JPS613974U - Distributor for spark ignition internal combustion engine - Google Patents
Distributor for spark ignition internal combustion engineInfo
- Publication number
- JPS613974U JPS613974U JP8663284U JP8663284U JPS613974U JP S613974 U JPS613974 U JP S613974U JP 8663284 U JP8663284 U JP 8663284U JP 8663284 U JP8663284 U JP 8663284U JP S613974 U JPS613974 U JP S613974U
- Authority
- JP
- Japan
- Prior art keywords
- distributor
- housing
- cap
- shielding layer
- electromagnetic shielding
- 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
Landscapes
- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の第１実施例の部分的断面図、第２図は
ＩＩＡ型デイストリビュータに本考案を適用した第２実
施例の断面図、第３図は本考案第２実施例と従来のデイ
ストリビュータとの電磁遮蔽性能を示すグラフ、第４図
は本考案の第３実施例の部分的断面図、第５図は本考案
の第４実施例の部分的断面図、第６図は第５実施例の部
分的断面図である。
１０・・・デイストリビュニタ、１２．４２・・・ハウ
ジング、１４．４４・・・デイストリビュータ・キャッ
プ、２８．６４・・・電磁遮蔽層、４０・・・ＩＩＡ型
デイストリビュータ、７４・・・放熱フィン。Fig. 1 is a partial sectional view of the first embodiment of the present invention, Fig. 2 is a sectional view of the second embodiment in which the invention is applied to a type IIA distributor, and Fig. 3 is the second embodiment of the invention. 4 is a partial sectional view of the third embodiment of the present invention, and FIG. 5 is a partial sectional view of the fourth embodiment of the present invention. FIG. 6 is a partial sectional view of the fifth embodiment. DESCRIPTION OF SYMBOLS 10... Distributor, 12.42... Housing, 14.44... Distributor cap, 28.64... Electromagnetic shielding layer, 40... IIA type distributor, 74...・Radiation fin.
Claims (1)
タ・キャップを備えて成る火花点火内燃機関用デイスト
リビュータにおいて、前記デイストリビュータ番キャッ
プの外側には、金属細片を混入した導電性樹脂から成る
電磁遮蔽層を射出成形により一体形成したことを特徴と
する火花点火内燃機関用デイストリビュータ。 ２ 前記金属細片は金属繊維である実用新案登録請求の
範囲第１項記載のデイストリビュータ。 ３ 前記金属細片は金属フレークである実用新案登録請
求の範囲第１項記載のデイストリビュータ。 ４ 前記金属細片を混入した導電性樹脂は、前記デイス
トリビュータ・キャップの材料より熱変形温度が低いこ
とを特徴とする特許請求の範囲第１項記載のデイストリ
ビュータ。 ５ 前記デイストリビュータ・キャップの電磁遮蔽層は
デイストリュータのハウジングまで延長しており、前記
キャップとハウジングとの間に導電性材料から成るパッ
キンを分在させることをにより電磁遮蔽層をハウジング
に電気的に接続したことを特徴とする実用新案登録請求
の範囲第７１項記載の−デイストリビュータ。 ６ 前記デイストリビュータは点火コイルおよびイグナ
イタを内蔵しており、前記電磁遮蔽層は放熱フィン構造
に成形したことを特徴とする実用新案登録請求の範囲第
５項記載のディストリビュータ。 ７ 前記パッキンは伝熱性でかつ導電性の材料から成る
実用新案登録請求の範囲第６項記載のデイストリビュー
タ。 ８ デイストリビュータのハウジングの下端に熱絶縁性
のスペーサを設け、ディストリビュータがエンジンに装
着された時にエンジンブロックからデイストリビュータ
のハウジングへの熱伝導を抑制し得るようにしたことを
特徴とする実用新案登録請求の範囲第６項記載のデイス
トリビュータ。 ９ 前記電磁遮蔽層の放熱フィンはディストリビュータ
・キャップの外側のほぼ全体にわたって配置されている
実用新案登録請求の範囲第６項記載のデイストリビュー
タ。 １０ 前記電磁遮蔽層の放熱フィンは点火コイルおよび
イグナイタの近傍のみに配置されている実用新案登録請
求の範囲第６項記載のデイストリビュータ。 １１ 前記デイストリビュータ・キャップの半径方向
肉厚は前記ハウジングの側で薄くしたことを特徴とする
実用新案登録請求の範囲第６項記載のデイストリ頃ユー
タ。 １２ 前記放熱フィンの半径方向長さは前記ハウジング
の側で長くその反対側で短くしたことを特徴とする実用
新案登録請求の範囲第６項記載のデイストリビュータ。[Claims for Utility Model Registration] 1. A distributor for a spark-ignition internal combustion engine comprising a distributor cap connected to a metal housing, in which a metal strip is provided on the outside of the distributor cap. A distributor for a spark ignition internal combustion engine, characterized in that an electromagnetic shielding layer made of a conductive resin mixed with is integrally formed by injection molding. 2. The distributor according to claim 1, wherein the metal strip is a metal fiber. 3. The distributor according to claim 1, wherein the metal strip is a metal flake. 4. The distributor according to claim 1, wherein the conductive resin mixed with the metal strips has a lower thermal deformation temperature than the material of the distributor cap. 5. The electromagnetic shielding layer of the distributor cap extends to the housing of the distributor, and the electromagnetic shielding layer is attached to the housing by distributing a packing made of a conductive material between the cap and the housing. 72. The distributor according to claim 71, characterized in that the distributor is electrically connected. 6. The distributor according to claim 5, wherein the distributor incorporates an ignition coil and an igniter, and the electromagnetic shielding layer is formed into a radiation fin structure. 7. The distributor according to claim 6, wherein the packing is made of a thermally conductive and electrically conductive material. 8. Practical use characterized in that a heat insulating spacer is provided at the lower end of the distributor housing to suppress heat conduction from the engine block to the distributor housing when the distributor is installed in the engine. A distributor according to claim 6 of the patent registration claim. 9. The distributor according to claim 6, wherein the radiation fins of the electromagnetic shielding layer are arranged over almost the entire outside of the distributor cap. 10. The distributor according to claim 6, wherein the radiation fins of the electromagnetic shielding layer are arranged only near the ignition coil and the igniter. 11. The distributor cap user according to claim 6, wherein the thickness of the distributor cap in the radial direction is thinner on the side of the housing. 12. The distributor according to claim 6, wherein the radial length of the radiation fin is longer on the housing side and shorter on the opposite side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8663284U JPS613974U (en) | 1984-06-13 | 1984-06-13 | Distributor for spark ignition internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8663284U JPS613974U (en) | 1984-06-13 | 1984-06-13 | Distributor for spark ignition internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS613974U true JPS613974U (en) | 1986-01-11 |
Family
ID=30638118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8663284U Pending JPS613974U (en) | 1984-06-13 | 1984-06-13 | Distributor for spark ignition internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS613974U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS588623A (en) * | 1981-07-10 | 1983-01-18 | Toyota Motor Corp | Electroconductive injection molding method of resin part |
| JPS5824629A (en) * | 1981-08-04 | 1983-02-14 | Nissan Motor Co Ltd | Brake rotor of disc brake |
-
1984
- 1984-06-13 JP JP8663284U patent/JPS613974U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS588623A (en) * | 1981-07-10 | 1983-01-18 | Toyota Motor Corp | Electroconductive injection molding method of resin part |
| JPS5824629A (en) * | 1981-08-04 | 1983-02-14 | Nissan Motor Co Ltd | Brake rotor of disc brake |
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