IT994257B - SPARK PLUG FOR INTERNAL COMBUSTION ENGINES - Google Patents

SPARK PLUG FOR INTERNAL COMBUSTION ENGINES

Info

Publication number
IT994257B
IT994257B IT5252573A IT5252573A IT994257B IT 994257 B IT994257 B IT 994257B IT 5252573 A IT5252573 A IT 5252573A IT 5252573 A IT5252573 A IT 5252573A IT 994257 B IT994257 B IT 994257B
Authority
IT
Italy
Prior art keywords
internal combustion
spark plug
combustion engines
engines
spark
Prior art date
Application number
IT5252573A
Other languages
Italian (it)
Original Assignee
Nippon Denso Co
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 JP9398972A external-priority patent/JPS4949035A/ja
Priority claimed from JP9398872A external-priority patent/JPS4949034A/ja
Priority claimed from JP11704672A external-priority patent/JPS4973541A/ja
Priority claimed from JP11969772A external-priority patent/JPS4977044A/ja
Priority claimed from JP12084572A external-priority patent/JPS5540993B2/ja
Application filed by Nippon Denso Co filed Critical Nippon Denso Co
Application granted granted Critical
Publication of IT994257B publication Critical patent/IT994257B/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
    • H01T13/20—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
IT5252573A 1972-09-18 1973-09-14 SPARK PLUG FOR INTERNAL COMBUSTION ENGINES IT994257B (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP9398972A JPS4949035A (en) 1972-09-18 1972-09-18
JP9398872A JPS4949034A (en) 1972-09-18 1972-09-18
JP11704672A JPS4973541A (en) 1972-11-20 1972-11-20
JP11969772A JPS4977044A (en) 1972-11-29 1972-11-29
JP12084572A JPS5540993B2 (en) 1972-12-01 1972-12-01

Publications (1)

Publication Number Publication Date
IT994257B true IT994257B (en) 1975-10-20

Family

ID=27525671

Family Applications (1)

Application Number Title Priority Date Filing Date
IT5252573A IT994257B (en) 1972-09-18 1973-09-14 SPARK PLUG FOR INTERNAL COMBUSTION ENGINES

Country Status (2)

Country Link
FR (1) FR2320646A1 (en)
IT (1) IT994257B (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2120492A (en) * 1937-02-17 1938-06-14 Karl Werth Sparking plug
US2894162A (en) * 1957-11-18 1959-07-07 Ignatjev Feodor Spark plug for internal combustion engines

Also Published As

Publication number Publication date
DE2346663A1 (en) 1974-04-04
FR2320646A1 (en) 1977-03-04
FR2320646B1 (en) 1978-02-24
DE2346663B2 (en) 1977-02-03

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