GB493244A - Improvements in thermally actuated switches, relays and apparatus for fire detectionand like purposes - Google Patents

Improvements in thermally actuated switches, relays and apparatus for fire detectionand like purposes

Info

Publication number
GB493244A
GB493244A GB33682/37A GB3368237A GB493244A GB 493244 A GB493244 A GB 493244A GB 33682/37 A GB33682/37 A GB 33682/37A GB 3368237 A GB3368237 A GB 3368237A GB 493244 A GB493244 A GB 493244A
Authority
GB
United Kingdom
Prior art keywords
relay
fire
circuit
contacts
armature
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
GB33682/37A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB493244A publication Critical patent/GB493244A/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
    • H01H37/64—Contacts
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C23G1/04—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors
    • C23G1/06—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors organic inhibitors
    • C23G1/061—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors organic inhibitors nitrogen-containing compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Fire Alarms (AREA)
  • Fuses (AREA)
  • Thermally Actuated Switches (AREA)
GB33682/37A 1936-12-08 1937-12-06 Improvements in thermally actuated switches, relays and apparatus for fire detectionand like purposes Expired GB493244A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR493244X 1936-12-08

Publications (1)

Publication Number Publication Date
GB493244A true GB493244A (en) 1938-10-05

Family

ID=8904618

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33682/37A Expired GB493244A (en) 1936-12-08 1937-12-06 Improvements in thermally actuated switches, relays and apparatus for fire detectionand like purposes

Country Status (3)

Country Link
US (1) US2220752A (enrdf_load_stackoverflow)
GB (1) GB493244A (enrdf_load_stackoverflow)
NL (2) NL85370B (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2762887A (en) * 1951-09-08 1956-09-11 Champion Safe Top Co Thermal responsive device
US6847000B1 (en) * 2003-11-14 2005-01-25 Honeywell International Inc. Negative rate snap-acting switch apparatus and method
ITMI20120075A1 (it) * 2012-01-24 2013-07-25 Luigi Pietro Roveda Dispositivo di segnalamento di pericolo ghiaccio

Also Published As

Publication number Publication date
US2220752A (en) 1940-11-05
NL182326B (nl)
NL85370B (enrdf_load_stackoverflow)

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