FR978618A - Fire detector with electrical contactor - Google Patents

Fire detector with electrical contactor

Info

Publication number
FR978618A
FR978618A FR978618DA FR978618A FR 978618 A FR978618 A FR 978618A FR 978618D A FR978618D A FR 978618DA FR 978618 A FR978618 A FR 978618A
Authority
FR
France
Prior art keywords
fire detector
electrical contactor
contactor
electrical
fire
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
Jean Belleville
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 FR978618A publication Critical patent/FR978618A/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

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
FR978618D 1948-11-24 1948-11-24 Fire detector with electrical contactor Expired FR978618A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR978618T 1948-11-24

Publications (1)

Publication Number Publication Date
FR978618A true FR978618A (en) 1951-04-16

Family

ID=9520645

Family Applications (1)

Application Number Title Priority Date Filing Date
FR978618D Expired FR978618A (en) 1948-11-24 1948-11-24 Fire detector with electrical contactor

Country Status (1)

Country Link
FR (1) FR978618A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2638838A1 (en) * 1988-11-10 1990-05-11 Ingersoll Rand Co SENSOR HAVING A FUSE DETECTOR FOR HIGH TEMPERATURE FLUIDS
FR2646909A1 (en) * 1989-05-10 1990-11-16 Ingersoll Rand Co SENSOR FOR DETECTING HIGH TEMPERATURE FLUID

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2638838A1 (en) * 1988-11-10 1990-05-11 Ingersoll Rand Co SENSOR HAVING A FUSE DETECTOR FOR HIGH TEMPERATURE FLUIDS
BE1004515A5 (en) * 1988-11-10 1992-12-08 Ingersoll Rand Co Detector fluid for high temperature.
FR2646909A1 (en) * 1989-05-10 1990-11-16 Ingersoll Rand Co SENSOR FOR DETECTING HIGH TEMPERATURE FLUID
BE1004518A5 (en) * 1989-05-10 1992-12-08 Ingersoll Rand Co Detector fluid for high temperature.

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