FR505318A - Double ignition spark plug for internal combustion engines - Google Patents

Double ignition spark plug for internal combustion engines

Info

Publication number
FR505318A
FR505318A FR505318A FR505318DA FR505318A FR 505318 A FR505318 A FR 505318A FR 505318 A FR505318 A FR 505318A FR 505318D A FR505318D A FR 505318DA FR 505318 A FR505318 A FR 505318A
Authority
FR
France
Prior art keywords
internal combustion
spark plug
combustion engines
ignition spark
double ignition
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
FR505318A
Other languages
French (fr)
Inventor
Lewis Woodhead
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 FR505318A publication Critical patent/FR505318A/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
    • H01T13/22—Sparking plugs characterised by features of the electrodes or insulation having two or more electrodes embedded in insulation
FR505318A 1919-10-23 1919-10-23 Double ignition spark plug for internal combustion engines Expired FR505318A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR505318T 1919-10-23

Publications (1)

Publication Number Publication Date
FR505318A true FR505318A (en) 1920-07-28

Family

ID=8908405

Family Applications (1)

Application Number Title Priority Date Filing Date
FR505318A Expired FR505318A (en) 1919-10-23 1919-10-23 Double ignition spark plug for internal combustion engines

Country Status (1)

Country Link
FR (1) FR505318A (en)

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