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IT1238515B - SPARK PLUG FOR MOTOR VEHICLES - Google Patents

SPARK PLUG FOR MOTOR VEHICLES

Info

Publication number
IT1238515B
IT1238515B IT67966A IT6796689A IT1238515B IT 1238515 B IT1238515 B IT 1238515B IT 67966 A IT67966 A IT 67966A IT 6796689 A IT6796689 A IT 6796689A IT 1238515 B IT1238515 B IT 1238515B
Authority
IT
Italy
Prior art keywords
spark plug
motor vehicles
vehicles
spark
motor
Prior art date
Application number
IT67966A
Other languages
Italian (it)
Other versions
IT8967966A1 (en
IT8967966A0 (en
Inventor
Claudio Singuaroli
Original Assignee
Magneti Marelli Spa
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 Magneti Marelli Spa filed Critical Magneti Marelli Spa
Priority to IT67966A priority Critical patent/IT1238515B/en
Publication of IT8967966A0 publication Critical patent/IT8967966A0/en
Priority to EP90830498A priority patent/EP0429407A1/en
Priority to JP2297018A priority patent/JPH03165480A/en
Publication of IT8967966A1 publication Critical patent/IT8967966A1/en
Application granted granted Critical
Publication of IT1238515B publication Critical patent/IT1238515B/en

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
    • H01T13/46—Sparking plugs having two or more spark gaps
    • H01T13/467—Sparking plugs having two or more spark gaps in parallel connection
    • 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
IT67966A 1989-11-07 1989-11-07 SPARK PLUG FOR MOTOR VEHICLES IT1238515B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT67966A IT1238515B (en) 1989-11-07 1989-11-07 SPARK PLUG FOR MOTOR VEHICLES
EP90830498A EP0429407A1 (en) 1989-11-07 1990-10-30 A spark plug for motor vehicles
JP2297018A JPH03165480A (en) 1989-11-07 1990-10-31 Ignition plug for automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67966A IT1238515B (en) 1989-11-07 1989-11-07 SPARK PLUG FOR MOTOR VEHICLES

Publications (3)

Publication Number Publication Date
IT8967966A0 IT8967966A0 (en) 1989-11-07
IT8967966A1 IT8967966A1 (en) 1991-05-07
IT1238515B true IT1238515B (en) 1993-08-18

Family

ID=11306798

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67966A IT1238515B (en) 1989-11-07 1989-11-07 SPARK PLUG FOR MOTOR VEHICLES

Country Status (3)

Country Link
EP (1) EP0429407A1 (en)
JP (1) JPH03165480A (en)
IT (1) IT1238515B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4965471B2 (en) * 2008-01-23 2012-07-04 日本特殊陶業株式会社 Spark plug
WO2014013722A1 (en) * 2012-07-17 2014-01-23 日本特殊陶業株式会社 Spark plug, and production method therefor.
KR101722345B1 (en) * 2012-07-17 2017-03-31 니혼도꾸슈도교 가부시키가이샤 spark plug

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR563308A (en) * 1923-02-22 1923-12-03 Removable spark plug for internal combustion engines
FR765542A (en) * 1933-03-04 1934-06-12 Spark plug
FR1112548A (en) * 1954-10-13 1956-03-15 J M J Ets Advanced spark plug

Also Published As

Publication number Publication date
JPH03165480A (en) 1991-07-17
IT8967966A1 (en) 1991-05-07
IT8967966A0 (en) 1989-11-07
EP0429407A1 (en) 1991-05-29

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19951130