JPH0347475A - Ignition coil - Google Patents
Ignition coilInfo
- Publication number
- JPH0347475A JPH0347475A JP1182779A JP18277989A JPH0347475A JP H0347475 A JPH0347475 A JP H0347475A JP 1182779 A JP1182779 A JP 1182779A JP 18277989 A JP18277989 A JP 18277989A JP H0347475 A JPH0347475 A JP H0347475A
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- high voltage
- coil spring
- spring
- 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.)
- Granted
Links
- 230000007423 decrease Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野コ
本発明は、内燃機関の点火栓に直接装着される点火コイ
ルに関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an ignition coil that is directly attached to an ignition plug of an internal combustion engine.
［従来の技術］
上記のように、点火コイルを直接点火栓に装着する場合
、点火栓の頭部端子の種類に応じて、点火コイルの高圧
端子と点火栓の頭部端子との接続構造が異なる。[Prior Art] As mentioned above, when attaching the ignition coil directly to the ignition hydrant, the connection structure between the high voltage terminal of the ignition coil and the head terminal of the ignition hydrant depends on the type of the head terminal of the ignition hydrant. different.
点火栓の頭部端子としては、頭部外径φ６．４のギボシ
型頭部端子（以下ギボシ端子と略す）とＭ４ネジ型頭部
端子（以下Ｍ４端子と略す）の２種類がある。There are two types of head terminals for spark plugs: bullet type head terminals (hereinafter abbreviated as bullet terminals) with a head outer diameter of φ6.4 and M4 screw type head terminals (hereinafter abbreviated as M4 terminals).
例えば、ギボシ端子を使用した点火栓と点火コイルとの
接続構造は、第４図に示すように、点火コイル１００の
高圧タワー１０１内に、二次コイルに接続されたカップ
状の高圧端子１０２を埋設し、その高圧端子１０２内に
、点火栓２００のギボシ端子２０１を挿入することで、
高圧端子１０２とギボシ端子２０１との電気的接続を行
うものである。For example, a connection structure between an ignition plug and an ignition coil using a bullet terminal includes a cup-shaped high voltage terminal 102 connected to a secondary coil inside a high voltage tower 101 of an ignition coil 100, as shown in FIG. By burying the spark plug 200 and inserting the bullet terminal 201 of the spark plug 200 into the high voltage terminal 102,
The high voltage terminal 102 and the bullet terminal 201 are electrically connected to each other.
あるいは、第５図に示すように、組付は時の寸法公差を
吸収して安定した電気的接続を得るフ、こめに、高圧端
子１０２とギボシ端子２０１との間に導電性のコイルス
プリング３００を配設した接続構造がある。Alternatively, as shown in FIG. 5, when assembling, a conductive coil spring 300 is inserted between the high voltage terminal 102 and the bullet terminal 201 to absorb the dimensional tolerance and obtain a stable electrical connection. There is a connection structure with .
一方、Ｍ４端子２０２を使用した点火栓２００と点火コ
イル１００との接続構造は、第６図に示すように、鼓型
を呈するコイルスプリング３００の内周部にＭ４端子２
０２を挿入し、Ｍ４端子２０２の外周部とコイルスプリ
ング３００の内径部とを接触させることで、高圧端子１
０２とＭ４端子２０２との電気的接続を行うものである
。On the other hand, the connection structure between the ignition plug 200 and the ignition coil 100 using the M4 terminal 202 is as shown in FIG.
02 and bring the outer circumference of the M4 terminal 202 into contact with the inner diameter of the coil spring 300.
02 and the M4 terminal 202 are electrically connected.
［発明が解決しようとする課題］
しかるに、上述のように、ギボシ端子２０１とＭ４端子
２０２とでは、点火コイル１００の高圧端子１０２どの
接続構造が異なるため、ギボシ端子２０１とＭ４端子２
０２との両用は不可能である。[Problems to be Solved by the Invention] However, as described above, the connection structure of the high voltage terminal 102 of the ignition coil 100 is different between the bullet terminal 201 and the M4 terminal 202.
It is not possible to use both with 02.
