JPS572466A - Internal combustion engine ignition unit - Google Patents

Internal combustion engine ignition unit

Info

Publication number
JPS572466A
JPS572466A JP7563580A JP7563580A JPS572466A JP S572466 A JPS572466 A JP S572466A JP 7563580 A JP7563580 A JP 7563580A JP 7563580 A JP7563580 A JP 7563580A JP S572466 A JPS572466 A JP S572466A
Authority
JP
Japan
Prior art keywords
signal generator
ignition timing
timer
ignition
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.)
Pending
Application number
JP7563580A
Other languages
Japanese (ja)
Inventor
Suetaro Shibukawa
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP7563580A priority Critical patent/JPS572466A/en
Publication of JPS572466A publication Critical patent/JPS572466A/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
    • F02P9/00—Electric spark ignition control, not otherwise provided for
    • F02P9/002—Control of spark intensity, intensifying, lengthening, suppression
    • F02P9/005—Control of spark intensity, intensifying, lengthening, suppression by weakening or suppression of sparks to limit the engine speed

Landscapes

  • Engineering & Computer Science (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 delay an ignition timing angle in a higher revolution range by generating an ignition signal using the first signal generator in a revolution range under a delayed angle start revolutions and generating the ignition timing signal by using a combination of the second signal generator and a timer with a revolution higher than the delayed angle start revolutions. CONSTITUTION:Usually, the first signal generator 1 activtes a ignition circuit 6. A timer 4 is triggered by the second signal generator 3. The timer 4 becomes low- level for a certain period. Accordingly, the ignition timing characteristic becomes as tha of BE which delay angles in a high-revolution range. Eventually the ignition timing can be precisely controlled by this mechansim of a simple construction.
JP7563580A 1980-06-06 1980-06-06 Internal combustion engine ignition unit Pending JPS572466A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7563580A JPS572466A (en) 1980-06-06 1980-06-06 Internal combustion engine ignition unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7563580A JPS572466A (en) 1980-06-06 1980-06-06 Internal combustion engine ignition unit

Publications (1)

Publication Number Publication Date
JPS572466A true JPS572466A (en) 1982-01-07

Family

ID=13581902

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7563580A Pending JPS572466A (en) 1980-06-06 1980-06-06 Internal combustion engine ignition unit

Country Status (1)

Country Link
JP (1) JPS572466A (en)

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