FR689202A - Improvements made to electrical switches - Google Patents

Improvements made to electrical switches

Info

Publication number
FR689202A
FR689202A FR689202DA FR689202A FR 689202 A FR689202 A FR 689202A FR 689202D A FR689202D A FR 689202DA FR 689202 A FR689202 A FR 689202A
Authority
FR
France
Prior art keywords
improvements made
electrical switches
switches
electrical
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
Francesco Perrotti
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 FR689202A publication Critical patent/FR689202A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/22—Selection of fluids for arc-extinguishing
FR689202D 1930-01-31 1930-01-31 Improvements made to electrical switches Expired FR689202A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR689202T 1930-01-31

Publications (1)

Publication Number Publication Date
FR689202A true FR689202A (en) 1930-09-03

Family

ID=9027151

Family Applications (1)

Application Number Title Priority Date Filing Date
FR689202D Expired FR689202A (en) 1930-01-31 1930-01-31 Improvements made to electrical switches

Country Status (1)

Country Link
FR (1) FR689202A (en)

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