FR981648A - Fire detector - Google Patents

Fire detector

Info

Publication number
FR981648A
FR981648A FR981648DA FR981648A FR 981648 A FR981648 A FR 981648A FR 981648D A FR981648D A FR 981648DA FR 981648 A FR981648 A FR 981648A
Authority
FR
France
Prior art keywords
fire detector
fire
detector
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)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DORLAND SOC D Ets
Original Assignee
DORLAND SOC D Ets
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 by DORLAND SOC D Ets filed Critical DORLAND SOC D Ets
Application granted granted Critical
Publication of FR981648A publication Critical patent/FR981648A/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
    • H01H37/02—Details
    • H01H37/32—Thermally-sensitive members
    • H01H37/36—Thermally-sensitive members actuated due to expansion or contraction of a fluid with or without vaporisation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/02—Details
    • H01H37/32—Thermally-sensitive members
    • H01H37/46—Thermally-sensitive members actuated due to expansion or contraction of a solid

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
FR981648D 1949-01-07 1949-01-07 Fire detector Expired FR981648A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR981648T 1949-01-07

Publications (1)

Publication Number Publication Date
FR981648A true FR981648A (en) 1951-05-29

Family

ID=9534538

Family Applications (1)

Application Number Title Priority Date Filing Date
FR981648D Expired FR981648A (en) 1949-01-07 1949-01-07 Fire detector

Country Status (2)

Country Link
CH (1) CH278425A (en)
FR (1) FR981648A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0070137A1 (en) * 1981-07-14 1983-01-19 Chubb Fire Limited Rate of temperature change detectors, and fire alarm and fire extinguishing systems using such detectors

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0070137A1 (en) * 1981-07-14 1983-01-19 Chubb Fire Limited Rate of temperature change detectors, and fire alarm and fire extinguishing systems using such detectors

Also Published As

Publication number Publication date
CH278425A (en) 1951-10-15

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