GB479540A - Improvements in electrodes for sparking plugs - Google Patents
Improvements in electrodes for sparking plugsInfo
- Publication number
- GB479540A GB479540A GB2652336A GB2652336A GB479540A GB 479540 A GB479540 A GB 479540A GB 2652336 A GB2652336 A GB 2652336A GB 2652336 A GB2652336 A GB 2652336A GB 479540 A GB479540 A GB 479540A
- Authority
- GB
- United Kingdom
- Prior art keywords
- electrodes
- sparking plugs
- platinum
- sparking
- equivalent
- 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
Alloys for tipping sparking-plug terminals consist of at least one atomic equivalent of iridium, ruthenium, or osmium with one atomic equivalent of platinum. Some of the platinum, for example 20 per cent, may be replaced by an equivalent amount of rhodium.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2652336A GB479540A (en) | 1936-09-30 | 1936-09-30 | Improvements in electrodes for sparking plugs |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2652336A GB479540A (en) | 1936-09-30 | 1936-09-30 | Improvements in electrodes for sparking plugs |
Publications (1)
Publication Number | Publication Date |
---|---|
GB479540A true GB479540A (en) | 1938-02-08 |
Family
ID=10244966
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2652336A Expired GB479540A (en) | 1936-09-30 | 1936-09-30 | Improvements in electrodes for sparking plugs |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB479540A (en) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4699600A (en) * | 1981-04-30 | 1987-10-13 | Nippondenso Co., Ltd. | Spark plug and method of manufacturing the same |
US5793793A (en) * | 1996-06-28 | 1998-08-11 | Ngk Spark Plug Co., Ltd. | Spark plug |
GB2302367B (en) * | 1995-06-15 | 1998-11-25 | Nippon Denso Co | Spark plug for internal combustion engine |
US5869921A (en) * | 1996-04-30 | 1999-02-09 | Ngk Spark Plug Co., Ltd. | Spark plug for internal combustion engine having platinum and iridium alloyed emissive tips |
JP2877035B2 (en) | 1995-06-15 | 1999-03-31 | 株式会社デンソー | Spark plug for internal combustion engine |
US5973443A (en) * | 1996-05-06 | 1999-10-26 | Alliedsignal Inc. | Spark plug electrode tip for internal combustion engine |
US6078129A (en) * | 1997-04-16 | 2000-06-20 | Denso Corporation | Spark plug having iridium containing noble metal chip attached via a molten bond |
US6166479A (en) * | 1997-09-17 | 2000-12-26 | Ngk Spark Plug Co., Ltd. | Spark plug having a spark discharge portion with a specific composition |
US6262522B1 (en) | 1995-06-15 | 2001-07-17 | Denso Corporation | Spark plug for internal combustion engine |
EP0817341B2 (en) † | 1996-06-28 | 2003-12-10 | Ngk Spark Plug Co., Ltd | Spark plug |
WO2005083855A1 (en) * | 2004-02-26 | 2005-09-09 | Francesconi Technologie Gmbh | Noble metal tip for spark plug electrode and method of making same |
US7557495B2 (en) | 2005-11-08 | 2009-07-07 | Paul Tinwell | Spark plug having precious metal pad attached to ground electrode and method of making same |
US7973459B2 (en) | 2004-02-03 | 2011-07-05 | Federal-Mogul Ignition (U.K.) Limited | Spark plug configuration having a noble metal tip |
-
1936
- 1936-09-30 GB GB2652336A patent/GB479540A/en not_active Expired
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4699600A (en) * | 1981-04-30 | 1987-10-13 | 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 |
DE19623795C2 (en) * | 1995-06-15 | 2003-09-25 | Denso Corp | Spark plug for an internal combustion engine |
JP2877035B2 (en) | 1995-06-15 | 1999-03-31 | 株式会社デンソー | Spark plug for internal combustion engine |
GB2302367B (en) * | 1995-06-15 | 1998-11-25 | Nippon Denso Co | Spark plug for internal combustion engine |
US6094000A (en) * | 1995-06-15 | 2000-07-25 | Nippondenso Co., Ltd. | Spark plug for internal combustion engine |
CN1056019C (en) * | 1995-06-15 | 2000-08-30 | 日本电装株式会社 | Spark plug for internal combustion engine |
US6262522B1 (en) | 1995-06-15 | 2001-07-17 | Denso Corporation | Spark plug for internal combustion engine |
US5869921A (en) * | 1996-04-30 | 1999-02-09 | Ngk Spark Plug Co., Ltd. | Spark plug for internal combustion engine having platinum and iridium alloyed emissive tips |
US5973443A (en) * | 1996-05-06 | 1999-10-26 | Alliedsignal Inc. | Spark plug electrode tip for internal combustion engine |
EP0817341B2 (en) † | 1996-06-28 | 2003-12-10 | Ngk Spark Plug Co., Ltd | Spark plug |
USRE43758E1 (en) | 1996-06-28 | 2012-10-23 | Ngk Spark Plug Co., Ltd. | Spark plug with alloy chip |
US5793793A (en) * | 1996-06-28 | 1998-08-11 | Ngk Spark Plug Co., Ltd. | Spark plug |
US6078129A (en) * | 1997-04-16 | 2000-06-20 | Denso Corporation | Spark plug having iridium containing noble metal chip attached via a molten bond |
US6846214B1 (en) | 1997-04-16 | 2005-01-25 | Denso Corporation | Method of manufacturing a spark plug for an internal combustion engine |
US6166479A (en) * | 1997-09-17 | 2000-12-26 | Ngk Spark Plug Co., Ltd. | Spark plug having a spark discharge portion with a specific composition |
US7973459B2 (en) | 2004-02-03 | 2011-07-05 | Federal-Mogul Ignition (U.K.) Limited | Spark plug configuration having a noble metal tip |
WO2005083855A1 (en) * | 2004-02-26 | 2005-09-09 | Francesconi Technologie Gmbh | Noble metal tip for spark plug electrode and method of making same |
US7557495B2 (en) | 2005-11-08 | 2009-07-07 | Paul Tinwell | Spark plug having precious metal pad attached to ground electrode and method of making same |
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