JPS555451A - Internal combustion engine ignition device provided with ignition lag angle circuit - Google Patents

Internal combustion engine ignition device provided with ignition lag angle circuit

Info

Publication number
JPS555451A
JPS555451A JP7724578A JP7724578A JPS555451A JP S555451 A JPS555451 A JP S555451A JP 7724578 A JP7724578 A JP 7724578A JP 7724578 A JP7724578 A JP 7724578A JP S555451 A JPS555451 A JP S555451A
Authority
JP
Japan
Prior art keywords
revolution
ignition
speed
engine
ignition timing
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
JP7724578A
Other languages
Japanese (ja)
Inventor
Tadashige Kondo
Susumu Ono
Kenichi Takada
Hisashi Inaga
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.)
Kioritz Corp
Kyoritsu Co Ltd
Original Assignee
Kioritz Corp
Kyoritsu 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 Kioritz Corp, Kyoritsu Co Ltd filed Critical Kioritz Corp
Priority to JP7724578A priority Critical patent/JPS555451A/en
Publication of JPS555451A publication Critical patent/JPS555451A/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)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Electrical Control Of Ignition Timing (AREA)

Abstract

PURPOSE:To positively prevent over-revolution, by mounting an over-revolution preventive circuit that suddenly delays ignition timing from some speed of revolution slightly exceeding regular use revolution ranges and continuously delays the ignition timing in proportion to the speed of revolution after that. CONSTITUTION:A portion between a gate and a cathode of a thyristor 10 for controlling ignition is maintained under a short circuit condition by means of a switching transistor 18 for a fixed period regardless of the change of the speed of revolution of an engine from a crank-angle location in some reference such as a peak point of time of the charging voltage of a condenser 5 for charge. Meanwhile, the generating time of ignition signal voltage generated by means of a generating coil 3 approaches to the reference crank-angle location direction with the increase of the speed of revolution of the engine, and the generating time of ignition signal voltage reaches during a fixed period maintained under a short circuit condition of the thyristor 10 for controlling ignition when the revolution of the engine exceeds its normal revolution range, thus forming an angle of lead of ignition timing.
JP7724578A 1978-06-26 1978-06-26 Internal combustion engine ignition device provided with ignition lag angle circuit Pending JPS555451A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7724578A JPS555451A (en) 1978-06-26 1978-06-26 Internal combustion engine ignition device provided with ignition lag angle circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7724578A JPS555451A (en) 1978-06-26 1978-06-26 Internal combustion engine ignition device provided with ignition lag angle circuit

Publications (1)

Publication Number Publication Date
JPS555451A true JPS555451A (en) 1980-01-16

Family

ID=13628465

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7724578A Pending JPS555451A (en) 1978-06-26 1978-06-26 Internal combustion engine ignition device provided with ignition lag angle circuit

Country Status (1)

Country Link
JP (1) JPS555451A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4385617A (en) * 1980-08-25 1983-05-31 Oppama Kogyo Kabushiki Kaisha Over-rotation preventing device for internal combustion engines
JPS59113259A (en) * 1982-12-18 1984-06-29 Nippon Denso Co Ltd Contactless ignition device for internal-combustion engine
JPS59123671U (en) * 1983-02-08 1984-08-20 沢藤電機株式会社 Engine non-contact ignition device
EP1146226A3 (en) * 2000-04-13 2003-10-29 Walbro Corporation Capacitor discharge engine ignition system with automatic ignition advance/retard timing control
JP2008255844A (en) * 2007-04-03 2008-10-23 Yamaha Motor Co Ltd Control device and control method for engine and straddle type vehicle

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4385617A (en) * 1980-08-25 1983-05-31 Oppama Kogyo Kabushiki Kaisha Over-rotation preventing device for internal combustion engines
JPS59113259A (en) * 1982-12-18 1984-06-29 Nippon Denso Co Ltd Contactless ignition device for internal-combustion engine
JPS59123671U (en) * 1983-02-08 1984-08-20 沢藤電機株式会社 Engine non-contact ignition device
JPS6347656Y2 (en) * 1983-02-08 1988-12-08
EP1146226A3 (en) * 2000-04-13 2003-10-29 Walbro Corporation Capacitor discharge engine ignition system with automatic ignition advance/retard timing control
JP2008255844A (en) * 2007-04-03 2008-10-23 Yamaha Motor Co Ltd Control device and control method for engine and straddle type vehicle

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