JPH0424669U - - Google Patents
Info
- Publication number
- JPH0424669U JPH0424669U JP6398490U JP6398490U JPH0424669U JP H0424669 U JPH0424669 U JP H0424669U JP 6398490 U JP6398490 U JP 6398490U JP 6398490 U JP6398490 U JP 6398490U JP H0424669 U JPH0424669 U JP H0424669U
- Authority
- JP
- Japan
- Prior art keywords
- iron core
- magnetic path
- coil
- open magnetic
- path iron
- 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
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 9
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 230000004907 flux Effects 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Ignition Installations For Internal Combustion Engines (AREA)
Description
第１図は本考案の点火コイルをエンジンに装着
した状態の断面図、第２図は１次コイルが右巻き
の時に鉄心に生じる磁束の説明図、第３図は第２
図の鉄心に対して永久磁石を配設する場合の説明
図、第４図は１次コイルが左巻きの時に鉄心に生
じる磁束の説明図、第５図は第４図の鉄心に対し
て永久磁石を配設する場合の説明図、第６図は鉄
心のＢＨ曲線図である。
図中、１は１次コイル、２は２次コイル、３は
開磁路鉄心、４は高圧端子、５は筒状の樹脂ケー
ス、６はエンジン、６′はそのプラグホール、７
は絶縁樹脂層、８はブツシング、９は点火栓、１
０はその頭部端子、１１は永久磁石を示す。
Figure 1 is a cross-sectional view of the ignition coil of the present invention installed in an engine, Figure 2 is an explanatory diagram of the magnetic flux generated in the iron core when the primary coil is right-handed, and Figure 3 is a cross-sectional view of the ignition coil of the present invention installed in the engine.
An explanatory diagram when a permanent magnet is arranged for the iron core in the figure, Figure 4 is an explanatory diagram of the magnetic flux generated in the iron core when the primary coil is left-handed, and Figure 5 is an illustration of the permanent magnet for the iron core in Figure 4. FIG. 6 is a diagram showing the BH curve of the iron core. In the figure, 1 is the primary coil, 2 is the secondary coil, 3 is the open magnetic path core, 4 is the high voltage terminal, 5 is the cylindrical resin case, 6 is the engine, 6' is its plug hole, 7
is an insulating resin layer, 8 is a bushing, 9 is a spark plug, 1
0 indicates its head terminal, and 11 indicates a permanent magnet.
Claims (1)
心と、該開磁路鉄心の外に嵌合した１次コイル及
び２次コイルとを配置し、上記樹脂ケースの内部
に注型して硬化した絶縁樹脂層中に前記開磁路鉄
心と、１次コイル及び２次コイルを埋設すると共
に、エンジンの点火栓と直結する高圧端子を備え
た内燃機関の点火コイルにおいて、 前記開磁路鉄心の少なくとも一端部に永久磁石
を対向して配設し、該永久磁石の磁束の向きを、
前記１次コイルに通電した時に発生する磁束の向
きに対して逆向きにしたことを特徴とする内燃機
関の点火コイル。[Claims for Utility Model Registration] An open magnetic path iron core and a primary coil and a secondary coil fitted outside the open magnetic path iron core are disposed concentrically inside a cylindrical resin case, and the above-mentioned An internal combustion engine, in which the open magnetic path iron core, a primary coil, and a secondary coil are embedded in an insulating resin layer that is cast and hardened inside a resin case, and is equipped with a high-voltage terminal that is directly connected to an engine spark plug. In the ignition coil, a permanent magnet is disposed facing at least one end of the open magnetic path iron core, and the direction of the magnetic flux of the permanent magnet is set to
An ignition coil for an internal combustion engine, characterized in that the direction of magnetic flux is opposite to that generated when the primary coil is energized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6398490U JPH0424669U (en) | 1990-06-19 | 1990-06-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6398490U JPH0424669U (en) | 1990-06-19 | 1990-06-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0424669U true JPH0424669U (en) | 1992-02-27 |
Family
ID=31594519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6398490U Pending JPH0424669U (en) | 1990-06-19 | 1990-06-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0424669U (en) |
-
1990
- 1990-06-19 JP JP6398490U patent/JPH0424669U/ja active Pending
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