すなわち、Ｍ４端子２０２を、例えば第４図に示したギ
ボシ端子２０１用の接続構造に適用した場合には、ギボ
シ端子２０１よりＭ４端子２０２のほうが頭部外径が小
さいため（ギボシ端了２０１：φ６４、Ｍ４端子２０２
：φ４）、カップ状の高圧端子１０２どＭ４端子２０２
の外周との間に空間が生じ、その空間で火花放電が発生
ずる。その結果、有害な電波雑音の発生や、放電による
頭部端子の摩耗などの不具合が生じる。That is, when the M4 terminal 202 is applied to the connection structure for the bullet terminal 201 shown in FIG. φ64, M4 terminal 202
:φ4), cup-shaped high voltage terminal 102, M4 terminal 202
A space is created between the outer periphery of the spark and a spark discharge occurs in that space. As a result, problems such as generation of harmful radio noise and wear of the head terminal due to discharge occur.
また、Ｍ４端子２０２を、第５ｔ１７１に示したギボシ
端子２０１用の接続構造に適用した場合には、Ｍ４端子
２０２とコイルスプリング３００とが、両者の芯ずれや
偏心を伴って接続されることで、Ｍ４端子２０２が、コ
イルスプリング３００の内径部や、コイルスプリング３
００と高圧タワー１０１との間隙に入り込む可能性があ
る。従って、Ｍ４端子２０２とコイルスプリング３００
との接触が不安定になる。Furthermore, when the M4 terminal 202 is applied to the connection structure for the bullet terminal 201 shown in No. 5t171, the M4 terminal 202 and the coil spring 300 may be connected with misalignment or eccentricity between the two. , the M4 terminal 202 is connected to the inner diameter part of the coil spring 300 or the coil spring 3.
00 and the high pressure tower 101. Therefore, the M4 terminal 202 and the coil spring 300
Contact becomes unstable.
一方、ギボシ端子２０１を、第６図に示したＭ４端子２
０２用の接続構造に適用した場合には、鼓型を呈するコ
イルスプリング３００の内径がギボシ端子２０１と適合
ぜず、無理矢理挿入した場合には、コイルスプリング３
００を押し潰して変形させてしまう。On the other hand, connect the bullet terminal 201 to the M4 terminal 2 shown in FIG.
When applied to the connection structure for 02, the inner diameter of the drum-shaped coil spring 300 does not match the bullet terminal 201, and if it is forcibly inserted, the coil spring 3
00 is crushed and transformed.
そこで、第７図に示すように、コイルスプリング３００
の端部に導電性の接触子（カーボン、アルミニウムなど
）４００を取り付け、この接触子４００の端面に、ギボ
シ端子２０１あるいはＭ４端子２０２の端面を接触させ
ることで安定した接触を得るとともに、ギボシ端子２０
１とＭ４端子２０２の両用を可能とする接続構造がある
。Therefore, as shown in FIG.
A conductive contact (carbon, aluminum, etc.) 400 is attached to the end of the contactor 400, and by contacting the end surface of the bullet terminal 201 or the M4 terminal 202, stable contact can be obtained, and the bullet terminal 20
There is a connection structure that allows both the 1 and M4 terminals 202 to be used.
ところが、この場合、接触子４００の追加によりコスト
アップとなる。また、スプリング系の重量が増加するこ
とで、スプリング系の固有振動数が低下して耐振性の低
下を招く。つまり、スプリング系が加震源であるエンジ
ンの振動周波数と共振すると、接触各部の機械的摩耗や
、接触子４００の飛びはねによる接触不良が起き、この
ような状態で使用されると、火花放電を発生することに
なる。However, in this case, the cost increases due to the addition of the contactor 400. Furthermore, as the weight of the spring system increases, the natural frequency of the spring system decreases, leading to a decrease in vibration resistance. In other words, when the spring system resonates with the vibration frequency of the engine, which is the source of vibration, mechanical abrasion of the various contact parts and contact failure due to the contact 400 flying off may occur, and if used under such conditions, spark discharge may occur. will occur.
従って、この火花放電による電波雑音の発生や、頭部端
子の摩耗などの不具合を生じる。Therefore, this spark discharge causes problems such as generation of radio wave noise and wear of the head terminal.
