JPS54106737A - Ignition timing device - Google Patents

Ignition timing device

Info

Publication number
JPS54106737A
JPS54106737A JP1438478A JP1438478A JPS54106737A JP S54106737 A JPS54106737 A JP S54106737A JP 1438478 A JP1438478 A JP 1438478A JP 1438478 A JP1438478 A JP 1438478A JP S54106737 A JPS54106737 A JP S54106737A
Authority
JP
Japan
Prior art keywords
idling
ignition time
circuit
idling ignition
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
JP1438478A
Other languages
Japanese (ja)
Inventor
Masato Eda
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.)
Yamaha Motor Co Ltd
Original Assignee
Yamaha Motor 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 Yamaha Motor Co Ltd filed Critical Yamaha Motor Co Ltd
Priority to JP1438478A priority Critical patent/JPS54106737A/en
Publication of JPS54106737A publication Critical patent/JPS54106737A/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
    • F02P5/155—Analogue data processing
    • 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 limit the quantity of emitted hydrocarbon below a predetermined value during the deceleration such as engine braking, by delaying the ignition time only in the idling. CONSTITUTION:A non-idling ignition time circuit 30A and an idling ignition time circuit 30B, which are selectively shifted for each other by a switching means 28, are provided in a primary circuit 30 of an ignition unit. An arm 16 and a detection circuit 22 serve as a means for electrically detecting the state of non-idling or idling in connection with the opening or closing of a throttle valve 12. The idling ignition time circuit 30B and the non-idling ignition time circuit 30A are shifted for each other by the output of the detecting means to adjust the idling ignition time independently of the non-idling ignition time. Only the idling ignition time is delayed.
JP1438478A 1978-02-09 1978-02-09 Ignition timing device Pending JPS54106737A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1438478A JPS54106737A (en) 1978-02-09 1978-02-09 Ignition timing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1438478A JPS54106737A (en) 1978-02-09 1978-02-09 Ignition timing device

Publications (1)

Publication Number Publication Date
JPS54106737A true JPS54106737A (en) 1979-08-22

Family

ID=11859548

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1438478A Pending JPS54106737A (en) 1978-02-09 1978-02-09 Ignition timing device

Country Status (1)

Country Link
JP (1) JPS54106737A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4552109A (en) * 1982-12-30 1985-11-12 Regie Nationale Des Usines Renault Process for stabilizing the idle speed of an internal combustion engine with controlled ignition

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4552109A (en) * 1982-12-30 1985-11-12 Regie Nationale Des Usines Renault Process for stabilizing the idle speed of an internal combustion engine with controlled ignition

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