FR21412E - Perfectionnements aux dispositifs de protection - Google Patents

Perfectionnements aux dispositifs de protection

Info

Publication number
FR21412E
FR21412E FR21412A FR21412DA FR21412E FR 21412 E FR21412 E FR 21412E FR 21412 A FR21412 A FR 21412A FR 21412D A FR21412D A FR 21412DA FR 21412 E FR21412 E FR 21412E
Authority
FR
France
Prior art keywords
protective devices
protective
devices
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
FR21412A
Other languages
English (en)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR21412E publication Critical patent/FR21412E/fr
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
    • H01T4/00—Overvoltage arresters using spark gaps
    • H01T4/10—Overvoltage arresters using spark gaps having a single gap or a plurality of gaps in parallel
    • H01T4/14—Arcing horns
    • 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
    • H01T4/00—Overvoltage arresters using spark gaps
    • H01T4/16—Overvoltage arresters using spark gaps having a plurality of gaps arranged in series
    • H01T4/20—Arrangements for improving potential distribution
FR21412A 1918-05-20 1919-05-19 Perfectionnements aux dispositifs de protection Expired FR21412E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US499765XA 1918-05-20 1918-05-20

Publications (1)

Publication Number Publication Date
FR21412E true FR21412E (fr) 1920-09-13

Family

ID=1534747

Family Applications (2)

Application Number Title Priority Date Filing Date
FR499765D Expired FR499765A (fr) 1918-05-20 1919-05-17 Perfectionnements aux dispositifs de protection
FR21412A Expired FR21412E (fr) 1918-05-20 1919-05-19 Perfectionnements aux dispositifs de protection

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR499765D Expired FR499765A (fr) 1918-05-20 1919-05-17 Perfectionnements aux dispositifs de protection

Country Status (1)

Country Link
FR (2) FR499765A (fr)

Also Published As

Publication number Publication date
FR499765A (fr) 1920-02-21

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