FR822229A - Automatic thermal warning device, intended in particular to serve as a fire alarm - Google Patents

Automatic thermal warning device, intended in particular to serve as a fire alarm

Info

Publication number
FR822229A
FR822229A FR822229DA FR822229A FR 822229 A FR822229 A FR 822229A FR 822229D A FR822229D A FR 822229DA FR 822229 A FR822229 A FR 822229A
Authority
FR
France
Prior art keywords
serve
intended
warning device
fire alarm
automatic thermal
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.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
Siemens AG
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 Siemens and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of FR822229A publication Critical patent/FR822229A/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)
FR822229D 1936-08-01 1937-05-25 Automatic thermal warning device, intended in particular to serve as a fire alarm Expired FR822229A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE822229X 1936-08-01

Publications (1)

Publication Number Publication Date
FR822229A true FR822229A (en) 1937-12-23

Family

ID=9280790

Family Applications (1)

Application Number Title Priority Date Filing Date
FR822229D Expired FR822229A (en) 1936-08-01 1937-05-25 Automatic thermal warning device, intended in particular to serve as a fire alarm

Country Status (2)

Country Link
BE (1) BE421739A (en)
FR (1) FR822229A (en)

Also Published As

Publication number Publication date
BE421739A (en) 1937-06-30

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