour regler la richesse du melange alimentant un moteur a explosion
EP0005613A2 (fr) * 1978-05-15 1979-11-28 Allied Corporation Circuit sensible à la température pour sonde de détection d'oxygène pendant la période de chauffage
EP0016547A1 (fr) * 1979-03-14 1980-10-01 LUCAS INDUSTRIES public limited company Système de commande de carburant pour un moteur à combustion interne
FR2459885A1 (fr) * 1979-06-22 1981-01-16 Nissan Motor Systeme pour une commande a retro-action du rapport air/carburant dans un moteur a combustion interne
FR2467987A1 (fr) * 1979-10-16 1981-04-30 Bosch Gmbh Robert Procede et installation pour la regulation de la composition du melange dans un moteur a combustion interne
EP0106348A2 (fr) * 1982-10-18 1984-04-25 Hitachi, Ltd. Méthode de commande du rapport air-carburant des moteurs à combustion interne d'automobiles
EP0136519A2 (fr) * 1983-08-24 1985-04-10 Hitachi, Ltd. Appareil de commande du rapport air/carburant pour moteurs à combustion interne

Families Citing this family (102)

* Cited by examiner, † Cited by third party
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
JPS5118023B2 (fr) * 1972-04-14 1976-06-07
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
FR2195262A5 (fr) * 1972-08-02 1974-03-01 Laprade Bernard
DE2241936C3 (de) * 1972-08-25 1979-02-01 Robert Bosch Gmbh, 7000 Stuttgart KraftstoffzumeBanlage für Brennkraftmaschinen
IT995212B (it) * 1972-08-29 1975-11-10 Bosch Gmbh Robert Impianto di dosaggio del carburante per motori a combustione interna
DE2245029C3 (de) * 1972-09-14 1981-08-20 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und Vorrichtung zur Abgasentgiftung von Brennkraftmaschinen
US4040394A (en) * 1972-09-14 1977-08-09 Robert Bosch Gmbh Apparatus repetitively controlling the composition of exhaust emissions from internal combustion engines, in predetermined intervals
US3815561A (en) * 1972-09-14 1974-06-11 Bendix Corp Closed loop engine control system
DE2246625C3 (de) * 1972-09-22 1982-02-18 Robert Bosch Gmbh, 7000 Stuttgart Kraftstoffzumeßanlage
DE2247656C3 (de) * 1972-09-28 1981-12-17 Robert Bosch Gmbh, 7000 Stuttgart Einrichtung zum Regeln des Verhältnisses der Kraftstoff- und Luftanteile des Betriebsgemisches einer Brennkraftmaschine
JPS5435258B2 (fr) * 1972-10-03 1979-11-01
US3895611A (en) * 1972-10-17 1975-07-22 Nippon Denso Co Air-fuel ratio feedback type fuel injection system
DE2321721C2 (de) * 1973-04-28 1982-12-16 Robert Bosch Gmbh, 7000 Stuttgart Einrichtung zur Minderung von schädlichen Anteilen der Abgasemission von Brennkraftmaschinen
DE2251167C3 (de) * 1972-10-19 1986-07-31 Robert Bosch Gmbh, 7000 Stuttgart Einrichtung zur Abgasentgiftung von Brennkraftmaschinen
JPS5536820B2 (fr) * 1972-10-25 1980-09-24
DE2252185C2 (de) * 1972-10-25 1983-12-01 Robert Bosch Gmbh, 7000 Stuttgart Schaltungsanordnung zur Umformung und Auswertung des Ausgangssignales eines Sauerstoffmeßfühlers bei einer Einrichtung zur Abgasentgiftung von Brennkraftmaschinen
JPS4972524A (fr) * 1972-11-17 1974-07-12
DE2301354C3 (de) * 1973-01-12 1981-03-12 Robert Bosch Gmbh, 7000 Stuttgart Einrichtung zum Regeln des Kraftstoff-Luftverhältnisses bei Brennkraftmaschinen
DE2407859A1 (de) * 1973-02-20 1974-08-22 Lucas Electrical Co Ltd Kraftstoffregelsystem
US3906910A (en) * 1973-04-23 1975-09-23 Colt Ind Operating Corp Carburetor with feedback means and system
JPS50229A (fr) * 1973-05-09 1975-01-06
US3915135A (en) * 1973-07-02 1975-10-28 Ford Motor Co Circuit for converting a temperature dependent input signal to a temperature independent output signal
JPS5226285B2 (fr) * 1973-08-11 1977-07-13
JPS5632451B2 (fr) * 1973-09-14 1981-07-28
DE2410644A1 (de) * 1974-03-06 1975-09-18 Reinhold Dipl Ing Schmidt Anordnungen an brennkraftmaschinen und/oder feuerungsanlagen bei methanol-betrieb
JPS50138218A (fr) * 1974-04-22 1975-11-04
DE2422938C2 (de) * 1974-05-11 1982-07-08 Robert Bosch Gmbh, 7000 Stuttgart Schalteinrichtung zur geregelten Zugabe von Zusatzluft zum Abgas einer Brennkraftmaschine
DE2437713A1 (de) * 1974-08-06 1976-02-26 Bosch Gmbh Robert Einrichtung zur verminderung von schaedlichen bestandteilen im abgas von brennkraftmaschinen
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
JPS50157711A (fr) * 1974-06-13 1975-12-19
JPS5110226A (en) * 1974-07-16 1976-01-27 Yamaha Motor Co Ltd Hibanatenkashiki 4 saikurunainenkikan
