JPH05340333A - Ignition device for internal combustion engine - Google Patents

Ignition device for internal combustion engine

Info

Publication number
JPH05340333A
JPH05340333A JP4145696A JP14569692A JPH05340333A JP H05340333 A JPH05340333 A JP H05340333A JP 4145696 A JP4145696 A JP 4145696A JP 14569692 A JP14569692 A JP 14569692A JP H05340333 A JPH05340333 A JP H05340333A
Authority
JP
Japan
Prior art keywords
ignition
internal combustion
combustion engine
detection unit
ion current
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.)
Granted
Application number
JP4145696A
Other languages
Japanese (ja)
Other versions
JP2980774B2 (en
Inventor
Kazuya Hamada
和也 浜田
Shigemi Murata
滋身 村田
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP4145696A priority Critical patent/JP2980774B2/en
Priority to KR1019930009806A priority patent/KR970006966B1/en
Priority to US08/070,798 priority patent/US5377653A/en
Priority to DE4318657A priority patent/DE4318657C2/en
Publication of JPH05340333A publication Critical patent/JPH05340333A/en
Priority to US08/273,983 priority patent/US5437259A/en
Application granted granted Critical
Publication of JP2980774B2 publication Critical patent/JP2980774B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02PIGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P17/00Testing of ignition installations, e.g. in combination with adjusting; Testing of ignition timing in compression-ignition engines
    • F02P17/12Testing characteristics of the spark, ignition voltage or current
    • F02P2017/125Measuring ionisation of combustion gas, e.g. by using ignition circuits

Abstract

PURPOSE:To attain reduction of a number of part items and cost of manufacture and improvement of layout and reliability by additionally providing an ion current detecting unit in an ignition coil. CONSTITUTION:A primary bobbin 22 is provided by surrounding a core 23. A primary coil 24 is wound around the primary bobbin 22. A secondary bobbin 25 is provided in the periphery of the primary coil 24. A secondary coil 26 is wound around the secondary bobbin 25. A cover 27 can be inserted to and removed from a case 21. A hybrid IC 28 is stored in the cover 27. The hybrid IC 28 corresponds to an ion current detecting unit. By additionally providing this ion current detecting unit in an ignition coil, reduction of a number of part items and a cost of manufacture and improvement of layout and reliability can be attained.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】この発明は、気筒内の混合気の燃
焼で生じるイオン電流を検出するイオン電流検出ユニッ
トを備えた内燃機関用点火装置に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ignition device for an internal combustion engine equipped with an ion current detection unit for detecting an ion current generated by combustion of air-fuel mixture in a cylinder.

【0002】[0002]

【従来の技術】図7は従来知られている内燃機関用点火
装置の構成図であり、図において、1は一次巻線1a
と、二次巻線1bとを有する点火コイル、2は一次巻線
1aに接続され一次電流を断続するパワートランジス
タ、3は二次巻線1bの負極性側に接続された中心電極
3aと、中心電極3aの回転に伴い順次空隙を介して対
向する周辺電極3bとを有する配電器キャップ、4は周
辺電極3bに各々接続された点火プラグ、5は点火プラ
グ4に対して負極性のバイアス電圧を印加するバイアス
手段である電源、6は電源5に対して直列に接続されイ
オン電流を電圧に変換する抵抗、7は抵抗6に発生する
電圧を検出するための出力端子であり、抵抗6と共にイ
オン電流検出ユニット12を構成する。
2. Description of the Related Art FIG. 7 is a block diagram of a conventionally known ignition device for an internal combustion engine, in which 1 is a primary winding 1a.
An ignition coil having a secondary winding 1b, 2 is a power transistor connected to the primary winding 1a to interrupt the primary current, 3 is a center electrode 3a connected to the negative side of the secondary winding 1b, With the rotation of the central electrode 3a, a distributor cap having a peripheral electrode 3b facing each other in sequence through a gap, 4 is an ignition plug connected to each peripheral electrode 3b, and 5 is a bias voltage having a negative polarity with respect to the ignition plug A power source which is a bias means for applying a voltage, a resistor 6 connected in series to the power source 5 for converting an ionic current into a voltage, and an output terminal 7 for detecting a voltage generated in the resistor 6, together with the resistor 6. The ion current detection unit 12 is configured.