本発明は、上記事情に基づいてなされたもので、その目
的は、コストアップを伴うことなく、ギボシ端子とＭ４
端子との両用を可能にした点火コイルを提供することに
あるや
［課題を解決するための手段］
本発明は上記目的を達成するために、高電圧が印加され
る高圧端子を埋設するとともに、点火栓の頭部端子が挿
入される絶縁性の高圧タワー内に、前記頭部端子と前記
高圧端子とを電気的に接続させる導電性のコイルスプリ
ングを配設した点火コイルにおいて、
前記コイルスプリングは、前記頭部端子側端部における
径方向の平面内で、前記コイルスプリングの外周と前記
高圧タワーの内周面あるいは前記高圧端子の内周面との
間隙が４ｍｍより小さく設けられるとともに、前記頭部
端子側の端部が、前記平面内で渦巻き状あるいは屈曲し
て形成されて、前記平面内における前記コイルスプリン
グの素線間の間隔が４ｍｍより小さ（設けられたことを
技術的手段とする。The present invention has been made based on the above-mentioned circumstances, and an object thereof is to connect bullet terminals and M4 without increasing costs.
An object of the present invention is to provide an ignition coil that can be used for both purposes as a terminal. [Means for Solving the Problems] In order to achieve the above object, the present invention embeds a high-voltage terminal to which a high voltage is applied, and An ignition coil in which a conductive coil spring for electrically connecting the head terminal and the high voltage terminal is disposed in an insulating high voltage tower into which the head terminal of the ignition plug is inserted, the coil spring being , a gap between the outer circumference of the coil spring and the inner circumferential surface of the high voltage tower or the inner circumferential surface of the high voltage terminal is provided to be smaller than 4 mm in a radial plane at the end on the head terminal side; The end of the coil spring on the terminal side is spirally or bent in the plane, and the distance between the strands of the coil spring in the plane is smaller than 4 mm (providing this is considered a technical means). .
し作用および発明の効果］
上記構成よりなる本発明の点火コイルは、コイルスプリ
ングの頭部端子側端部における平面内で、コイルスプリ
ングの外周と、高圧タワーの内周面あるいは高圧端子の
内周面との間隙が４ｍｍより小さく設けられている。Function and Effects of the Invention] The ignition coil of the present invention having the above-described configuration has the outer periphery of the coil spring and the inner periphery of the high voltage tower or the inner periphery of the high voltage terminal within a plane at the head terminal side end of the coil spring. The gap with the surface is set to be smaller than 4 mm.
また、コイルスプリングの頭部端子側の端部が、渦巻き
状あるいは屈曲して形成されて、前記平面内におけるコ
イルスプリングの素線間の間隔が４ｍｍより小さく設け
られている。Further, the end portion of the coil spring on the head terminal side is formed in a spiral shape or bent, and the interval between the strands of the coil spring in the plane is set to be smaller than 4 mm.
従って、コイルスプリングの頭部端子側端部における平
面内では、Ｍ４ネジ型頭部端子の外径より大きな隙間が
なくなる。その結果、Ｍ４ネジ型頭部端子を使用した点
火栓に、本発明の点火コイルを適用した場合でも、従来
の接触子を用いることなく、Ｍ４ネジ型頭部端子とコイ
ルスプリングとの安定した接触を得ることができる。こ
れにより、本発明の点火コイルは、コストアップを伴う
ことなく、Ｍ４ネジ型頭部端子と、Ｍ４ネジ型頭部端子
より頭部外径の大きいギボシ型頭部端子との両用が可能
となる。Therefore, within the plane at the head terminal side end of the coil spring, there is no gap larger than the outer diameter of the M4 screw type head terminal. As a result, even when the ignition coil of the present invention is applied to an ignition plug using an M4 screw type head terminal, stable contact between the M4 screw type head terminal and the coil spring can be achieved without using a conventional contactor. can be obtained. As a result, the ignition coil of the present invention can be used for both M4 screw type head terminals and bullet type head terminals having a larger head outer diameter than the M4 screw type head terminals, without increasing costs. .
［実施例］
次に、本発明の点火コイルを図面に示す一実施例に基づ
き攬明する。[Example] Next, the ignition coil of the present invention will be explained based on an example shown in the drawings.
