FR548708A - Improvements to spark plugs for internal combustion engines - Google Patents

Improvements to spark plugs for internal combustion engines

Info

Publication number
FR548708A
FR548708A FR548708DA FR548708A FR 548708 A FR548708 A FR 548708A FR 548708D A FR548708D A FR 548708DA FR 548708 A FR548708 A FR 548708A
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
Sidney Le Fevre Varvel
Thomas Ernest Rofe
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 FR548708A publication Critical patent/FR548708A/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
    • H01T13/46—Sparking plugs having two or more spark gaps
    • H01T13/467—Sparking plugs having two or more spark gaps in parallel connection
FR548708D 1922-03-10 1922-03-10 Improvements to spark plugs for internal combustion engines Expired FR548708A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR548708T 1922-03-10

Publications (1)

Publication Number Publication Date
FR548708A true FR548708A (en) 1923-01-22

Family

ID=8935018

Family Applications (1)

Application Number Title Priority Date Filing Date
FR548708D Expired FR548708A (en) 1922-03-10 1922-03-10 Improvements to spark plugs for internal combustion engines

Country Status (1)

Country Link
FR (1) FR548708A (en)

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