FR647303A - Improvements to spark plugs for internal combustion engines - Google Patents

Improvements to spark plugs for internal combustion engines

Info

Publication number
FR647303A
FR647303A FR647303DA FR647303A FR 647303 A FR647303 A FR 647303A FR 647303D A FR647303D A FR 647303DA FR 647303 A FR647303 A FR 647303A
Authority
FR
France
Prior art keywords
internal combustion
combustion engines
spark plugs
spark
plugs
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
Other languages
French (fr)
Inventor
Maurice Eyquem
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 filed Critical
Application granted granted Critical
Publication of FR647303A publication Critical patent/FR647303A/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
    • H01T13/36—Sparking plugs characterised by features of the electrodes or insulation characterised by the joint between insulation and body, e.g. using cement
    • 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
    • H01T13/34—Sparking plugs characterised by features of the electrodes or insulation characterised by the mounting of electrodes in insulation, e.g. by embedding
FR647303D 1927-02-08 1927-12-20 Improvements to spark plugs for internal combustion engines Expired FR647303A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE1776424X 1927-02-08

Publications (1)

Publication Number Publication Date
FR647303A true FR647303A (en) 1928-11-22

Family

ID=3895109

Family Applications (1)

Application Number Title Priority Date Filing Date
FR647303D Expired FR647303A (en) 1927-02-08 1927-12-20 Improvements to spark plugs for internal combustion engines

Country Status (2)

Country Link
US (1) US1776424A (en)
FR (1) FR647303A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3257503A (en) * 1964-02-05 1966-06-21 Champion Spark Plug Co Spark plug with improved seal between the shell and insulator

Also Published As

Publication number Publication date
US1776424A (en) 1930-09-23

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