【0003】8は逆方向電流を阻止するダイオード、9
はダイオード8を含む信号取り出し用ダイオードアセン
ブリで、配電器キャップ3の外部に気筒数だけ準備され
る。10は上部に点火プラグ4が取り付けられたエンジ
ン、11はエンジン10の回転角を検出するシグナルジ
ェネレータ、13はシグナルジェネレータ11およびイ
オン電流検出ユニット12の出力が供給される点火時期
制御等のコンピュータユニットである。
Reference numeral 8 is a diode for blocking reverse current, 9
Is a signal extracting diode assembly including a diode 8 and is prepared outside the distributor cap 3 by the number of cylinders. Reference numeral 10 is an engine having an ignition plug 4 attached to the upper portion thereof, 11 is a signal generator for detecting a rotation angle of the engine 10, and 13 is a computer unit such as ignition timing control to which outputs of the signal generator 11 and the ion current detection unit 12 are supplied. Is.

【0004】次に、図7に示した従来の内燃機関用点火
装置の動作について説明する。パワートランジスタ2が
オフとなり、一次巻線1aの一次電流が遮断されると、
二次巻線1bに点火用高電圧が生じて中心電極3aに印
加される。中心電極3aに印加された点火用高電圧は空
隙を介して対向する周辺電極3bに伝搬され、さらに点
火プラグ4の電極間に放電が生じて混合気は着火、燃焼
される(電圧の伝搬経路は矢印aで示されている。)。
Next, the operation of the conventional internal combustion engine ignition device shown in FIG. 7 will be described. When the power transistor 2 is turned off and the primary current of the primary winding 1a is cut off,
A high voltage for ignition is generated in the secondary winding 1b and applied to the center electrode 3a. The ignition high voltage applied to the center electrode 3a is propagated to the opposing peripheral electrodes 3b via the air gap, and further discharge is generated between the electrodes of the spark plug 4 to ignite and burn the air-fuel mixture (voltage propagation path). Is indicated by arrow a).

【0005】このとき、混合気の燃焼に伴い電離作用が
生じ、イオンが発生する。ここで、点火プラグ4の電極
は前述の放電後においてイオン電流検出用の電極として
作用し、電源5の負極性バイアスによる陽イオンの移動
によってイオン電流が流れる。このイオン電流の発生に
より出力端7に生じる電圧を検出することで、混合気の
燃焼を確認することができる(電圧の伝搬経路は矢印b
で示される。)。
At this time, ionization occurs due to the combustion of the air-fuel mixture, and ions are generated. Here, the electrode of the spark plug 4 acts as an electrode for detecting an ion current after the above-mentioned discharge, and an ion current flows due to the movement of cations due to the negative bias of the power source 5. The combustion of the air-fuel mixture can be confirmed by detecting the voltage generated at the output end 7 due to the generation of the ionic current (the propagation path of the voltage is indicated by the arrow b).
Indicated by. ).

【0006】[0006]

【発明が解決しようとする課題】従来の内燃機関用点火
装置においては、例えばイオン電流検出ユニット12が
配電器キャップ3と別体になっているため、構成が複雑
でコストが高くなるとともに、イオン電流検出ユニット
12のスペースを確保しなければならず、最近の狭小な
エンジンルーム内ではレイアウトが困難であり、しかも
部品点数が多く信頼性が劣るという課題があった。この
発明は、上記のような課題を解決するためになされたも
ので、構成が簡単でコストも低減でき、レイアウト、信
頼性が向上する内燃機関用点火装置を得ることを目的と
する。
In the conventional ignition device for an internal combustion engine, since the ion current detection unit 12 is separate from the distributor cap 3, for example, the structure is complicated and the cost is high. A space for the current detection unit 12 must be secured, layout is difficult in a recent small engine room, and there is a problem that the number of parts is large and reliability is poor. The present invention has been made to solve the above problems, and an object of the present invention is to obtain an ignition device for an internal combustion engine, which has a simple configuration, can reduce the cost, and has improved layout and reliability.

【0007】[0007]

【課題を解決するための手段】この発明の請求項1に係
る内燃機関用点火装置は、イオン電流検出ユニットを点
火コイルに付設したものである。
The ignition device for an internal combustion engine according to claim 1 of the present invention has an ion current detection unit attached to an ignition coil.

【0008】この発明の請求項2に係る内燃機関用点火
装置は、イオン電流検出ユニットを配電器の配電器キャ
ップに内蔵したものである。
In the ignition device for an internal combustion engine according to claim 2 of the present invention, the ion current detection unit is built in the distributor cap of the distributor.