JPS5934860B2 (ja) * 1974-08-19 1984-08-24 カブシキガイシヤ ニツポンジドウシヤブヒンソウゴウケンキユウシヨ 内燃機関の空燃比補正装置
JPS5226572B2 (fr) * 1974-08-24 1977-07-14
FR2286285A1 (fr) * 1974-09-26 1976-04-23 Peugeot & Renault Dispositif electropneumatique de regulation d'une injection d'air auxiliaire a l'admission des moteurs a combustion interne
US3938479A (en) * 1974-09-30 1976-02-17 The Bendix Corporation Exhaust gas sensor operating temperature detection system
CA1054696A (fr) * 1974-10-21 1979-05-15 Masaharu Asano Dispositif de regulation du rapport air/carburant d'un moteur a combustion interne
DE2547576A1 (de) * 1974-10-25 1976-04-29 Nissan Motor Vorrichtung zur steuerung des luft-brennstoff-verhaeltnisses fuer eine brennkraftmaschine
JPS5153131A (en) * 1974-11-01 1976-05-11 Nissan Motor Kikaki
FR2291360A1 (fr) * 1974-11-13 1976-06-11 Nissan Motor Perfectionnements aux moteurs a combustion interne
DE2457434A1 (de) * 1974-12-05 1976-06-10 Bosch Gmbh Robert Vorrichtung zur bestimmung der kraftstoffeinspritzmenge bei gemischverdichtenden brennkraftmaschinen
JPS5166934A (en) * 1974-12-06 1976-06-10 Nissan Motor Nainenkikanno kunenhiseigyosochi
FR2295241A1 (fr) * 1974-12-20 1976-07-16 Laprade Bernard Dispositif correcteur du dosage du melange air/carburant de moteurs a combustion interne
GB1523512A (en) * 1975-02-06 1978-09-06 Nissan Motor Closed loop air-fuel ratio control system for use with internal combustion engine
CA1084143A (fr) * 1975-02-25 1980-08-19 Junuthula N. Reddy Systeme de regulation du rapport air/combustible par capteur stoechimetrique et integrateur asymetrique
JPS51129920U (fr) * 1975-04-10 1976-10-20
US4117815A (en) * 1975-04-22 1978-10-03 Nissan Motor Company, Limited Closed-loop mixture control system for internal combustion engine using error-corrected exhaust composition sensors
US3986352A (en) * 1975-05-08 1976-10-19 General Motors Corporation Closed loop fuel control using air injection in open loop modes
JPS51136035A (en) * 1975-05-20 1976-11-25 Nissan Motor Co Ltd Air fuel mixture rate control device
JPS584177B2 (ja) * 1975-05-28 1983-01-25 トヨタ自動車株式会社 電子制御噴射エンジンの帰還式空燃比制御装置
JPS5950862B2 (ja) * 1975-08-05 1984-12-11 日産自動車株式会社 空燃比制御装置
JPS5253148A (en) * 1975-10-28 1977-04-28 Nissan Motor Co Ltd Air/fuel ratio controller
JPS6014183B2 (ja) * 1975-11-11 1985-04-11 株式会社日本自動車部品総合研究所 空気流量調整装置
JPS6014182B2 (ja) * 1975-11-11 1985-04-11 株式会社日本自動車部品総合研究所 空気流量調整装置
JPS5834658B2 (ja) * 1975-11-11 1983-07-28 カブシキガイシヤ ニツポンジドウシヤブヒンソウゴウケンキユウシヨ クウキリユウリヨウチヨウセイソウチ
JPS5844854B2 (ja) * 1975-11-21 1983-10-05 カブシキガイシヤ ニツポンジドウシヤブヒンソウゴウケンキユウシヨ クウネンヒチヨウセイソウチ
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JPS52114823A (en) * 1976-03-24 1977-09-27 Nissan Motor Co Ltd Air fuel ratio controller
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JPS52135925A (en) * 1976-05-10 1977-11-14 Nissan Motor Co Ltd Air fuel ratio control equipment
DE2649272C2 (de) * 1976-05-22 1986-04-03 Robert Bosch Gmbh, 7000 Stuttgart Regelverfahren und Gemischverhältnisregeleinrichtung zur Bestimmung der Verhältnisanteile eines einer Brennkraftmaschine zugeführten Kraftstoff-Luftgemisches
JPS52154930A (en) * 1976-05-22 1977-12-23 Bosch Gmbh Robert Device for controlling fuellair ratio of mixture for internal combustion engine
JPS52153034A (en) * 1976-06-15 1977-12-19 Nippon Denso Co Ltd Electric air-fuel ratio controlling device
US4395876A (en) * 1976-06-30 1983-08-02 Ethyl Corporation Variable secondary air system for an engine
JPS5316927A (en) * 1976-07-30 1978-02-16 Kawasaki Heavy Ind Ltd Automatic combustion control system for fuel
JPS5319887A (en) * 1976-08-08 1978-02-23 Nippon Soken Deterioration detecting apparatus for oxygen concentration detector
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JPS6042196Y2 (ja) * 1977-05-27 1985-12-24 日産自動車株式会社 空燃比制御装置
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US4245314A (en) * 1978-02-27 1981-01-13 The Bendix Corporation Oxygen sensor qualifier
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JP4400633B2 (ja) * 2007-02-26 2010-01-20 トヨタ自動車株式会社 内燃機関の制御システム
FR2943385B1 (fr) * 2009-03-19 2014-07-18 Renault Sas Dispositif et procede de commande de l'injection de carburant dans un moteur en fonction du taux de recirculation partielle des gaz d'echappement
DE102011080951A1 (de) 2011-08-15 2013-02-21 Robert Bosch Gmbh Verfahren und Vorrichtung zur Bestimmung der Zusammensetzung eines Gasgemischs

