JPH0267590U - - Google Patents
Info
- Publication number
- JPH0267590U JPH0267590U JP14697388U JP14697388U JPH0267590U JP H0267590 U JPH0267590 U JP H0267590U JP 14697388 U JP14697388 U JP 14697388U JP 14697388 U JP14697388 U JP 14697388U JP H0267590 U JPH0267590 U JP H0267590U
- Authority
- JP
- Japan
- Prior art keywords
- spark plug
- center electrode
- electrode
- spark
- outer electrode
- 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
- 239000003054 catalyst Substances 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims 2
- 239000000919 ceramic Substances 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 claims 1
- 229910052763 palladium Inorganic materials 0.000 claims 1
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims 1
- -1 palladium metal compound Chemical class 0.000 claims 1
- 229910052697 platinum Inorganic materials 0.000 claims 1
- 239000012212 insulator Substances 0.000 description 1
Landscapes
- Spark Plugs (AREA)
Description
第１図は本考案の点火栓を示す一部破断した正
面図、第２図は第１図の要部を示す拡大断面図で
ある。
１…点火栓、２…中心電極、３…外側電極、４
…点火栓座、５…絶縁体、６…ベース、７…酸化
触媒層。
FIG. 1 is a partially cutaway front view showing the ignition plug of the present invention, and FIG. 2 is an enlarged sectional view showing the main part of FIG. 1. 1... Spark plug, 2... Center electrode, 3... Outer electrode, 4
...Ignition hydrant seat, 5...Insulator, 6...Base, 7...Oxidation catalyst layer.
Claims (1)
心電極に対向して外側電極が点火栓座と一体に設
けられている火花点火式内燃機関の点火栓におい
て、 上記外側電極の表面に中心電極との対向部分を
除いてセラミツクスのベースをコーテイングし、 上記ベース上に白金およびパラジウム金属の化
合物からなる酸化触媒層を形成したことを特徴と
する点火栓。[Scope of Claim for Utility Model Registration] A spark plug for a spark-ignition internal combustion engine in which a center electrode is provided in the ignition part of the spark plug, and an outer electrode is provided integrally with the spark plug seat opposite to the center electrode, A spark plug characterized in that the surface of the outer electrode is coated with a ceramic base except for the part facing the center electrode, and an oxidation catalyst layer made of a platinum and palladium metal compound is formed on the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14697388U JPH0267590U (en) | 1988-11-09 | 1988-11-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14697388U JPH0267590U (en) | 1988-11-09 | 1988-11-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0267590U true JPH0267590U (en) | 1990-05-22 |
Family
ID=31416962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14697388U Pending JPH0267590U (en) | 1988-11-09 | 1988-11-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0267590U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007265842A (en) * | 2006-03-29 | 2007-10-11 | Ngk Spark Plug Co Ltd | Spark plug for internal combustion engine |
| JP2017112000A (en) * | 2015-12-17 | 2017-06-22 | 三菱自動車工業株式会社 | Ignition plug |
-
1988
- 1988-11-09 JP JP14697388U patent/JPH0267590U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007265842A (en) * | 2006-03-29 | 2007-10-11 | Ngk Spark Plug Co Ltd | Spark plug for internal combustion engine |
| JP2017112000A (en) * | 2015-12-17 | 2017-06-22 | 三菱自動車工業株式会社 | Ignition plug |