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FR693431A - Improvements made to spark plugs - Google Patents

Improvements made to spark plugs

Info

Publication number
FR693431A
FR693431A FR693431DA FR693431A FR 693431 A FR693431 A FR 693431A FR 693431D A FR693431D A FR 693431DA FR 693431 A FR693431 A FR 693431A
Authority
FR
France
Prior art keywords
improvements made
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
Johan Jacobus Van Der Meeren
Cornelis Van Der Meeren
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 FR693431A publication Critical patent/FR693431A/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
    • H01T13/24—Sparking plugs characterised by features of the electrodes or insulation having movable electrodes
FR693431D 1930-04-05 1930-04-05 Improvements made to spark plugs Expired FR693431A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR693431T 1930-04-05

Publications (1)

Publication Number Publication Date
FR693431A true FR693431A (en) 1930-11-20

Family

ID=9041193

Family Applications (1)

Application Number Title Priority Date Filing Date
FR693431D Expired FR693431A (en) 1930-04-05 1930-04-05 Improvements made to spark plugs

Country Status (1)

Country Link
FR (1) FR693431A (en)

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