GB1443044A - Sparking plugs for internal combustion engines - Google Patents

Sparking plugs for internal combustion engines

Info

Publication number
GB1443044A
GB1443044A GB4344273A GB4344273A GB1443044A GB 1443044 A GB1443044 A GB 1443044A GB 4344273 A GB4344273 A GB 4344273A GB 4344273 A GB4344273 A GB 4344273A GB 1443044 A GB1443044 A GB 1443044A
Authority
GB
United Kingdom
Prior art keywords
internal combustion
combustion engines
sparking plugs
groove
electrode
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
Application number
GB4344273A
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.)
Denso Corp
Original Assignee
NipponDenso Co 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
Application filed by NipponDenso Co Ltd filed Critical NipponDenso Co Ltd
Publication of GB1443044A publication Critical patent/GB1443044A/en
Expired 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
    • H01T13/32—Sparking plugs characterised by features of the electrodes or insulation characterised by features of the earthed electrode

Landscapes

  • Spark Plugs (AREA)

Abstract

1443044 Sparking plug NIPPONDENSO CO Ltd 17 Sept 1973 [18 Sept 1972] 43442/73 Heading F1B In a sparking plug the ground electrode 2 has a groove 16 in the surface of this electrode which confronts the centre electrode 1, the groove extending longitudinally along the entire length of the ground electrode. The groove may be of rectangular, triangular or semi-circular crosssection.
GB4344273A 1972-09-18 1973-09-17 Sparking plugs for internal combustion engines Expired GB1443044A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9398972A JPS4949035A (en) 1972-09-18 1972-09-18

Publications (1)

Publication Number Publication Date
GB1443044A true GB1443044A (en) 1976-07-21

Family

ID=14097796

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4344273A Expired GB1443044A (en) 1972-09-18 1973-09-17 Sparking plugs for internal combustion engines

Country Status (2)

Country Link
JP (1) JPS4949035A (en)
GB (1) GB1443044A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2210103A (en) * 1987-09-17 1989-06-01 Champion Spark Plug Europ Spark plug

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56160235A (en) * 1980-05-14 1981-12-09 Showa Denko Kk Plastic bumper

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2210103A (en) * 1987-09-17 1989-06-01 Champion Spark Plug Europ Spark plug
GB2210103B (en) * 1987-09-17 1992-02-05 Champion Spark Plug Europ Spark plug for internal combustion engine

Also Published As

Publication number Publication date
JPS4949035A (en) 1974-05-13

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years

Effective date: 19930916