JPS572467A - Engine ignition timing control unit - Google Patents

Engine ignition timing control unit

Info

Publication number
JPS572467A
JPS572467A JP7688080A JP7688080A JPS572467A JP S572467 A JPS572467 A JP S572467A JP 7688080 A JP7688080 A JP 7688080A JP 7688080 A JP7688080 A JP 7688080A JP S572467 A JPS572467 A JP S572467A
Authority
JP
Japan
Prior art keywords
angle
voltage
revolution
maximum
charge
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
JP7688080A
Other languages
Japanese (ja)
Other versions
JPS6252141B2 (en
Inventor
Tsutomu Momoyama
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP7688080A priority Critical patent/JPS572467A/en
Publication of JPS572467A publication Critical patent/JPS572467A/en
Publication of JPS6252141B2 publication Critical patent/JPS6252141B2/ja
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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electrical Control Of Ignition Timing (AREA)

Abstract

PURPOSE:To obtain an ignition timing which delays angle at a prescribed inclination to a maximum delayed angle position along with the rise of revolution by using two crank angle signals and a constant current charge/ discharge circuit. CONSTITUTION:A maximum advanced angle position T2 generated by the first angle signal generator is used for an ignition timing in a revolution range under a revolution of N2 by employing the first angle signal which corresponds to the maximum advanced angle position T2 in synchronization with a revolutions of an angle and the second angle signal which corresponds to a standard position T1 which is advanced over said maximum advanced angle position T2 by a certain prescribed angle. In a range higher than said revolution N2, a capacitor charge/discharge voltage that is a discharge/charge voltage of an OP-amplifier output voltage D which repeats a certain charging/discharging referring to the second angle signal as a cycle-repeat standard can be obtained. The charging voltage output 51 gets inverted to a discharge voltage 52 when the former reached a comparator limit voltage, and since the capacitor charge/discharge currents I1 and I2 are a constant current, the angle ratio which the charge voltage 51 occupies in one revolution of an engine becomes constant, and since an advanced angle alpha becomes constant which was obtained during the time elapsed till the charge voltage 51 reaches the a limit voltage of the comparator from the time the second angle signal had set-in, an ignition timing can be obtained which uses a position T3 more delayed than the maximum advanced angle position T2 as a constant maximum dalyed anle position.
JP7688080A 1980-06-06 1980-06-06 Engine ignition timing control unit Granted JPS572467A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7688080A JPS572467A (en) 1980-06-06 1980-06-06 Engine ignition timing control unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7688080A JPS572467A (en) 1980-06-06 1980-06-06 Engine ignition timing control unit

Publications (2)

Publication Number Publication Date
JPS572467A true JPS572467A (en) 1982-01-07
JPS6252141B2 JPS6252141B2 (en) 1987-11-04

Family

ID=13617939

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7688080A Granted JPS572467A (en) 1980-06-06 1980-06-06 Engine ignition timing control unit

Country Status (1)

Country Link
JP (1) JPS572467A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02104696A (en) * 1988-10-11 1990-04-17 Fuji Shoko Kk Plating method for doctor

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51120334A (en) * 1975-04-14 1976-10-21 Nippon Soken Inc Electronic type ignition time adjustor for internal combustion engine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51120334A (en) * 1975-04-14 1976-10-21 Nippon Soken Inc Electronic type ignition time adjustor for internal combustion engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02104696A (en) * 1988-10-11 1990-04-17 Fuji Shoko Kk Plating method for doctor

Also Published As

Publication number Publication date
JPS6252141B2 (en) 1987-11-04

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