JPS5525517A - Ignition device for internal combustion engine - Google Patents

Ignition device for internal combustion engine

Info

Publication number
JPS5525517A
JPS5525517A JP9722678A JP9722678A JPS5525517A JP S5525517 A JPS5525517 A JP S5525517A JP 9722678 A JP9722678 A JP 9722678A JP 9722678 A JP9722678 A JP 9722678A JP S5525517 A JPS5525517 A JP S5525517A
Authority
JP
Japan
Prior art keywords
discharge
polarity
aluminum
endurance
center electrode
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
JP9722678A
Other languages
Japanese (ja)
Inventor
Yukitsugu Fukumori
Masazumi Sone
Masanori Saito
Hiromitsu Nagae
Tsutomu Koriyama
Masami Shida
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
Nissan Motor Co Ltd
Original Assignee
Hitachi Ltd
Nissan 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 Hitachi Ltd, Nissan Motor Co Ltd filed Critical Hitachi Ltd
Priority to JP9722678A priority Critical patent/JPS5525517A/en
Publication of JPS5525517A publication Critical patent/JPS5525517A/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
    • F02P7/00—Arrangements of distributors, circuit-makers or -breakers, e.g. of distributor and circuit-breaker combinations or pick-up devices
    • F02P7/02—Arrangements of distributors, circuit-makers or -breakers, e.g. of distributor and circuit-breaker combinations or pick-up devices of distributors
    • F02P7/021—Mechanical distributors
    • F02P7/025—Mechanical distributors with noise suppression means specially adapted for the distributor

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)

Abstract

PURPOSE:To reduce noise electromagnetic wave emitted from internal combustion engine to improve endurance and ignition performance by the efficient use of material liable to discharge. CONSTITUTION:While electrodes 9, 10, 11, 12 at the fixed side of distributor section 7 are made of material such as aluminum liable to discharge, an ignition coil is connected such that central electrodes 13, 14, 15, 16 of spark plug have (+) polarity. Thus, the number of discharge at discharging material like aluminum with low endurance will be reduced to 1/(number of cylinders), i.e. 1/6 in 6 cylinders, to improve substantially endurance of material, compared with the case that aluminum is employed for rotary electrode 8 side. Also a spark plug having side electrodes 24, 25 opposed to the side of center electrode 21 is used to give (+) polarity to the center electrode 21. Hence required discharge voltage becomes lower than that in the center electrode 21 of (-) polarity to reduce noise electromagnetic wave and improve ignition property.
JP9722678A 1978-08-11 1978-08-11 Ignition device for internal combustion engine Pending JPS5525517A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9722678A JPS5525517A (en) 1978-08-11 1978-08-11 Ignition device for internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9722678A JPS5525517A (en) 1978-08-11 1978-08-11 Ignition device for internal combustion engine

Publications (1)

Publication Number Publication Date
JPS5525517A true JPS5525517A (en) 1980-02-23

Family

ID=14186708

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9722678A Pending JPS5525517A (en) 1978-08-11 1978-08-11 Ignition device for internal combustion engine

Country Status (1)

Country Link
JP (1) JPS5525517A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS512847A (en) * 1974-06-25 1976-01-10 Toyota Motor Co Ltd Nainenkikanno zatsuondenpayokushohaidenki
JPS5247149A (en) * 1975-10-11 1977-04-14 Hitachi Kazou Kk Spark plug

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS512847A (en) * 1974-06-25 1976-01-10 Toyota Motor Co Ltd Nainenkikanno zatsuondenpayokushohaidenki
JPS5247149A (en) * 1975-10-11 1977-04-14 Hitachi Kazou Kk Spark plug

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