JPS54117837A - Ignition timing controller for internal combustion engine - Google Patents

Ignition timing controller for internal combustion engine

Info

Publication number
JPS54117837A
JPS54117837A JP2485078A JP2485078A JPS54117837A JP S54117837 A JPS54117837 A JP S54117837A JP 2485078 A JP2485078 A JP 2485078A JP 2485078 A JP2485078 A JP 2485078A JP S54117837 A JPS54117837 A JP S54117837A
Authority
JP
Japan
Prior art keywords
negative pressure
engine
accelerating
valve
internal combustion
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
JP2485078A
Other languages
Japanese (ja)
Inventor
Shunzo Yamaguchi
Kenji Iwamoto
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.)
Soken Inc
Original Assignee
Nippon Soken Inc
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 Nippon Soken Inc filed Critical Nippon Soken Inc
Priority to JP2485078A priority Critical patent/JPS54117837A/en
Publication of JPS54117837A publication Critical patent/JPS54117837A/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
    • F02P5/06—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 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 smoothen the impact torque rise of an internal combustion engine by introducing positive pressure higher than atmospheric pressure only at a time preset immediately after accelerating the engine instead of an air intake negative pressure of the engine to abruptly delay the ignition timing. CONSTITUTION:Acceleration detecting means 8 for detecting the accelerating state of an engine 1 is connected to a computer 7 connected to an electromagetic three- way valve 5, and consists of a potentiometer interlocked with a throttle valve 22 for detecting the rotary motion of the valve 22. When the means 8 detects the abrupt accelerating time of the engine 1, it energizes the valve 5 during predetermined period (0.2 to 0.5 second) immediately after the acceleration to thereby communicate a positive pressure pipe 61 with an outlet side negative pressure pipe 44B. As a result, the exhausted positive pressure from an air pump 6 is instantaneously introduced into the negative pressure chamber 43 of a vacuum advancer 4 to reduce the negative pressure in the chamber 43 at a speed equal to the reduction of the air intake negative pressure at accelerating time.
JP2485078A 1978-03-03 1978-03-03 Ignition timing controller for internal combustion engine Pending JPS54117837A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2485078A JPS54117837A (en) 1978-03-03 1978-03-03 Ignition timing controller for internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2485078A JPS54117837A (en) 1978-03-03 1978-03-03 Ignition timing controller for internal combustion engine

Publications (1)

Publication Number Publication Date
JPS54117837A true JPS54117837A (en) 1979-09-12

Family

ID=12149681

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2485078A Pending JPS54117837A (en) 1978-03-03 1978-03-03 Ignition timing controller for internal combustion engine

Country Status (1)

Country Link
JP (1) JPS54117837A (en)

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