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FR570141A - Improvements to spark plugs for internal combustion engines - Google Patents

Improvements to spark plugs for internal combustion engines

Info

Publication number
FR570141A
FR570141A FR570141DA FR570141A FR 570141 A FR570141 A FR 570141A FR 570141D A FR570141D A FR 570141DA FR 570141 A FR570141 A FR 570141A
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
Edwin Fairhurst
Charles Barnes Hoare
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 FR570141A publication Critical patent/FR570141A/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
    • H01T13/39—Selection of materials for electrodes
FR570141D 1923-08-25 1923-08-25 Improvements to spark plugs for internal combustion engines Expired FR570141A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR570141T 1923-08-25

Publications (1)

Publication Number Publication Date
FR570141A true FR570141A (en) 1924-04-24

Family

ID=8949648

Family Applications (1)

Application Number Title Priority Date Filing Date
FR570141D Expired FR570141A (en) 1923-08-25 1923-08-25 Improvements to spark plugs for internal combustion engines

Country Status (1)

Country Link
FR (1) FR570141A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2285735A1 (en) * 1974-09-18 1976-04-16 Bosch Gmbh Robert ELECTRODE FOR SPARK PLUGS

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2285735A1 (en) * 1974-09-18 1976-04-16 Bosch Gmbh Robert ELECTRODE FOR SPARK PLUGS

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