第１図は点火コイルの要部断面図および点火栓の側面図
である。FIG. 1 is a sectional view of a main part of an ignition coil and a side view of a spark plug.
本実施例の点火コイル１は、シリンダヘッド（図示しな
い）に組み付けられた点火栓２に直接装着されるもので
、点火栓２の頭部側（第１図上側）に取り付けられたゴ
ム製の接続キャップ（図示しない）と、点火コイル１の
高圧タワー３とが嵌め合わされるように設けられている
。The ignition coil 1 of this embodiment is directly attached to the ignition plug 2 assembled to the cylinder head (not shown), and is made of rubber and attached to the head side (upper side in Figure 1) of the ignition plug 2. A connection cap (not shown) and a high voltage tower 3 of the ignition coil 1 are provided to fit together.
樹脂製の高圧タワー３には、図示しない二次コイルより
高電圧が印加される高圧端子４が埋設されている。A high voltage terminal 4 to which a high voltage is applied from a secondary coil (not shown) is embedded in the high voltage tower 3 made of resin.
高圧端子４は、点火栓２側（第１図下側）が筒状に形成
されており、高圧タワー３を接続キャップに嵌め合わせ
た際に、その高圧端子４の筒部４ａ内に点火栓２の頭部
端子（Ｍ４ネジ型頭部端子）５が挿入されるように、筒
部４ａの先端が高圧タワー３の端面近くまで設けられて
いる。The high voltage terminal 4 has a cylindrical shape on the spark plug 2 side (lower side in Figure 1), and when the high voltage tower 3 is fitted into the connection cap, the spark plug is inserted into the cylindrical portion 4a of the high voltage terminal 4. The tip of the cylindrical portion 4a is provided close to the end surface of the high voltage tower 3 so that the second head terminal (M4 screw type head terminal) 5 can be inserted.
これにより、頭部端子５の外周が高圧端子４の内壁によ
って囲まれるため、高圧端子４と頭部端子５との間で火
花放電が生じた場合でも、高圧タワー３の内壁面を伝わ
る沿面放電を防止して、樹脂で形成された高圧タワー３
の内壁面の溶損を防ぐことができる。As a result, since the outer periphery of the head terminal 5 is surrounded by the inner wall of the high voltage terminal 4, even if spark discharge occurs between the high voltage terminal 4 and the head terminal 5, creeping discharge that propagates along the inner wall surface of the high voltage tower 3 The high pressure tower 3 made of resin prevents
It is possible to prevent erosion of the inner wall surface.
高圧端子４の筒部４ａ内には、高圧端子４と、筒部４ａ
内に挿入される頭部端子５との電気的接続を行うための
導電性のコイルスプリング６が配設されている。Inside the cylindrical portion 4a of the high voltage terminal 4, there are the high voltage terminal 4 and the cylindrical portion 4a.
A conductive coil spring 6 is provided for electrical connection with the head terminal 5 inserted therein.
従って、点火コイル１の高圧タワー３を点火栓２の接続
キャップに嵌め合わせた際に、点火栓２の頭部端子５は
、コイルスプリング６を押し縮めた状態で高圧端子４の
筒部４ａ内に挿入される。Therefore, when the high-voltage tower 3 of the ignition coil 1 is fitted into the connection cap of the ignition plug 2, the head terminal 5 of the ignition plug 2 is inserted into the cylindrical portion 4a of the high-voltage terminal 4 with the coil spring 6 compressed. inserted into.
コイルスプリング６は、底部側（第１図上側）端部のコ
イル径が若干大きく形成されており、その底部側より筒
部４ａ内に挿入して、先端側から押圧することにより、
コイル径の大きい底部側端部が、筒部４ａ内底部に形成
された径大部４ｂに係止されて筒部４ａ内に組み付けら
れる。このとき、コイルスプリング６を、巻き方向とは
逆に回転させながら挿入することで、筒部４ａ内への組
み付けを容易に行うことができる。The coil spring 6 has a slightly larger coil diameter at the bottom end (upper side in FIG. 1), and is inserted into the cylindrical portion 4a from the bottom side and pressed from the tip side.
