JPS5756666A - Plasma igniter - Google Patents

Plasma igniter

Info

Publication number
JPS5756666A
JPS5756666A JP12907180A JP12907180A JPS5756666A JP S5756666 A JPS5756666 A JP S5756666A JP 12907180 A JP12907180 A JP 12907180A JP 12907180 A JP12907180 A JP 12907180A JP S5756666 A JPS5756666 A JP S5756666A
Authority
JP
Japan
Prior art keywords
discharge
plasma
igniter
current
primary coil
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
JP12907180A
Other languages
Japanese (ja)
Inventor
Kyugo Hamai
Yasuhiko Nakagawa
Akiji Nakai
Ryusaburo Inoue
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.)
Nissan Motor Co Ltd
Original Assignee
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 Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Priority to JP12907180A priority Critical patent/JPS5756666A/en
Publication of JPS5756666A publication Critical patent/JPS5756666A/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
    • F02P9/007—Control of spark intensity, intensifying, lengthening, suppression by supplementary electrical discharge in the pre-ionised electrode interspace of the sparking plug, e.g. plasma jet ignition
    • 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
    • F02P7/03—Arrangements of distributors, circuit-makers or -breakers, e.g. of distributor and circuit-breaker combinations or pick-up devices of distributors with electrical means
    • F02P7/035—Arrangements of distributors, circuit-makers or -breakers, e.g. of distributor and circuit-breaker combinations or pick-up devices of distributors with electrical means without mechanical switching means

Abstract

PURPOSE:To get long durability of electrical parts of a plasma igniter for an internal combustion engine by arranging the plasma ignition in such that a part of discharge current is discharge to the primary coil side and the rest between the electrodes and an igniter. CONSTITUTION:A condenser 24 charged by a DC/DC converter 22 before the ignition timing starts discharge through a thyrister 27 by the pulse of a distribution control circuit 28. A part of this current flows through a primary coil 256 into a condenser 30 rapidly. A high secondary voltage is induced in a secondary coil 25 by this discharge current and discharged at an igniter 25. The spark at this discharge destroys isolation, then, plasma-atmosphere is produced. The rest current of high capacity flows through this atmosphere and plasma ignition is operated. In this way, a stairing diode is not necessary and the charged voltage can be set at a lower voltage in the primary coil.
JP12907180A 1980-09-19 1980-09-19 Plasma igniter Pending JPS5756666A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12907180A JPS5756666A (en) 1980-09-19 1980-09-19 Plasma igniter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12907180A JPS5756666A (en) 1980-09-19 1980-09-19 Plasma igniter

Publications (1)

Publication Number Publication Date
JPS5756666A true JPS5756666A (en) 1982-04-05

Family

ID=15000356

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12907180A Pending JPS5756666A (en) 1980-09-19 1980-09-19 Plasma igniter

Country Status (1)

Country Link
JP (1) JPS5756666A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62210262A (en) * 1986-01-07 1987-09-16 ル−カス　インダストリ−ズ　パブリツク　リミテイド　カンパニ− Pulse generation circuit and igniter using said circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62210262A (en) * 1986-01-07 1987-09-16 ル−カス　インダストリ−ズ　パブリツク　リミテイド　カンパニ− Pulse generation circuit and igniter using said circuit

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