FR749775A - Appareil à déclanchement automatique sous l'action de la chaleur - Google Patents

Appareil à déclanchement automatique sous l'action de la chaleur

Info

Publication number
FR749775A
FR749775A FR749775DA FR749775A FR 749775 A FR749775 A FR 749775A FR 749775D A FR749775D A FR 749775DA FR 749775 A FR749775 A FR 749775A
Authority
FR
France
Prior art keywords
action
heat
automatic activation
activation under
under
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
English (en)
Inventor
Raymond-Joseph Lang
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 FR749775A publication Critical patent/FR749775A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B1/00—Systems for signalling characterised solely by the form of transmission of the signal
    • G08B1/08—Systems for signalling characterised solely by the form of transmission of the signal using electric transmission ; transformation of alarm signals to electrical signals from a different medium, e.g. transmission of an electric alarm signal upon detection of an audible alarm signal
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/14—Electrothermal mechanisms
    • H01H71/20—Electrothermal mechanisms with fusible mass
    • H01H71/205—Electrothermal mechanisms with fusible mass using a ratchet wheel kept against rotation by solder
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
    • H01H73/22—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism having electrothermal release and no other automatic release
    • H01H73/28—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism having electrothermal release and no other automatic release reset by rotatable knob or wheel

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Push-Button Switches (AREA)
FR749775D 1932-04-19 1932-04-19 Appareil à déclanchement automatique sous l'action de la chaleur Expired FR749775A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR749775T 1932-04-19
GB11282/33A GB422902A (en) 1932-04-19 1933-04-18 Improvements in automatic thermic cut-out and similar apparatus

Publications (1)

Publication Number Publication Date
FR749775A true FR749775A (fr) 1933-07-28

Family

ID=9983338

Family Applications (1)

Application Number Title Priority Date Filing Date
FR749775D Expired FR749775A (fr) 1932-04-19 1932-04-19 Appareil à déclanchement automatique sous l'action de la chaleur

Country Status (3)

Country Link
BE (1) BE395677A (fr)
FR (1) FR749775A (fr)
GB (1) GB422902A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3264437A (en) * 1963-09-06 1966-08-02 Imrich M Miller Automatically resettable thermal actuated switch

Also Published As

Publication number Publication date
GB422902A (en) 1935-01-14
BE395677A (fr) 1933-05-31

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