FR967580A - Improvements to thermal and thermoelectric safety devices - Google Patents

Improvements to thermal and thermoelectric safety devices

Info

Publication number
FR967580A
FR967580A FR967580DA FR967580A FR 967580 A FR967580 A FR 967580A FR 967580D A FR967580D A FR 967580DA FR 967580 A FR967580 A FR 967580A
Authority
FR
France
Prior art keywords
thermal
safety devices
thermoelectric safety
thermoelectric
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
Other languages
French (fr)
Inventor
Pierre Oudin
Georges Krauss
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 FR967580A publication Critical patent/FR967580A/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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR967580D 1948-06-15 1948-06-15 Improvements to thermal and thermoelectric safety devices Expired FR967580A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR967580T 1948-06-15

Publications (1)

Publication Number Publication Date
FR967580A true FR967580A (en) 1950-11-07

Family

ID=9500722

Family Applications (1)

Application Number Title Priority Date Filing Date
FR967580D Expired FR967580A (en) 1948-06-15 1948-06-15 Improvements to thermal and thermoelectric safety devices

Country Status (1)

Country Link
FR (1) FR967580A (en)

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