JPH02141681U - - Google Patents
Info
- Publication number
- JPH02141681U JPH02141681U JP5111589U JP5111589U JPH02141681U JP H02141681 U JPH02141681 U JP H02141681U JP 5111589 U JP5111589 U JP 5111589U JP 5111589 U JP5111589 U JP 5111589U JP H02141681 U JPH02141681 U JP H02141681U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder head
- spark plug
- intake port
- fuel
- cylinder
- 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
- 239000000446 fuel Substances 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 2
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Landscapes
- Ignition Installations For Internal Combustion Engines (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
Description
第1,2図は本考案の一実施例としての燃料付
着防止型点火プラグ付きエンジンを示すもので、
第1図はその構造を模式的に示すシリンダヘツド
の要部縦断面図、第2図はその平面構成を示すた
めシリンダヘツドを下方から視た要部模式的平面
図であり、第3図は従来の点火プラグの取付状態
を示す模式的縦断面図である。
1……点火プラグ、2……主体金具、3……絶
縁体、4……ふところ部、5……発火部、6……
シリンダヘツド、6a……シリンダヘツド内壁、
7……ねじ部、8……吸気口、9……燃料噴射ノ
ズル、10……吸気弁、10a……背部、11,
11′……遮へい部。
Figures 1 and 2 show an engine equipped with a fuel adhesion prevention type spark plug as an embodiment of the present invention.
Fig. 1 is a longitudinal sectional view of the main part of the cylinder head schematically showing its structure, Fig. 2 is a schematic plan view of the main part of the cylinder head viewed from below to show its planar configuration, and Fig. FIG. 2 is a schematic vertical cross-sectional view showing a conventional spark plug installed. DESCRIPTION OF SYMBOLS 1... Spark plug, 2... Metal shell, 3... Insulator, 4... Bottle part, 5... Ignition part, 6...
Cylinder head, 6a... Cylinder head inner wall,
7...Threaded portion, 8...Intake port, 9...Fuel injection nozzle, 10...Intake valve, 10a...Back, 11,
11'...shielding part.
Claims (1)
ンダヘツドに取り付けられた点火プラグと、上記
シリンダヘツドに形成された吸気口とをそなえ、
同吸気口から供給される燃料の上記点火プラグに
おける発火部への付着を回避すべく、上記シリン
ダヘツドにおけるシリンダ内壁の上記吸気口と上
記点火プラグとの間に遮へい部が突設されている
ことを特徴とする、燃料付着防止型点火プラグ付
きエンジン。 The engine includes a cylinder head, a spark plug attached to the cylinder head, and an intake port formed in the cylinder head,
In order to avoid adhesion of fuel supplied from the intake port to the ignition part of the spark plug, a shielding portion is provided protruding between the intake port and the spark plug on the inner wall of the cylinder in the cylinder head. An engine with a fuel-adhesion prevention spark plug.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5111589U JPH02141681U (en) | 1989-04-28 | 1989-04-28 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5111589U JPH02141681U (en) | 1989-04-28 | 1989-04-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH02141681U true JPH02141681U (en) | 1990-11-29 |
Family
ID=31570259
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5111589U Pending JPH02141681U (en) | 1989-04-28 | 1989-04-28 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH02141681U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007231794A (en) * | 2006-02-28 | 2007-09-13 | Honda Motor Co Ltd | Internal combustion engine |
-
1989
- 1989-04-28 JP JP5111589U patent/JPH02141681U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007231794A (en) * | 2006-02-28 | 2007-09-13 | Honda Motor Co Ltd | Internal combustion engine |