The bottom side end portion of the coil having a large diameter is engaged with a large diameter portion 4b formed at the inner bottom of the cylindrical portion 4a, and is assembled into the cylindrical portion 4a. At this time, by inserting the coil spring 6 while rotating it in the opposite direction to the winding direction, it can be easily assembled into the cylindrical portion 4a.
このコイルスプリング６の先端側端部は、第２図に示す
ように、内周に向かって渦巻き状に形成されて、頭部端
子５との接触面として構成されている。As shown in FIG. 2, the tip end of the coil spring 6 is formed in a spiral shape toward the inner periphery, and is configured as a contact surface with the head terminal 5.
その渦巻き状部分を形成するコイルスプリング６の素線
間の間隔は４ｍｍより小さく設けられている。また、こ
のコイルスプリング６は、渦巻き状部分を含む平面内で
のコイスルプリング６の外周と筒部４ａの内周面との間
隙が４ｍｍより小さくなるようなコイル径に形成されて
いる。The interval between the wires of the coil spring 6 forming the spiral portion is set to be smaller than 4 mm. Further, the coil spring 6 is formed to have a coil diameter such that the gap between the outer circumference of the coil spring 6 and the inner circumferential surface of the cylindrical portion 4a in a plane including the spiral portion is smaller than 4 mm.
これにより、上述した点火コイル１は、コイルスプリン
グ６の先端側端部である渦巻き状部分を含む平面内で、
Ｍ４ネジ型頭部端子５の外径より大きな隙間をなくすこ
とができる。このため、高圧タワー３を接続キャップに
嵌め合わせて点火コイル１を点火栓２に装着した際に、
点火栓２の頭部端子５は、コイスルプリング６の外周と
筒部４ａの内周面との間隙に入り込んだり、コイルスプ
リング６の内周部分に挿入されたりするようなことがな
く、コイルスプリング６の渦巻き状部分を押圧して、コ
イルスプリング６との安定した接触を確保することがで
きる。As a result, the above-mentioned ignition coil 1 can be configured to
A gap larger than the outer diameter of the M4 screw type head terminal 5 can be eliminated. Therefore, when the high voltage tower 3 is fitted into the connection cap and the ignition coil 1 is attached to the ignition plug 2,
The head terminal 5 of the ignition plug 2 does not enter the gap between the outer periphery of the coil spring 6 and the inner periphery of the cylindrical portion 4a or is inserted into the inner periphery of the coil spring 6. The spiral portion of the spring 6 can be pressed to ensure stable contact with the coil spring 6.
従って、本実施例の点火コイル１は、従来のような導電
性の接触子を用いることなく（コストアップを伴うこと
なく）、Ｍ４ネジ型頭部端子５より頭部外径の大きいギ
ボシ型頭部端子を使用した点火栓にも適用することがで
きる。Therefore, the ignition coil 1 of this embodiment does not use a conventional conductive contactor (without increasing costs), and has a bullet-shaped head having a larger outer diameter than the M4 screw-type head terminal 5. It can also be applied to spark plugs using external terminals.
なお、高圧タワー３の内壁面を伝わる沿面放電を防止す
るために、高圧端子４の筒部４ａ先端を高圧タワー３の
端面近くまで設けた例を示したが、筒部の深さが浅く形
成された点火コイル（第４図ないし第７図参照）の場合
には、コイルスプリング６の渦巻き状部分を含む平面内
で、コイスルプリング６の外周と高圧タワー３の内周面
との間隙を４ｍｍより小さく設ける必要がある。In addition, in order to prevent creeping discharge transmitted through the inner wall surface of the high-voltage tower 3, an example was shown in which the tip of the cylindrical portion 4a of the high-voltage terminal 4 was provided close to the end surface of the high-voltage tower 3; however, the cylindrical portion may be formed with a shallow depth. In the case of an ignition coil (see FIGS. 4 to 7), the gap between the outer circumference of the coil spring 6 and the inner circumferential surface of the high-pressure tower 3 is set in a plane that includes the spiral portion of the coil spring 6. It is necessary to provide the diameter smaller than 4 mm.
