JPS5720561A - Controller for ignition time of internal combustion engine - Google Patents

Controller for ignition time of internal combustion engine

Info

Publication number
JPS5720561A
JPS5720561A JP9549480A JP9549480A JPS5720561A JP S5720561 A JPS5720561 A JP S5720561A JP 9549480 A JP9549480 A JP 9549480A JP 9549480 A JP9549480 A JP 9549480A JP S5720561 A JPS5720561 A JP S5720561A
Authority
JP
Japan
Prior art keywords
preignition
knocking
circuit
ignition time
spark plug
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.)
Pending
Application number
JP9549480A
Other languages
Japanese (ja)
Inventor
Yoshio Nakahara
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.)
Niterra Co Ltd
Original Assignee
NGK Spark Plug Co 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 NGK Spark Plug Co Ltd filed Critical NGK Spark Plug Co Ltd
Priority to JP9549480A priority Critical patent/JPS5720561A/en
Publication of JPS5720561A publication Critical patent/JPS5720561A/en
Pending 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
    • F02P5/15—Digital data processing
    • F02P5/152—Digital data processing dependent on pinking
    • 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 protect a spark plug and an engine from trouble due to too early ignition, by detecting the preignition caused on the spark plug and knocking, to delay ignition time. CONSTITUTION:Preignition on a spark plug P is detected by a preignition detection circuit 10 to generate an output signal corresponding to the occurrence time (interval) of the preignition, magnitude of current or voltage of the preignition, the frequency of the preignition occurrence or the like. The knocking of an engine is detected in terms of a signal from a knock sensor 3A made of a piezoelectric element or the like, so that a circuit 30 generates a knocking output signal. Both the output signals are applied to the base of a power transistor T which constitutes a spark delay control circuit 40. The circuit 40 produces a control signal to delay ignition time. The spark discharge time is thus adjusted.
JP9549480A 1980-07-11 1980-07-11 Controller for ignition time of internal combustion engine Pending JPS5720561A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9549480A JPS5720561A (en) 1980-07-11 1980-07-11 Controller for ignition time of internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9549480A JPS5720561A (en) 1980-07-11 1980-07-11 Controller for ignition time of internal combustion engine

Publications (1)

Publication Number Publication Date
JPS5720561A true JPS5720561A (en) 1982-02-03

Family

ID=14139145

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9549480A Pending JPS5720561A (en) 1980-07-11 1980-07-11 Controller for ignition time of internal combustion engine

Country Status (1)

Country Link
JP (1) JPS5720561A (en)

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