ES471059A1 - Sistema de control del combustible para los motores de com- bustion interna - Google Patents

Sistema de control del combustible para los motores de com- bustion interna

Info

Publication number
ES471059A1
ES471059A1 ES471059A ES471059A ES471059A1 ES 471059 A1 ES471059 A1 ES 471059A1 ES 471059 A ES471059 A ES 471059A ES 471059 A ES471059 A ES 471059A ES 471059 A1 ES471059 A1 ES 471059A1
Authority
ES
Spain
Prior art keywords
transducer
output
feedback
stage
combustion engine
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
Application number
ES471059A
Other languages
English (en)
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.)
ZF International UK Ltd
Original Assignee
Lucas Industries Ltd
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 Lucas Industries Ltd filed Critical Lucas Industries Ltd
Publication of ES471059A1 publication Critical patent/ES471059A1/es
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
    • F02D41/1473—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
    • F02D41/1476—Biasing of the sensor
    • 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
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/2403—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially up/down counters

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)

Abstract

Sistema de control del combustible para los motores de combustión interna que comprende un dispositivo sensor de la composición del gas de escape que tiene una alta impedancia de salida a baja temperatura, pero que produce, cuando se halla a la temperatura de funcionamiento, una señal de voltaje relacionada con la composición del gas de escape y un circuito de control del combustible con el que está conectado dicho dispositivo sensor de manera que las variaciones experimentadas en la señal de voltaje del mismo hagan variar el flujo del combustible para el motor con el fin de hacer que la señal de voltaje se acerque a un valor deseado.
ES471059A 1977-06-23 1978-06-22 Sistema de control del combustible para los motores de com- bustion interna Expired ES471059A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB26295/77A GB1604227A (en) 1977-06-23 1977-06-23 Internal combustion engine fuel control system

Publications (1)

Publication Number Publication Date
ES471059A1 true ES471059A1 (es) 1979-01-01

Family

ID=10241382

Family Applications (1)

Application Number Title Priority Date Filing Date
ES471059A Expired ES471059A1 (es) 1977-06-23 1978-06-22 Sistema de control del combustible para los motores de com- bustion interna

Country Status (7)

Country Link
US (1) US4205378A (es)
JP (1) JPS5410829A (es)
DE (1) DE2827208A1 (es)
ES (1) ES471059A1 (es)
FR (1) FR2395404A1 (es)
GB (1) GB1604227A (es)
IT (1) IT1105019B (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2846386A1 (de) * 1978-10-25 1980-05-14 Bosch Gmbh Robert Einrichtung zum steuern der gemischzusammensetzung bei einer brennkraftmaschine
DE2919194C3 (de) * 1979-05-12 1994-07-28 Bosch Gmbh Robert Anordnung zum Regeln der Zusammensetzung des einer Brennkraftmaschine zugeführten Luft-Kraftstoff-Gemischs
US4493302A (en) * 1982-02-01 1985-01-15 Nissan Motor Company, Limited Fuel injection timing control system for an internal combustion engine
JPH0432361Y2 (es) * 1984-10-03 1992-08-04
DE3541884A1 (de) * 1985-11-27 1987-06-04 Triumph Adler Ag Verfahren und schaltungsanordnung zur ansteuerung von treiberstufen fuer funktionen von kraftfahrzeug-verbrennungsmotoren, insbesondere fuer die kraftstoffeinspritzung oder zuendung

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3569739A (en) * 1967-12-18 1971-03-09 Bendix Corp Variable level detector network having constant percentage hysteresis
US3816760A (en) * 1971-10-26 1974-06-11 Dahl G Co Inc Variable level noise barrier circuit responsive to a bipolar input and having variable bipolar hysteresis and having a bipolar output
IT998750B (it) * 1972-10-19 1976-02-20 Bosch Gmbh Robert Dispositivo per la depurazione dei gas di scarico di motori a combu stione interna
US3916170A (en) * 1973-04-25 1975-10-28 Nippon Denso Co Air-fuel ratio feed back type fuel injection control system
US3866063A (en) * 1973-10-23 1975-02-11 Fairchild Camera Instr Co Improved rectifying circuit
DE2517269C3 (de) * 1975-04-18 1980-06-19 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und Vorrichtung zur Bestimmung der Dauer von Kraftstoffeinspritzimpulsen
US4112893A (en) * 1975-12-25 1978-09-12 Nissan Motor Company, Limited Air/fuel ratio control system for internal combustion engine having high input impedance circuit
JPS5297030A (en) * 1976-02-12 1977-08-15 Nissan Motor Co Ltd Air fuel ratio controller
JPS52135925A (en) * 1976-05-10 1977-11-14 Nissan Motor Co Ltd Air fuel ratio control equipment
DE2623018A1 (de) * 1976-05-22 1977-12-08 Bosch Gmbh Robert Verfahren und vorrichtung zur bestimmung der dauer von kraftstoffeinspritzimpulsen
JPS535331A (en) * 1976-07-02 1978-01-18 Nippon Denso Co Ltd Air-fuel ratio feedback control system
JPS5820379B2 (ja) * 1976-12-28 1983-04-22 日産自動車株式会社 空燃比制御装置
US4122811A (en) * 1977-07-25 1978-10-31 General Motors Corporation Digital closed loop fuel control system

Also Published As

Publication number Publication date
DE2827208C2 (es) 1990-08-16
IT1105019B (it) 1985-10-28
JPS6132489B2 (es) 1986-07-28
FR2395404A1 (fr) 1979-01-19
GB1604227A (en) 1981-12-02
US4205378A (en) 1980-05-27
FR2395404B1 (es) 1983-09-02
DE2827208A1 (de) 1979-01-04
IT7849974A0 (it) 1978-06-22
JPS5410829A (en) 1979-01-26

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