【0009】この発明の請求項3に係る内燃機関用点火
装置は、イオン電流検出ユニットを角度検出ユニットに
内蔵したものである。
In the ignition device for an internal combustion engine according to claim 3 of the present invention, the ion current detection unit is incorporated in the angle detection unit.

【0010】この発明の請求項4に係る内燃機関用点火
装置は、イオン電流検出ユニットを配電器のハウジング
に付設したものである。
In the ignition device for an internal combustion engine according to claim 4 of the present invention, the ion current detection unit is attached to the housing of the distributor.

【0011】[0011]

【作用】この発明においては、イオン電流検出ユニット
を一体化したことにより、全体はコンパクト化される。
In the present invention, the ion current detecting unit is integrated, so that the entire unit is made compact.

【0012】[0012]

【実施例】【Example】

実施例1.図1はこの発明の一実施例を示す構成図で、
図7と同一または相当部分は同一符号を付し、その説明
は省略する。図において、31は配電器キャップ、18
は配電器キャップ31に内蔵され一端が中心電極3aに
接続され他端が周辺電極3bに接続されたダイオードで
あるが、上記構成の内燃機関用点火装置の動作について
は従来のものと同様であり、その説明は省略する。
Example 1. FIG. 1 is a block diagram showing an embodiment of the present invention.
The same or corresponding parts as in FIG. 7 are designated by the same reference numerals, and the description thereof will be omitted. In the figure, 31 is a distributor cap, 18
Is a diode built in the distributor cap 31, one end of which is connected to the center electrode 3a and the other end of which is connected to the peripheral electrode 3b. The operation of the internal combustion engine ignition device having the above configuration is the same as that of the conventional one. , The description is omitted.

【0013】図2(a)は内燃機関用点火装置の点火コ
イル20を示す分解斜視図、図2(b)は図2(a)の
要部断面図であり、21はケース、22は鉄心23を囲
んで設けられた一次ボビン、24は一次ボビン22に巻
回された一次コイル、25は一次コイル24の外周に設
けられた二次ボビン、26は二次ボビン25に巻回され
た二次コイル、27はケース21に挿脱可能のカバー、
28はカバー27内に収納され従来のイオン電流検出ユ
ニット12に相当するハイブリッドIC(HIC)であ
る。
FIG. 2A is an exploded perspective view showing an ignition coil 20 of the ignition device for an internal combustion engine, FIG. 2B is a sectional view of a main part of FIG. 2A, 21 is a case, 22 is an iron core. A primary bobbin provided surrounding 23, a primary coil 24 wound around the primary bobbin 22, a secondary bobbin 25 provided on the outer circumference of the primary coil 24, and a secondary bobbin 25 wound around the secondary bobbin 25. Next coil, 27 is a cover that can be inserted into and removed from the case 21,
Reference numeral 28 denotes a hybrid IC (HIC) housed in the cover 27 and corresponding to the conventional ion current detection unit 12.

【0014】実施例2.図3(a)はこの発明の他の実
施例を示す点火コイル30の斜視図、図3(b)は図3
(a)の分解斜視図、図3(c)は図3(b)の要部断
面図であり、31はケース、32はケース31内に収納
された一次コイル、33は一次コイル32の外周に設け
られた二次コイル、34は鉄心、35はコネクタ、36
はコネクタ35に内蔵されたHICである。
Example 2. 3 (a) is a perspective view of an ignition coil 30 showing another embodiment of the present invention, and FIG. 3 (b) is shown in FIG.
3A is an exploded perspective view, and FIG. 3C is a cross-sectional view of a main part of FIG. 3B. 31 is a case, 32 is a primary coil housed in the case 31, 33 is an outer periphery of the primary coil 32. Secondary coil, 34 is an iron core, 35 is a connector, 36
Is a HIC built in the connector 35.

【0015】実施例3.図4(a)はこの発明のさらに
他の実施例を示す配電器キャップ40の分解斜視図、図
4(b)は図4(a)の要部断面図であり、41は周辺
電極、42はシールド板、43は配電器キャップ40に
内蔵されたHIC、44はHIC43を閉じるためのカ
バー、45はインサートである。
Example 3. 4 (a) is an exploded perspective view of a distributor cap 40 showing still another embodiment of the present invention, FIG. 4 (b) is a sectional view of an essential part of FIG. 4 (a), 41 is a peripheral electrode, and 42 is a peripheral electrode. Is a shield plate, 43 is an HIC built in the distributor cap 40, 44 is a cover for closing the HIC 43, and 45 is an insert.

