ES447673A1 - Spark plug for an internal combustion engine - Google Patents
Spark plug for an internal combustion engineInfo
- Publication number
- ES447673A1 ES447673A1 ES447673A ES447673A ES447673A1 ES 447673 A1 ES447673 A1 ES 447673A1 ES 447673 A ES447673 A ES 447673A ES 447673 A ES447673 A ES 447673A ES 447673 A1 ES447673 A1 ES 447673A1
- Authority
- ES
- Spain
- Prior art keywords
- internal combustion
- spark plug
- combustion engine
- platinum
- insulator
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T13/00—Sparking plugs
- H01T13/20—Sparking plugs characterised by features of the electrodes or insulation
- H01T13/39—Selection of materials for electrodes
Landscapes
- Spark Plugs (AREA)
Abstract
Improvements in spark plugs for internal combustion engines, of the type equipped with a central electrode whose ignition section protrudes from the insulator, has a layer of platinum and has in front of its front surface, separated and parallel, a ground electrode fixed to the capsule of the spark plug, characterized in that the ignition section of the central electrode that protrudes from the insulator converges in the shape of a cone trunk towards the front face and is essentially covered only on its front face with a platinum layer of a thickness between 10 and 100 μm, preferably however with a platinum layer of 40-50 μm. (Machine-translation by Google Translate, not legally binding)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752520622 DE2520622A1 (en) | 1975-05-09 | 1975-05-09 | SPARK PLUG FOR COMBUSTION MACHINERY |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES447673A1 true ES447673A1 (en) | 1977-06-16 |
Family
ID=5946127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES447673A Expired ES447673A1 (en) | 1975-05-09 | 1976-05-09 | Spark plug for an internal combustion engine |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS51140034A (en) |
| BE (1) | BE841619A (en) |
| BR (1) | BR7602866A (en) |
| DE (1) | DE2520622A1 (en) |
| ES (1) | ES447673A1 (en) |
| FR (1) | FR2310643A1 (en) |
| GB (1) | GB1497641A (en) |
| IT (1) | IT1078812B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5717590A (en) * | 1980-07-08 | 1982-01-29 | Toyoda Chuo Kenkyusho Kk | Ignition plug |
| DE3132814C2 (en) * | 1980-08-21 | 1984-10-25 | Nippondenso Co., Ltd., Kariya, Aichi | Spark plug for internal combustion engines |
| JPS592152B2 (en) * | 1981-05-07 | 1984-01-17 | 株式会社デンソー | Method for manufacturing spark plugs for internal combustion engines |
| US4699600A (en) * | 1981-04-30 | 1987-10-13 | Nippondenso Co., Ltd. | Spark plug and method of manufacturing the same |
| JPS6072182A (en) * | 1983-09-28 | 1985-04-24 | 株式会社デンソー | Ignition plug for internal combustion engine |
| US4725254A (en) * | 1986-11-24 | 1988-02-16 | Allied Corporation | Method for manufacturing a center electrode for a spark plug |
| IT8867555A0 (en) * | 1988-06-10 | 1988-06-10 | Magneti Marelli Spa | MISURFACE DISCHARGE SPARK PLUG FOR INTERNAL COMBUSTION ENGINE AND PROCEDURE FOR MANUFACTURING THE GROUND ELECTRODES OF THIS SPARK PLUG |
| BE1009076A5 (en) * | 1993-03-02 | 1996-11-05 | Bogaert Bernard Van Den | Mass improved electrode candle. |
| DE10129040A1 (en) * | 2001-06-15 | 2003-01-02 | Bosch Gmbh Robert | spark plug |
| JP2004207219A (en) | 2002-12-10 | 2004-07-22 | Denso Corp | Spark plug |
| JP4586564B2 (en) * | 2005-02-18 | 2010-11-24 | 日立工機株式会社 | Combustion nailer |
| JP4759090B1 (en) | 2010-02-18 | 2011-08-31 | 日本特殊陶業株式会社 | Spark plug |
-
1975
- 1975-05-09 DE DE19752520622 patent/DE2520622A1/en active Pending
-
1976
- 1976-04-29 FR FR7612706A patent/FR2310643A1/en active Granted
- 1976-05-06 IT IT2302776A patent/IT1078812B/en active
- 1976-05-07 JP JP5201076A patent/JPS51140034A/en active Pending
- 1976-05-07 BR BR7602866A patent/BR7602866A/en unknown
- 1976-05-07 GB GB1871776A patent/GB1497641A/en not_active Expired
- 1976-05-07 BE BE166875A patent/BE841619A/en unknown
- 1976-05-09 ES ES447673A patent/ES447673A1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BR7602866A (en) | 1977-11-16 |
| FR2310643A1 (en) | 1976-12-03 |
| IT1078812B (en) | 1985-05-08 |
| BE841619A (en) | 1976-09-01 |
| FR2310643B3 (en) | 1979-01-19 |
| DE2520622A1 (en) | 1976-11-18 |
| GB1497641A (en) | 1978-01-12 |
| JPS51140034A (en) | 1976-12-02 |
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