JPH0359475U - - Google Patents
Info
- Publication number
- JPH0359475U JPH0359475U JP12004689U JP12004689U JPH0359475U JP H0359475 U JPH0359475 U JP H0359475U JP 12004689 U JP12004689 U JP 12004689U JP 12004689 U JP12004689 U JP 12004689U JP H0359475 U JPH0359475 U JP H0359475U
- Authority
- JP
- Japan
- Prior art keywords
- spark plug
- hole
- insulator
- shaft
- metal shell
- 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
- 239000012212 insulator Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 239000000295 fuel oil Substances 0.000 claims 1
- 239000010705 motor oil Substances 0.000 claims 1
- 239000003921 oil Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Ignition Installations For Internal Combustion Engines (AREA)
Description
第１図は本考案の第１実施例にかかり、ロータ
リーエンジン用スパークプラグをスパークプラグ
取付け用ねじ穴（Ｔ側）に取付けたところを示す
要部部分断面図、第２図はそのプラグの先端部外
周付近の外形図、第３図はそのプラグの耐汚損性
試験を示すグラフである。第４図は本考案の第２
実施例にかかり、ロータリーエンジン用スパーク
プラグの先端部外周付近の外形図である。第５図
はロータリーエンジンの構造説明図である。第６
図は従来のスパークプラグ取付け構造にかかり、
ロータリーエンジン用スパークプラグをスパーク
プラグ取付け用ねじ（Ｔ側）に取付けたところを
示す要部部分断面図である。
図中、１……筒状主体金具、２……軸孔付きの
絶縁体、３……中心電極、４……油溜め、２２０
，２２５……スパークプラグ取付け用ねじ穴、２
３０……燃焼室、１１……取付けねじ、Ａ……ロ
ータリーエンジン用スパークプラグ（スパークプ
ラグ）。
Fig. 1 is a partial sectional view of the main part of the first embodiment of the present invention, showing a spark plug for a rotary engine installed in a spark plug mounting screw hole (T side), and Fig. 2 is a tip of the plug. FIG. 3 is a graph showing the stain resistance test of the plug. Figure 4 is the second version of this invention.
FIG. 2 is an external view of the vicinity of the outer periphery of the tip of a spark plug for a rotary engine according to an embodiment. FIG. 5 is a structural explanatory diagram of a rotary engine. 6th
The figure shows the conventional spark plug mounting structure.
FIG. 2 is a partial sectional view of a main part showing a spark plug for a rotary engine attached to a spark plug attachment screw (T side). In the figure, 1... Cylindrical metal shell, 2... Insulator with shaft hole, 3... Center electrode, 4... Oil reservoir, 220
, 225...Spark plug mounting screw hole, 2
30...Combustion chamber, 11...Mounting screw, A...Spark plug for rotary engine (spark plug).
Claims (1)
付け用ねじ穴に、 外周に取付けねじを形成した先端部を有する筒
状主体金具、該主体金具に嵌め込まれて固定され
る軸孔付きの絶縁体、前記軸孔内に差し込まれた
中心電極を備えたスパークプラグをねじ込んで配
設するスパークプラグの取付け構造において、 前記ねじ穴と、前記主体金具の先端部外周との
間に、前記ねじ穴の開口から浸入する燃料および
エンジンオイルを溜める油溜めを設けたことを特
徴とするスパークプラグの取付け構造。[Scope of Claim for Utility Model Registration] A cylindrical metal shell having a tip with a mounting screw formed on its outer periphery in a screw hole for installing a spark plug that opens into the combustion chamber of an engine, and a shaft that is fitted into the metal shell and fixed. In a spark plug mounting structure in which a spark plug is screwed into an insulator with a hole and a center electrode inserted into the shaft hole, the spark plug has an insulator with a hole and a center electrode inserted into the shaft hole. . A spark plug mounting structure, characterized in that an oil reservoir is provided to collect fuel and engine oil that enter through the opening of the screw hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12004689U JPH0359475U (en) | 1989-10-13 | 1989-10-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12004689U JPH0359475U (en) | 1989-10-13 | 1989-10-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0359475U true JPH0359475U (en) | 1991-06-12 |
Family
ID=31668137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12004689U Pending JPH0359475U (en) | 1989-10-13 | 1989-10-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0359475U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100970170B1 (en) * | 2009-12-04 | 2010-07-14 | 계룡과학주식회사 | Rodents for urine metabolic cage |
| AT512319B1 (en) * | 2011-12-19 | 2014-01-15 | Avl List Gmbh | ROTARY PISTON MACHINE |
-
1989
- 1989-10-13 JP JP12004689U patent/JPH0359475U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100970170B1 (en) * | 2009-12-04 | 2010-07-14 | 계룡과학주식회사 | Rodents for urine metabolic cage |
| AT512319B1 (en) * | 2011-12-19 | 2014-01-15 | Avl List Gmbh | ROTARY PISTON MACHINE |
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