【0016】実施例4.図5はこの発明のさらにまた他
の実施例を示す内燃機関用点火装置の角度検出ユニット
50の分解斜視図であり、51は内燃機関の回転軸(図
示せず)の回転角度位置を検出ための角度検出用HI
C、52は角度検出用HIC51を密閉するためのカバ
ー、53は角度検出ユニット50に内蔵されたイオン電
流検出用HIC、54はイオン電流検出用HIC53を
密閉するためのカバーである。
Example 4. FIG. 5 is an exploded perspective view of an angle detection unit 50 of an internal combustion engine ignition device according to still another embodiment of the present invention, in which 51 is used to detect a rotational angular position of a rotary shaft (not shown) of the internal combustion engine. HI for angle detection
C and 52 are covers for sealing the angle detection HIC 51, 53 is an ion current detection HIC built in the angle detection unit 50, and 54 is a cover for sealing the ion current detection HIC 53.

【0017】実施例5.図6はこの発明のさらに他の実
施例を示す内燃機関用点火装置の配電器60の分解斜視
図であり、61は配電器60のハウジング、62はハウ
ジング61に取り付けられイオン電流検出用HIC(図
示せず)に内蔵されたイオン電流検出ユニットである。
Embodiment 5. FIG. 6 is an exploded perspective view of a distributor 60 of an internal combustion engine ignition device according to still another embodiment of the present invention, in which 61 is a housing of the distributor 60, and 62 is an ion current detection HIC (which is attached to the housing 61). It is an ion current detection unit built in (not shown).

【0018】[0018]

【発明の効果】以上説明したように、この発明の請求項
1に係る内燃機関用点火装置によれば、イオン電流検出
ユニットを点火コイルに付設したことにより、またこの
発明の請求項2に係る内燃機関用点火装置によれば、イ
オン電流検出ユニットを配電器の配電器キャップに内蔵
したことにより、さらにこの発明の請求項3に係る内燃
機関用点火装置によれば、イオン電流検出ユニットを角
度検出ユニットに内蔵したことにより、さらにまたこの
発明の請求項4に係る内燃機関用点火装置によれば、イ
オン電流検出ユニットを配電器のハウジングに付設した
ことにより、従来別体であったイオン電流検出ユニット
が一体化され、部品点数の削減を図ることができ、構造
が簡単で製造コストが低減され、レイアウト、信頼性が
向上するという効果がある。
As described above, according to the ignition device for an internal combustion engine according to claim 1 of the present invention, the ion current detecting unit is attached to the ignition coil, and also according to claim 2 of the present invention. According to the ignition device for an internal combustion engine, the ion current detection unit is incorporated in the distributor cap of the distributor, and further, according to the ignition device for an internal combustion engine according to claim 3 of the present invention, the ion current detection unit is angled. According to the ignition device for an internal combustion engine according to claim 4 of the present invention, the ion current detection unit is attached to the housing of the distributor, so that the ion current is a separate body. Since the detection unit is integrated, the number of parts can be reduced, the structure is simple, the manufacturing cost is reduced, and the layout and reliability are improved. There is.

【図面の簡単な説明】[Brief description of drawings]

【図1】この発明の構成図である。FIG. 1 is a configuration diagram of the present invention.

【図2】この発明の請求項1の一実施例を示す図であ
る。
FIG. 2 is a diagram showing an embodiment of claim 1 of the present invention.

【図3】この発明の請求項1の他の実施例を示す図であ
る。
FIG. 3 is a diagram showing another embodiment of claim 1 of the present invention.

【図4】この発明の請求項2の一実施例を示す図であ
る。
FIG. 4 is a diagram showing an embodiment of claim 2 of the present invention.

【図5】この発明の請求項3の一実施例を示す分解斜視
図である。
FIG. 5 is an exploded perspective view showing an embodiment of claim 3 of the present invention.

【図6】この発明の請求項4の一実施例を示す分解斜視
図である。
FIG. 6 is an exploded perspective view showing an embodiment of claim 4 of the present invention.

【図7】従来の内燃機関用点火装置の一例を示す構成図
である。
FIG. 7 is a configuration diagram showing an example of a conventional ignition device for an internal combustion engine.