（変形例）
上記の実施例では、コイルスプリング６の先端側端部を
渦巻き状に形成したが、第３図に示すように、蛇行状に
屈曲形成してもよい、なお、この変形例の場合でも、蛇
行状に屈曲形成されたコイルスプリング６の素線間の間
隔は４ｍｍより小さく設けられている。(Modification) In the above embodiment, the tip end of the coil spring 6 is formed in a spiral shape, but it may also be bent in a meandering shape as shown in FIG. Even in this case, the distance between the wires of the coil spring 6 bent in a meandering manner is set to be smaller than 4 mm.
第１図は点火コイルの要部断面図および点火栓の側面図
、第２図はコイルスプリングの先端側平面図（第１図Ａ
視図）、第３図はコイスルリングの変形例を示す先端側
平面図、第４図ないし第７図は従来技術を説明するもの
で、点火コイルと点火栓との接続構造を示す図である。
図中
１・・・点火コイル ２・・・点火栓３・・
・高圧タワー ４・・・高圧端子５・・・
Ｍ４ネジ型頭部端子
６・・・コイルスプリングFigure 1 is a sectional view of the main parts of the ignition coil and a side view of the ignition plug, and Figure 2 is a top view of the tip side of the coil spring (Figure 1A
Fig. 3 is a front end side plan view showing a modified example of the coil ring, and Figs. 4 to 7 illustrate the prior art and show the connection structure between the ignition coil and the ignition plug. In the diagram 1...Ignition coil 2...Ignition plug 3...
・High voltage tower 4...High voltage terminal 5...
M4 screw type head terminal 6...Coil spring
Claims (1)
点火栓の頭部端子が挿入される絶縁性の高圧タワー内に
、前記頭部端子と前記高圧端子とを電気的に接続させる
導電性のコイルスプリングを配設した点火コイルにおい
て、 前記コイルスプリングは、前記頭部端子側端部における
径方向の平面内で、前記コイルスプリングの外周と前記
高圧タワーの内周面あるいは前記高圧端子の内周面との
間隙が４ｍｍより小さく設けられるとともに、前記頭部
端子側の端部が、前記平面内で渦巻き状あるいは屈曲し
て形成されて、前記平面内における前記コイルスプリン
グの素線間の間隔が４ｍｍより小さく設けられたことを
特徴とする点火コイル。[Claims] 1) burying a high voltage terminal to which a high voltage is applied;
An ignition coil in which a conductive coil spring for electrically connecting the head terminal and the high voltage terminal is disposed in an insulating high voltage tower into which the head terminal of the ignition plug is inserted, the coil spring being , a gap between the outer circumference of the coil spring and the inner circumferential surface of the high voltage tower or the inner circumferential surface of the high voltage terminal is provided to be smaller than 4 mm in a radial plane at the end on the head terminal side; An ignition coil characterized in that an end portion on a terminal side is spirally or bent in the plane, and a distance between the strands of the coil spring in the plane is smaller than 4 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1182779A JPH0635868B2 (en) | 1989-07-14 | 1989-07-14 | Ignition coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1182779A JPH0635868B2 (en) | 1989-07-14 | 1989-07-14 | Ignition coil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0347475A true JPH0347475A (en) | 1991-02-28 |
| JPH0635868B2 JPH0635868B2 (en) | 1994-05-11 |
Family
ID=16124272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1182779A Expired - Lifetime JPH0635868B2 (en) | 1989-07-14 | 1989-07-14 | Ignition coil |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0635868B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5340323A (en) * | 1992-01-29 | 1994-08-23 | Sumitomo Wiring Systems, Ltd. | Coil spring engagement construction of a high tension terminal in an engine ignition apparatus |
| EP0621666A2 (en) * | 1993-04-23 | 1994-10-26 | Sumitomo Wiring Systems, Ltd. | Construction for retaining coiled spring of high-voltage terminal in engine ignition system |
| KR100560758B1 (en) * | 2001-12-10 | 2006-03-13 | 한국델파이주식회사 | Ignition coil for vehicle |
| JP2008166582A (en) * | 2006-12-28 | 2008-07-17 | Diamond Electric Mfg Co Ltd | Ignition coil for internal combustion engine |
| WO2018065184A1 (en) * | 2016-10-05 | 2018-04-12 | Bayerische Motoren Werke Aktiengesellschaft | Ignition apparatus comprising a spring for electrically connecting a spark plug |
-
1989
