FR2377533A1 - Ignition control circuit for IC engine - has electronic circuit calculating angle of retardation for control - Google Patents

Ignition control circuit for IC engine - has electronic circuit calculating angle of retardation for control

Info

Publication number
FR2377533A1
FR2377533A1 FR7701041A FR7701041A FR2377533A1 FR 2377533 A1 FR2377533 A1 FR 2377533A1 FR 7701041 A FR7701041 A FR 7701041A FR 7701041 A FR7701041 A FR 7701041A FR 2377533 A1 FR2377533 A1 FR 2377533A1
Authority
FR
France
Prior art keywords
control
retardation
engine
circuit
calculating angle
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
Application number
FR7701041A
Other languages
French (fr)
Other versions
FR2377533B1 (en
Inventor
Louis Monpetit
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.)
Bpifrance Financement SA
Original Assignee
Agence National de Valorisation de la Recherche ANVAR
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 Agence National de Valorisation de la Recherche ANVAR filed Critical Agence National de Valorisation de la Recherche ANVAR
Priority to FR7701041A priority Critical patent/FR2377533A1/en
Publication of FR2377533A1 publication Critical patent/FR2377533A1/en
Application granted granted Critical
Publication of FR2377533B1 publication Critical patent/FR2377533B1/fr
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P3/00—Other installations
    • F02P3/02—Other installations having inductive energy storage, e.g. arrangements of induction coils
    • F02P3/04—Layout of circuits
    • F02P3/045—Layout of circuits for control of the dwell or anti dwell time
    • F02P3/0453—Opening or closing the primary coil circuit with semiconductor devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P5/00—Advancing or retarding ignition; Control therefor
    • F02P5/04—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions
    • F02P5/145—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions using electrical means
    • F02P5/15—Digital data processing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P5/00—Advancing or retarding ignition; Control therefor
    • F02P5/04—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions
    • F02P5/145—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions using electrical means
    • F02P5/155—Analogue data processing
    • F02P5/1553—Analogue data processing by determination of elapsed angle with reference to a particular point on the motor axle, dependent on specific conditions
    • F02P5/1556—Analogue data processing by determination of elapsed angle with reference to a particular point on the motor axle, dependent on specific conditions using a stepped control, dependent on speed
    • 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

Abstract

The timing and duration of excitation of the ignition coil is controlled by its relation with the angle of retardation. The engine cycle is divided angularly into two different types of sectors; the one in which calculations are made, the other when control is executed. The signal corresponds to the engine cycle sector. The output signal, is fed to the circuit which thereby controls the ignition timing and duration. The system makes corrections to the retard angle at high and low speeds. It can be applied to polycylindrical engines using either analogue or digital circuits.
FR7701041A 1977-01-14 1977-01-14 Ignition control circuit for IC engine - has electronic circuit calculating angle of retardation for control Granted FR2377533A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7701041A FR2377533A1 (en) 1977-01-14 1977-01-14 Ignition control circuit for IC engine - has electronic circuit calculating angle of retardation for control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7701041A FR2377533A1 (en) 1977-01-14 1977-01-14 Ignition control circuit for IC engine - has electronic circuit calculating angle of retardation for control

Publications (2)

Publication Number Publication Date
FR2377533A1 true FR2377533A1 (en) 1978-08-11
FR2377533B1 FR2377533B1 (en) 1980-03-28

Family

ID=9185503

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7701041A Granted FR2377533A1 (en) 1977-01-14 1977-01-14 Ignition control circuit for IC engine - has electronic circuit calculating angle of retardation for control

Country Status (1)

Country Link
FR (1) FR2377533A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4408583A (en) * 1981-05-26 1983-10-11 Automatic Controls, Corp. Ignition timing control

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4408583A (en) * 1981-05-26 1983-10-11 Automatic Controls, Corp. Ignition timing control

Also Published As

Publication number Publication date
FR2377533B1 (en) 1980-03-28

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Legal Events

Date Code Title Description
ST Notification of lapse