FR502690A - Spark plug with removable electrode, for internal combustion engines - Google Patents

Spark plug with removable electrode, for internal combustion engines

Info

Publication number
FR502690A
FR502690A FR502690A FR502690DA FR502690A FR 502690 A FR502690 A FR 502690A FR 502690 A FR502690 A FR 502690A FR 502690D A FR502690D A FR 502690DA FR 502690 A FR502690 A FR 502690A
Authority
FR
France
Prior art keywords
internal combustion
spark plug
combustion engines
removable electrode
removable
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
FR502690A
Other languages
French (fr)
Inventor
Henri-Jean Boujard
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.)
HENRI JEAN BOUJARD
Original Assignee
HENRI JEAN BOUJARD
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 HENRI JEAN BOUJARD filed Critical HENRI JEAN BOUJARD
Application granted granted Critical
Publication of FR502690A publication Critical patent/FR502690A/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
    • H01T13/32—Sparking plugs characterised by features of the electrodes or insulation characterised by features of the earthed electrode
FR502690A 1917-10-20 1917-10-20 Spark plug with removable electrode, for internal combustion engines Expired FR502690A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR502690T 1917-10-20

Publications (1)

Publication Number Publication Date
FR502690A true FR502690A (en) 1920-05-22

Family

ID=8906549

Family Applications (1)

Application Number Title Priority Date Filing Date
FR502690A Expired FR502690A (en) 1917-10-20 1917-10-20 Spark plug with removable electrode, for internal combustion engines

Country Status (1)

Country Link
FR (1) FR502690A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2597718A (en) * 1949-10-17 1952-05-20 Karcher Floyde Josephine Field Spark plug
EP0358319A1 (en) * 1988-09-06 1990-03-14 General Motors Corporation Copper core side electrode spark plug shell

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2597718A (en) * 1949-10-17 1952-05-20 Karcher Floyde Josephine Field Spark plug
EP0358319A1 (en) * 1988-09-06 1990-03-14 General Motors Corporation Copper core side electrode spark plug shell

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