JPS5395443A - Sparking plug for internal-combustion engine - Google Patents
Sparking plug for internal-combustion engineInfo
- Publication number
- JPS5395443A JPS5395443A JP1016777A JP1016777A JPS5395443A JP S5395443 A JPS5395443 A JP S5395443A JP 1016777 A JP1016777 A JP 1016777A JP 1016777 A JP1016777 A JP 1016777A JP S5395443 A JPS5395443 A JP S5395443A
- Authority
- JP
- Japan
- Prior art keywords
- internal
- sparking plug
- combustion engine
- gap
- sparking
- 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.)
- Granted
Links
Landscapes
- Spark Plugs (AREA)
Abstract
PURPOSE: To improve stain resistance and ignitability of a sparking plug by designing at the tip end of the inside hole of an insulator a large-diametered portion which has an I.D. larger than the O.D. of a central electrode so as to provide a secondary spark gap, a high-voltage spark developed across the gap through the surface of the portion.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1016777A JPS596472B2 (en) | 1977-01-31 | 1977-01-31 | Spark plug for internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1016777A JPS596472B2 (en) | 1977-01-31 | 1977-01-31 | Spark plug for internal combustion engine |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5395443A true JPS5395443A (en) | 1978-08-21 |
JPS596472B2 JPS596472B2 (en) | 1984-02-10 |
Family
ID=11742714
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1016777A Expired JPS596472B2 (en) | 1977-01-31 | 1977-01-31 | Spark plug for internal combustion engine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS596472B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5189333A (en) * | 1990-08-08 | 1993-02-23 | Ngk Spark Plug Co., Ltd. | Multi-gap spark plug for an internal combustion engine |
-
1977
- 1977-01-31 JP JP1016777A patent/JPS596472B2/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5189333A (en) * | 1990-08-08 | 1993-02-23 | Ngk Spark Plug Co., Ltd. | Multi-gap spark plug for an internal combustion engine |
Also Published As
Publication number | Publication date |
---|---|
JPS596472B2 (en) | 1984-02-10 |
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