FR520517A - Spark plug improvements - Google Patents

Spark plug improvements

Info

Publication number
FR520517A
FR520517A FR520517A FR520517DA FR520517A FR 520517 A FR520517 A FR 520517A FR 520517 A FR520517 A FR 520517A FR 520517D A FR520517D A FR 520517DA FR 520517 A FR520517 A FR 520517A
Authority
FR
France
Prior art keywords
spark plug
spark
plug
plug improvements
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
FR520517A
Other languages
French (fr)
Inventor
Arthur Vernon Ryder
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 by Individual filed Critical Individual
Application granted granted Critical
Publication of FR520517A publication Critical patent/FR520517A/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
FR520517A 1914-10-20 1920-07-09 Spark plug improvements Expired FR520517A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB520517X 1914-10-20

Publications (1)

Publication Number Publication Date
FR520517A true FR520517A (en) 1921-06-27

Family

ID=10462458

Family Applications (1)

Application Number Title Priority Date Filing Date
FR520517A Expired FR520517A (en) 1914-10-20 1920-07-09 Spark plug improvements

Country Status (1)

Country Link
FR (1) FR520517A (en)

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