【符号の説明】[Explanation of symbols]

1 点火コイル 3a 中心電極 3b 周辺電極 4 点火プラグ 28 HIC(イオン電流検出ユニット) 36 HIC(イオン電流検出ユニット) 40 配電器キャップ 43 HIC 50 角度検出ユニット 53 イオン電流検出用HIC 60 配電器 61 ハウジング 1 Ignition coil 3a Central electrode 3b Peripheral electrode 4 Spark plug 28 HIC (ion current detection unit) 36 HIC (ion current detection unit) 40 Distributor cap 43 HIC 50 Angle detection unit 53 Ionic current detection HIC 60 Distributor 61 Housing

─────────────────────────────────────────────────────
─────────────────────────────────────────────────── ───

【手続補正書】[Procedure amendment]

【提出日】平成5年3月2日[Submission date] March 2, 1993

【手続補正1】[Procedure Amendment 1]

【補正対象書類名】明細書[Document name to be amended] Statement

【補正対象項目名】0002[Name of item to be corrected] 0002

【補正方法】変更[Correction method] Change

【補正内容】[Correction content]

【0002】[0002]

【従来の技術】図7は従来知られている内燃機関用点火
装置の構成図であり、図において、1は一次巻線1a
と、二次巻線1bとを有する点火コイル、2は一次巻線
1aに接続され一次電流を断続するパワートランジス
タ、3は二次巻線1bの負極性側に接続された中心電極
3aと、中心電極3aの回転に伴い順次空隙を介して対
向する周辺電極3bとを有する配電器キャップ、4は周
辺電極3bに各々接続された点火プラグ、5は点火プラ
グ4に対して正極性のバイアス電圧を印加するバイアス
手段である電源、6は電源5に対して直列に接続されイ
オン電流を電圧に変換する抵抗、7は抵抗6に発生する
電圧を検出するための出力端子であり、抵抗6と共にイ
オン電流検出ユニット12を構成する。
2. Description of the Related Art FIG. 7 is a block diagram of a conventionally known ignition device for an internal combustion engine, in which 1 is a primary winding 1a.
An ignition coil having a secondary winding 1b, 2 is a power transistor connected to the primary winding 1a to interrupt the primary current, 3 is a center electrode 3a connected to the negative side of the secondary winding 1b, With the rotation of the central electrode 3a, a distributor cap having a peripheral electrode 3b sequentially facing each other via a gap, 4 is an ignition plug connected to each peripheral electrode 3b, and 5 is a bias voltage having a positive polarity with respect to the ignition plug 4. A power source which is a biasing means for applying a voltage, a resistor 6 connected in series to the power source 5 for converting an ionic current into a voltage, and an output terminal 7 for detecting a voltage generated in the resistor 6, together with the resistor 6. The ion current detection unit 12 is configured.

【手続補正2】[Procedure Amendment 2]

【補正対象書類名】明細書[Document name to be amended] Statement

【補正対象項目名】0004[Correction target item name] 0004

【補正方法】変更[Correction method] Change

【補正内容】[Correction content]

【0004】次に、図7に示した従来の内燃機関用点火
装置の動作について説明する。パワートランジスタ2が
オフとなり、一次巻線1aの一次電流が遮断されると、
二次巻線1bに点火用高電圧が生じて中心電極3aに印
加される。中心電極3aに印加された点火用高電圧は空
隙を介して対向する周辺電極3bに伝搬され、さらに点
火プラグ4の電極間に放電が生じて混合気は着火、燃焼
される(電流の伝搬経路は矢印aで示されている。)。
Next, the operation of the conventional internal combustion engine ignition device shown in FIG. 7 will be described. When the power transistor 2 is turned off and the primary current of the primary winding 1a is cut off,
A high voltage for ignition is generated in the secondary winding 1b and applied to the center electrode 3a. The ignition high voltage applied to the center electrode 3a is propagated to the opposing peripheral electrodes 3b via the air gap, and further discharge is generated between the electrodes of the ignition plug 4 to ignite and burn the mixture (current propagation path). Is indicated by arrow a).

