FR538574A - Spark plug improvements for internal combustion engines - Google Patents

Spark plug improvements for internal combustion engines

Info

Publication number
FR538574A
FR538574A FR538574DA FR538574A FR 538574 A FR538574 A FR 538574A FR 538574D A FR538574D A FR 538574DA FR 538574 A FR538574 A FR 538574A
Authority
FR
France
Prior art keywords
internal combustion
spark plug
combustion engines
engines
spark
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
Wilhelm Bertil Bronander
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 FR538574A publication Critical patent/FR538574A/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
    • H01T13/28—Sparking plugs characterised by features of the electrodes or insulation having spherically shaped electrodes, e.g. ball-shaped
FR538574D 1921-02-11 1921-07-21 Spark plug improvements for internal combustion engines Expired FR538574A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US175237XA 1921-02-11 1921-02-11

Publications (1)

Publication Number Publication Date
FR538574A true FR538574A (en) 1922-06-12

Family

ID=21783069

Family Applications (1)

Application Number Title Priority Date Filing Date
FR538574D Expired FR538574A (en) 1921-02-11 1921-07-21 Spark plug improvements for internal combustion engines

Country Status (2)

Country Link
FR (1) FR538574A (en)
GB (1) GB175237A (en)

Also Published As

Publication number Publication date
GB175237A (en) 1922-07-27

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