FR538672A - Device for automatically switching an electric current on or off - Google Patents

Device for automatically switching an electric current on or off

Info

Publication number
FR538672A
FR538672A FR538672DA FR538672A FR 538672 A FR538672 A FR 538672A FR 538672D A FR538672D A FR 538672DA FR 538672 A FR538672 A FR 538672A
Authority
FR
France
Prior art keywords
electric current
automatically switching
switching
automatically
electric
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
Alfonso De Gessler
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 FR538672A publication Critical patent/FR538672A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/74—Switches in which only the opening movement or only the closing movement of a contact is effected by heating or cooling
    • H01H37/76—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
FR538672D 1920-07-28 1921-07-25 Device for automatically switching an electric current on or off Expired FR538672A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE538672X 1920-07-28

Publications (1)

Publication Number Publication Date
FR538672A true FR538672A (en) 1922-06-13

Family

ID=6558253

Family Applications (1)

Application Number Title Priority Date Filing Date
FR538672D Expired FR538672A (en) 1920-07-28 1921-07-25 Device for automatically switching an electric current on or off

Country Status (1)

Country Link
FR (1) FR538672A (en)

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