GB2346933A - Spark plug - Google Patents

Spark plug

Info

Publication number
GB2346933A
GB2346933A GB0012762A GB0012762A GB2346933A GB 2346933 A GB2346933 A GB 2346933A GB 0012762 A GB0012762 A GB 0012762A GB 0012762 A GB0012762 A GB 0012762A GB 2346933 A GB2346933 A GB 2346933A
Authority
GB
United Kingdom
Prior art keywords
spark plug
electrodes
gap
central
ground
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.)
Withdrawn
Application number
GB0012762A
Other versions
GB0012762D0 (en
Inventor
Joseph Gibson Dawson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dawson Royalties Ltd
Original Assignee
Dawson Royalties Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from GBGB9726591.2A external-priority patent/GB9726591D0/en
Application filed by Dawson Royalties Ltd filed Critical Dawson Royalties Ltd
Publication of GB0012762D0 publication Critical patent/GB0012762D0/en
Publication of GB2346933A publication Critical patent/GB2346933A/en
Withdrawn legal-status Critical Current

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

Landscapes

  • Spark Plugs (AREA)

Abstract

A spark plug for an internal combustion engine is described, the spark plug including two electrodes, the electrodes comprising a central electrode and a ground electrode, there being a gap between the two electrodes and wherein the gap between the central and ground electrodes is bridged by a bridging member of a monolithic, electrically insulating material.
GB0012762A 1997-12-17 1998-12-07 Spark plug Withdrawn GB2346933A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9726591.2A GB9726591D0 (en) 1997-12-17 1997-12-17 Spark plug
GBGB9815236.6A GB9815236D0 (en) 1997-12-17 1998-07-15 Spark plug
PCT/GB1998/003649 WO1999031775A1 (en) 1997-12-17 1998-12-07 Spark plug

Publications (2)

Publication Number Publication Date
GB0012762D0 GB0012762D0 (en) 2000-07-19
GB2346933A true GB2346933A (en) 2000-08-23

Family

ID=26312785

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0012762A Withdrawn GB2346933A (en) 1997-12-17 1998-12-07 Spark plug

Country Status (3)

Country Link
AU (1) AU1494599A (en)
GB (1) GB2346933A (en)
WO (1) WO1999031775A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE502004003751D1 (en) * 2004-01-05 2007-06-21 Ford Global Tech Llc spark plug
JP2013254670A (en) * 2012-06-08 2013-12-19 Ngk Spark Plug Co Ltd Spark plug
AT525737B1 (en) * 2022-06-28 2023-07-15 Lec Gmbh spark plug

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2548170A (en) * 1948-12-30 1951-04-10 Pure Oil Co Spark plug
DE883817C (en) * 1941-11-28 1953-07-20 Nienburger Metallwarenfabrik A Sliding spark plug
US4939409A (en) * 1986-06-12 1990-07-03 Robert Bosch Gmbh Spark plug with a surface discharge section

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE883817C (en) * 1941-11-28 1953-07-20 Nienburger Metallwarenfabrik A Sliding spark plug
US2548170A (en) * 1948-12-30 1951-04-10 Pure Oil Co Spark plug
US4939409A (en) * 1986-06-12 1990-07-03 Robert Bosch Gmbh Spark plug with a surface discharge section

Also Published As

Publication number Publication date
AU1494599A (en) 1999-07-05
WO1999031775A1 (en) 1999-06-24
GB0012762D0 (en) 2000-07-19

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)