FR491550A - Improvements in spark plugs - Google Patents

Improvements in spark plugs

Info

Publication number
FR491550A
FR491550A FR491550DA FR491550A FR 491550 A FR491550 A FR 491550A FR 491550D A FR491550D A FR 491550DA FR 491550 A FR491550 A FR 491550A
Authority
FR
France
Prior art keywords
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
John Alexander Turner
Andre Harms
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.)
ANDRE HARMS
Original Assignee
ANDRE HARMS
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 ANDRE HARMS filed Critical ANDRE HARMS
Application granted granted Critical
Publication of FR491550A publication Critical patent/FR491550A/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
    • H01T13/02—Details
    • H01T13/14—Means for self-cleaning
FR491550D 1917-05-17 1918-08-29 Improvements in spark plugs Expired FR491550A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB491550X 1917-05-17

Publications (1)

Publication Number Publication Date
FR491550A true FR491550A (en) 1919-06-06

Family

ID=1527540

Family Applications (1)

Application Number Title Priority Date Filing Date
FR491550D Expired FR491550A (en) 1917-05-17 1918-08-29 Improvements in spark plugs

Country Status (1)

Country Link
FR (1) FR491550A (en)

Similar Documents

Publication Publication Date Title
FR485212A (en) Improvements in spark plugs
FR491550A (en) Improvements in spark plugs
FR518294A (en) Improvements in spark plugs
FR495331A (en) Improvements in spark plugs
FR496667A (en) Improvements in spark plugs
FR504307A (en) Spark plug
FR521862A (en) Spark plug
FR484959A (en) Spark plug
FR485942A (en) Spark plug
FR486420A (en) Spark plug
FR493209A (en) Spark plug
FR495675A (en) Spark plug
FR20549E (en) Spark plug
FR518882A (en) Spark plug
FR484493A (en) Spark plug
FR522080A (en) Spark plug
FR522814A (en) Spark plug
FR485997A (en) Improvements in spark plugs for ignition pads
FR480217A (en) Improvements in the construction of spark plugs
FR487711A (en) Improvements in ignition magnetos
FR524488A (en) Improvements in spark plugs
FR492882A (en) Spark plug
FR518283A (en) Improvements made to spark plugs
FR488187A (en) Device for generating spark in spark plugs
FR22311E (en) Spark plug improvements