- 1989-07-14 JP JP1182779A patent/JPH0635868B2/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5340323A (en) * | 1992-01-29 | 1994-08-23 | Sumitomo Wiring Systems, Ltd. | Coil spring engagement construction of a high tension terminal in an engine ignition apparatus |
| EP0621666A2 (en) * | 1993-04-23 | 1994-10-26 | Sumitomo Wiring Systems, Ltd. | Construction for retaining coiled spring of high-voltage terminal in engine ignition system |
| EP0621666A3 (en) * | 1993-04-23 | 1995-04-12 | Sumitomo Wiring Systems | Construction for retaining coiled spring of high-voltage terminal in engine ignition system. |
| US5421736A (en) * | 1993-04-23 | 1995-06-06 | Sumitomo Wiring Systems, Ltd. | Construction for retaining coiled spring of high-voltage terminal in engine ignition system |
| KR100560758B1 (en) * | 2001-12-10 | 2006-03-13 | 한국델파이주식회사 | Ignition coil for vehicle |
| JP2008166582A (en) * | 2006-12-28 | 2008-07-17 | Diamond Electric Mfg Co Ltd | Ignition coil for internal combustion engine |
| WO2018065184A1 (en) * | 2016-10-05 | 2018-04-12 | Bayerische Motoren Werke Aktiengesellschaft | Ignition apparatus comprising a spring for electrically connecting a spark plug |
| CN109790812A (en) * | 2016-10-05 | 2019-05-21 | 宝马股份公司 | Igniter with the spring for being electrically connected spark plug |
| US10907605B2 (en) | 2016-10-05 | 2021-02-02 | Bayerische Motoren Werke Aktiengesellschaft | Ignition apparatus having a spring for electrically connecting a spark plug |
| CN109790812B (en) * | 2016-10-05 | 2021-08-17 | 宝马股份公司 | Ignition device with spring for electrically connecting spark plug |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0635868B2 (en) | 1994-05-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100468584C (en) | Ignition device for internal combustion engine | |
| US5371436A (en) | Combustion ignitor | |
| KR910017064A (en) | Ignition Coil for Internal Combustion Engines | |
| JP2012515419A (en) | Flexible igniter assembly for air / fuel mixing and method of construction | |
| JP3267097B2 (en) | Electrical connection member, internal combustion engine ignition device using electrical connection member, and method of manufacturing the same | |
| US7243643B2 (en) | Ignition device for internal combustion engine | |
| JP2780964B2 (en) | Assembly of coil and spark plug | |
| US7441553B2 (en) | Ignition coil, mounting structure, and method for mounting of the same | |
| US5332394A (en) | Electrical connector for connecting a voltage source to a spark plug terminal | |
| JPH0347475A (en) | Ignition coil | |
| JP2010182842A (en) | Ignition coil for internal combustion engine | |
| JP4683424B2 (en) | Ignition coil for internal combustion engine | |
| EP0987435A2 (en) | Spark plug ignition coil assembly for direct ignition system | |
| US7753038B2 (en) | Ignition coil | |
| WO2003071127A1 (en) | Engine spark plug grounding structure, grounding wiring apparatus, and grounding wiring method | |
| JP2002021695A (en) | Method for manufacturing ignition device for internal combustion engine | |
| JP2569743B2 (en) | Ignition coil plug cap | |
| JP2718237B2 (en) | Ignition coil for internal combustion engine | |
| JP3838138B2 (en) | Ignition device for internal combustion engine | |
| JP2002227755A (en) | Ignition coil for internal combustion engine | |
| JP3849617B2 (en) | Ignition device for internal combustion engine | |
| JP5173585B2 (en) | Ignition coil for internal combustion engine | |
| KR100491622B1 (en) | An ignition device for an internal combustion engine | |
| JPH05106543A (en) | Spark plug | |
| JP2023008033A (en) | Ignition plug |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090511 Year of fee payment: 15 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100511 Year of fee payment: 16 |
|
| EXPY | Cancellation because of completion of term | ||
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100511 Year of fee payment: 16 |