【手続補正3】[Procedure 3]

【補正対象書類名】明細書[Document name to be amended] Statement

【補正対象項目名】0005[Correction target item name] 0005

【補正方法】変更[Correction method] Change

【補正内容】[Correction content]

【0005】このとき、混合気の燃焼に伴い電離作用が
生じ、イオンが発生する。ここで、点火プラグ4の電極
は前述の放電後においてイオン電流検出用の電極として
作用し、電源5の正極性バイアスによる電子および陽イ
オンの移動によってイオン電流が流れる。このイオン電
流の発生により出力端7に生じる電圧を検出すること
で、混合気の燃焼を確認することができる(電流の伝搬
経路は矢印bで示される。)。
At this time, ionization occurs due to the combustion of the air-fuel mixture, and ions are generated. Here, the electrode of the spark plug 4 acts as an electrode for detecting an ion current after the above-mentioned discharge, and an ion current flows due to the movement of electrons and cations due to the positive bias of the power source 5. The combustion of the air-fuel mixture can be confirmed by detecting the voltage generated at the output end 7 due to the generation of this ionic current (the propagation path of the current is indicated by the arrow b).

【手続補正4】[Procedure amendment 4]

【補正対象書類名】明細書[Document name to be amended] Statement

【補正対象項目名】0011[Correction target item name] 0011

【補正方法】変更[Correction method] Change

【補正内容】[Correction content]

【0011】[0011]

【作用】この発明においては、イオン電流検出ユニット
を他部品と一体化したことにより、全体はコンパクト化
される。
In the present invention, the ion current detecting unit is integrated with other parts, so that the whole is made compact.

【手続補正5】[Procedure Amendment 5]

【補正対象書類名】図面[Document name to be corrected] Drawing

【補正対象項目名】図1[Name of item to be corrected] Figure 1

【補正方法】変更[Correction method] Change

【補正内容】[Correction content]

【図1】 [Figure 1]

【手続補正6】[Procedure Amendment 6]

【補正対象書類名】図面[Document name to be corrected] Drawing

【補正対象項目名】図3[Name of item to be corrected] Figure 3

【補正方法】変更[Correction method] Change

【補正内容】[Correction content]

【図3】 [Figure 3]

【手続補正7】[Procedure Amendment 7]

【補正対象書類名】図面[Document name to be corrected] Drawing

【補正対象項目名】図4[Name of item to be corrected] Fig. 4

【補正方法】変更[Correction method] Change

【補正内容】[Correction content]

【図4】 [Figure 4]

【手続補正8】[Procedure Amendment 8]

【補正対象書類名】図面[Document name to be corrected] Drawing

【補正対象項目名】図7[Name of item to be corrected] Figure 7

【補正方法】変更[Correction method] Change

【補正内容】[Correction content]

【図7】 [Figure 7]

Claims (4)