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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2228154A1 (fr) * 1973-05-04 1974-11-29 Lucas Electrical Co Ltd
FR2296761A1 (fr) * 1974-12-31 1976-07-30 Zenith Carburetter Co Ltd Perfectionnements apportes aux moteurs a combustion interne a allumage par etincelles
FR2307968A1 (fr) * 1975-04-18 1976-11-12 Bosch Gmbh Robert Procede et dispositif pour determiner la duree d'impulsions d'injection de carburant
FR2377059A1 (fr) * 1977-01-08 1978-08-04 Bosch Gmbh Robert Dispositif pour reconnaitre si une sonde l (sonde a oxygene) est en mesure de fonctionner
FR2380432A1 (fr) * 1977-02-14 1978-09-08 Colt Ind Operating Corp Dispositif et montage electrique pour regler la richesse du melange alimentant un moteur a explosion
FR2384955A2 (fr) * 1977-02-14 1978-10-20 Colt Ind Operating Corp Dispositif et montage electrique pour regler la richesse du melange alimentant un moteur a explosion
FR2382583A1 (fr) * 1977-03-03 1978-09-29 Bosch Gmbh Robert Circuit de surveillance de la composition des gaz d'echappement de moteur a combustion interne
EP0005613A3 (fr) * 1978-05-15 1979-12-12 Allied Corporation Circuit sensible à la température pour sonde de détection d'oxygène pendant la période de chauffage
EP0005613A2 (fr) * 1978-05-15 1979-11-28 Allied Corporation Circuit sensible à la température pour sonde de détection d'oxygène pendant la période de chauffage
EP0016547A1 (fr) * 1979-03-14 1980-10-01 LUCAS INDUSTRIES public limited company Système de commande de carburant pour un moteur à combustion interne
FR2459885A1 (fr) * 1979-06-22 1981-01-16 Nissan Motor Systeme pour une commande a retro-action du rapport air/carburant dans un moteur a combustion interne
FR2467987A1 (fr) * 1979-10-16 1981-04-30 Bosch Gmbh Robert Procede et installation pour la regulation de la composition du melange dans un moteur a combustion interne
EP0106348A2 (fr) * 1982-10-18 1984-04-25 Hitachi, Ltd. Méthode de commande du rapport air-carburant des moteurs à combustion interne d'automobiles
EP0106348B1 (fr) * 1982-10-18 1989-01-11 Hitachi, Ltd. Méthode de commande du rapport air-carburant des moteurs à combustion interne d'automobiles
EP0136519A2 (fr) * 1983-08-24 1985-04-10 Hitachi, Ltd. Appareil de commande du rapport air/carburant pour moteurs à combustion interne
EP0136519A3 (en) * 1983-08-24 1985-12-18 Hitachi, Ltd. Air-fuel ratio control apparatus for internal combustion engines

Also Published As

Publication number Publication date
NL169211C (nl) 1982-06-16
JPS5918126Y2 (ja) 1984-05-25
DE2116097A1 (de) 1972-10-19
IT951171B (it) 1973-06-30
NL169211B (nl) 1982-01-18
JPS6039460Y2 (ja) 1985-11-26
US3745768A (en) 1973-07-17
JPS584745U (ja) 1983-01-12
SE376046B (fr) 1975-05-05
NL7801027A (nl) 1978-05-31
GB1386429A (en) 1975-03-05
AT318306B (de) 1974-10-10
JPS5522615B1 (fr) 1980-06-18
DE2116097B2 (de) 1981-01-29
JPS584746U (ja) 1983-01-12
NL7204341A (fr) 1972-10-04

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