JPS5493732A - Ignition-timing controllr for internal combustion engine - Google Patents

Ignition-timing controllr for internal combustion engine

Info

Publication number
JPS5493732A
JPS5493732A JP16008177A JP16008177A JPS5493732A JP S5493732 A JPS5493732 A JP S5493732A JP 16008177 A JP16008177 A JP 16008177A JP 16008177 A JP16008177 A JP 16008177A JP S5493732 A JPS5493732 A JP S5493732A
Authority
JP
Japan
Prior art keywords
egr
negative pressure
angle
degree
operated
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
JP16008177A
Other languages
Japanese (ja)
Inventor
Hisashi Osano
Takuro Morozumi
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.)
Subaru Corp
Original Assignee
Fuji Heavy Industries 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 Fuji Heavy Industries Ltd filed Critical Fuji Heavy Industries Ltd
Priority to JP16008177A priority Critical patent/JPS5493732A/en
Publication of JPS5493732A publication Critical patent/JPS5493732A/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
    • F02P5/05—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 mechanical means
    • F02P5/10—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 mechanical means dependent on fluid pressure in engine, e.g. combustion-air pressure
    • F02P5/103—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 mechanical means dependent on fluid pressure in engine, e.g. combustion-air pressure dependent on the combustion-air pressure in engine

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust-Gas Circulating Devices (AREA)

Abstract

PURPOSE:To prevent a perfrmance, from being worsened, of output, drivability and fuel consumption, by making an increase of advance angle of the ignition timing as a quantity of EGR increases, with said increase raising a speed of combustion. CONSTITUTION:When a throttle valve is fully closed and in a slight degree of opening, an EGR valve 7, vacuum angle advancing device 16 and control valves 29, 36 are not operated with an operation of EGR not made, and an angle advancement of the ignition timing is also not operated. By an increase of the load, with the throttle valve made opening to above a prescribed degree of opening, a negative pressure, applied to a negative pressure chamber 10, goes lower with a quantity of EGR controlled to a small amount. On the other hand, though a degree of advanced angle is small, a suitable degree of advanced angle is provided corresponding to that condition because of a less quantity of EGR. When becoming a time of speed acceleration or high load operation, an exhaust pressure goes higher with the control valves 29, 36 working together. A negative pressure, applied to the negative pressure chamber 10, goes higher with a big quantity of EGR operated. And a negative pressure fed to a negative pressure chamber 18, an ignition angle is advanced in a bigger degree.
JP16008177A 1977-12-29 1977-12-29 Ignition-timing controllr for internal combustion engine Pending JPS5493732A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16008177A JPS5493732A (en) 1977-12-29 1977-12-29 Ignition-timing controllr for internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16008177A JPS5493732A (en) 1977-12-29 1977-12-29 Ignition-timing controllr for internal combustion engine

Publications (1)

Publication Number Publication Date
JPS5493732A true JPS5493732A (en) 1979-07-25

Family

ID=15707449

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16008177A Pending JPS5493732A (en) 1977-12-29 1977-12-29 Ignition-timing controllr for internal combustion engine

Country Status (1)

Country Link
JP (1) JPS5493732A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110778438A (en) * 2018-07-30 2020-02-11 丰田自动车株式会社 Ignition timing control apparatus and method for internal combustion engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110778438A (en) * 2018-07-30 2020-02-11 丰田自动车株式会社 Ignition timing control apparatus and method for internal combustion engine

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