【特許請求の範囲】[Claims] 【請求項1】 点火コイルに接続された中心電極と、各
気筒の点火プラグに接続されるとともに前記中心電極と
選択的に接続される複数個の周辺電極とを有する配電器
と、 前記点火プラグの点火により前記気筒内の混合気が燃焼
するときに発生するイオン電流を検出するイオン電流検
出ユニットと、 を備えた内燃機関用点火装置において、 前記イオン電流検出ユニットを前記点火コイルに付設し
たことを特徴とする内燃機関用点火装置。
1. A power distributor having a center electrode connected to an ignition coil and a plurality of peripheral electrodes connected to an ignition plug of each cylinder and selectively connected to the center electrode, and the spark plug. In an ignition device for an internal combustion engine, comprising: an ionic current detection unit that detects an ionic current generated when the air-fuel mixture in the cylinder burns due to the ignition of, the ionic current detection unit is attached to the ignition coil. An ignition device for an internal combustion engine, comprising:
【請求項2】 点火コイルに接続された中心電極と、各
気筒の点火プラグに接続されるとともに前記中心電極と
選択的に接続される複数個の周辺電極とを有する配電器
と、 前記点火プラグの点火により前記気筒内の混合気が燃焼
するときに発生するイオン電流を検出するイオン電流検
出ユニットと、 を備えた内燃機関用点火装置において、 前記イオン電流検出ユニットを前記配電器の配電器キャ
ップに内蔵させたことを特徴とする内燃機関用点火装
置。
2. A power distributor having a center electrode connected to an ignition coil and a plurality of peripheral electrodes connected to an ignition plug of each cylinder and selectively connected to the center electrode, and the spark plug. Ion current detection unit for detecting an ion current generated when the air-fuel mixture in the cylinder is burned by ignition of the ignition device for an internal combustion engine, the ion current detection unit being a distributor cap of the distributor. An ignition device for an internal combustion engine, characterized in that the ignition device is built into the internal combustion engine.
【請求項3】 点火コイルに接続された中心電極と、各
気筒の点火プラグに接続されるとともに前記中心電極と
選択的に接続される複数個の周辺電極とを有する配電器
と、 前記点火プラグの点火により前記気筒内の混合気が燃焼
するときに発生するイオン電流を検出するイオン電流検
出ユニットと、 内燃機関の回転軸の回転角度位置を検出するための角度
検出ユニットと、 を備えた内燃機関用点火装置において、 前記イオン電流検出ユニットを前記角度検出ユニットに
内蔵したことを特徴とする内燃機関用点火装置。
3. A power distributor having a center electrode connected to an ignition coil and a plurality of peripheral electrodes connected to an ignition plug of each cylinder and selectively connected to the center electrode, and the spark plug. An internal combustion engine including an ion current detection unit for detecting an ion current generated when the air-fuel mixture in the cylinder is burned by ignition of, and an angle detection unit for detecting a rotational angular position of a rotation shaft of the internal combustion engine. An ignition device for an internal combustion engine, wherein the ion current detection unit is incorporated in the angle detection unit.
【請求項4】 点火コイルに接続された中心電極と、各
気筒の点火プラグに接続されるとともに前記中心電極と
選択的に接続される複数個の周辺電極とを有する配電器
と、 前記点火プラグの点火により前記気筒内の混合気が燃焼
するときに発生するイオン電流を検出するイオン電流検
出ユニットと、 を備えた内燃機関用点火装置において、 前記イオン電流検出ユニットを前記配電器のハウジング
に付設したことを特徴とする内燃機関用点火装置。
4. A power distributor having a center electrode connected to an ignition coil and a plurality of peripheral electrodes connected to an ignition plug of each cylinder and selectively connected to the center electrode, and the spark plug. In an ignition device for an internal combustion engine, comprising: an ionic current detection unit that detects an ionic current generated when the air-fuel mixture in the cylinder is combusted by ignition of the ignition device, the ionic current detection unit is attached to a housing of the distributor. An ignition device for an internal combustion engine, characterized in that
JP4145696A 1992-06-05 1992-06-05 Ignition device for internal combustion engine Expired - Fee Related JP2980774B2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP4145696A JP2980774B2 (en) 1992-06-05 1992-06-05 Ignition device for internal combustion engine
KR1019930009806A KR970006966B1 (en) 1992-06-05 1993-06-01 Ignition for internal combustion engine
US08/070,798 US5377653A (en) 1992-06-05 1993-06-03 Internal-combustion-engine ignition device
DE4318657A DE4318657C2 (en) 1992-06-05 1993-06-04 Distributor cap for an ignition device for an internal combustion engine
US08/273,983 US5437259A (en) 1992-06-05 1994-07-12 Internal-combustion-engine ignition device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4145696A JP2980774B2 (en) 1992-06-05 1992-06-05 Ignition device for internal combustion engine

Publications (2)

Publication Number Publication Date
JPH05340333A true JPH05340333A (en) 1993-12-21
JP2980774B2 JP2980774B2 (en) 1999-11-22

Family

ID=15390996

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4145696A Expired - Fee Related JP2980774B2 (en) 1992-06-05 1992-06-05 Ignition device for internal combustion engine

Country Status (1)

Country Link
JP (1) JP2980774B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2396187A (en) * 2002-11-01 2004-06-16 Visteon Global Tech Inc I.c. engine in-cylinder ionization detection system with ionization detection circuit and ignition coil driver circuit integrated into a single package

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2396187A (en) * 2002-11-01 2004-06-16 Visteon Global Tech Inc I.c. engine in-cylinder ionization detection system with ionization detection circuit and ignition coil driver circuit integrated into a single package
GB2396187B (en) * 2002-11-01 2005-03-23 Visteon Global Tech Inc A device for reducing the part count and package size of an in-cylinder ionization detection system
US7063079B2 (en) 2002-11-01 2006-06-20 Visteon Global Technologies, Inc. Device for reducing the part count and package size of an in-cylinder ionization detection system by integrating the ionization detection circuit and ignition coil driver into a single package

Also Published As

Publication number Publication date
JP2980774B2 (en) 1999-11-22

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