GB1497641A - Spark plug for an internal combustion engine - Google Patents
Spark plug for an internal combustion engineInfo
- Publication number
- GB1497641A GB1497641A GB1871776A GB1871776A GB1497641A GB 1497641 A GB1497641 A GB 1497641A GB 1871776 A GB1871776 A GB 1871776A GB 1871776 A GB1871776 A GB 1871776A GB 1497641 A GB1497641 A GB 1497641A
- Authority
- GB
- United Kingdom
- Prior art keywords
- degrees
- nickel
- electrode
- combustion engine
- internal combustion
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19752520622 DE2520622A1 (de) | 1975-05-09 | 1975-05-09 | Zuendkerze fuer brennkraftmaschinen |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1497641A true GB1497641A (en) | 1978-01-12 |
Family
ID=5946127
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1871776A Expired GB1497641A (en) | 1975-05-09 | 1976-05-07 | Spark plug for an internal combustion engine |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS51140034A (pt) |
BE (1) | BE841619A (pt) |
BR (1) | BR7602866A (pt) |
DE (1) | DE2520622A1 (pt) |
ES (1) | ES447673A1 (pt) |
FR (1) | FR2310643A1 (pt) |
GB (1) | GB1497641A (pt) |
IT (1) | IT1078812B (pt) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3132814A1 (de) * | 1980-08-21 | 1982-04-15 | Nippondenso Co., Ltd., Kariya, Aichi | "zuendkerze fuer brennkraftmaschinen" |
GB2219626B (en) * | 1988-06-10 | 1992-11-18 | Magneti Marelli Spa | Partial surface discharge spark plug for an internal combustion engine and method for manufacturing the earth electrodes of such a spark plug |
USRE34778E (en) * | 1981-04-30 | 1994-11-08 | Nippondenso Co., Ltd. | Spark plug and method of manufacturing the same |
US7109646B2 (en) | 2002-12-10 | 2006-09-19 | Denso Corporation | Spark plug having center electrode with columnar portion and conical portion |
EP1693157A3 (en) * | 2005-02-18 | 2010-02-24 | Hitachi Koki Co., Ltd. | Combustion-type power tool having ignition proof arrangement |
US8841826B2 (en) | 2010-02-18 | 2014-09-23 | Ngk Spark Plug Co., Ltd. | Spark plug |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5717590A (en) * | 1980-07-08 | 1982-01-29 | Toyoda Chuo Kenkyusho Kk | Ignition plug |
JPS592152B2 (ja) * | 1981-05-07 | 1984-01-17 | 株式会社デンソー | 内燃機関用点火プラグの製造方法 |
JPS6072182A (ja) * | 1983-09-28 | 1985-04-24 | 株式会社デンソー | 内燃機関用点火栓 |
US4725254A (en) * | 1986-11-24 | 1988-02-16 | Allied Corporation | Method for manufacturing a center electrode for a spark plug |
BE1009076A5 (fr) * | 1993-03-02 | 1996-11-05 | Bogaert Bernard Van Den | Electrode de masse amelioree pour bougie. |
DE10129040A1 (de) * | 2001-06-15 | 2003-01-02 | Bosch Gmbh Robert | Zündkerze |
-
1975
- 1975-05-09 DE DE19752520622 patent/DE2520622A1/de active Pending
-
1976
- 1976-04-29 FR FR7612706A patent/FR2310643A1/fr active Granted
- 1976-05-06 IT IT2302776A patent/IT1078812B/it active
- 1976-05-07 JP JP5201076A patent/JPS51140034A/ja active Pending
- 1976-05-07 BE BE166875A patent/BE841619A/xx unknown
- 1976-05-07 BR BR7602866A patent/BR7602866A/pt unknown
- 1976-05-07 GB GB1871776A patent/GB1497641A/en not_active Expired
- 1976-05-09 ES ES447673A patent/ES447673A1/es not_active Expired
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3132814A1 (de) * | 1980-08-21 | 1982-04-15 | Nippondenso Co., Ltd., Kariya, Aichi | "zuendkerze fuer brennkraftmaschinen" |
USRE34778E (en) * | 1981-04-30 | 1994-11-08 | Nippondenso Co., Ltd. | Spark plug and method of manufacturing the same |
USRE35429E (en) * | 1981-04-30 | 1997-01-21 | Nippendenso Co., Ltd. | Spark plug and the method of manufacturing the same |
GB2219626B (en) * | 1988-06-10 | 1992-11-18 | Magneti Marelli Spa | Partial surface discharge spark plug for an internal combustion engine and method for manufacturing the earth electrodes of such a spark plug |
US7109646B2 (en) | 2002-12-10 | 2006-09-19 | Denso Corporation | Spark plug having center electrode with columnar portion and conical portion |
EP1693157A3 (en) * | 2005-02-18 | 2010-02-24 | Hitachi Koki Co., Ltd. | Combustion-type power tool having ignition proof arrangement |
US8841826B2 (en) | 2010-02-18 | 2014-09-23 | Ngk Spark Plug Co., Ltd. | Spark plug |
Also Published As
Publication number | Publication date |
---|---|
BE841619A (fr) | 1976-09-01 |
ES447673A1 (es) | 1977-06-16 |
JPS51140034A (en) | 1976-12-02 |
FR2310643A1 (fr) | 1976-12-03 |
BR7602866A (pt) | 1977-11-16 |
FR2310643B3 (pt) | 1979-01-19 |
IT1078812B (it) | 1985-05-08 |
DE2520622A1 (de) | 1976-11-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |