CA972849A - Rate of rise thermal detector - Google Patents

Rate of rise thermal detector

Info

Publication number
CA972849A
CA972849A CA120,849A CA120849A CA972849A CA 972849 A CA972849 A CA 972849A CA 120849 A CA120849 A CA 120849A CA 972849 A CA972849 A CA 972849A
Authority
CA
Canada
Prior art keywords
rate
thermal detector
rise thermal
rise
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
CA120,849A
Other versions
CA120849S (en
Inventor
William C. Tipton
Joseph E. Langan
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.)
SPX Technologies Inc
Original Assignee
General Signal Corp
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 General Signal Corp filed Critical General Signal Corp
Application granted granted Critical
Publication of CA972849A publication Critical patent/CA972849A/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
    • H01H37/10—Compensation for variation of ambient temperature or pressure
    • 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
    • H01H37/74—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
    • H01H37/767—Normally open

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Measuring Fluid Pressure (AREA)
CA120,849A 1970-09-17 1971-08-18 Rate of rise thermal detector Expired CA972849A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7295070A 1970-09-17 1970-09-17

Publications (1)

Publication Number Publication Date
CA972849A true CA972849A (en) 1975-08-12

Family

ID=22110763

Family Applications (1)

Application Number Title Priority Date Filing Date
CA120,849A Expired CA972849A (en) 1970-09-17 1971-08-18 Rate of rise thermal detector

Country Status (3)

Country Link
US (1) US3717860A (en)
CA (1) CA972849A (en)
GB (1) GB1303979A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5729993U (en) * 1980-07-23 1982-02-17
US4577186A (en) * 1984-02-09 1986-03-18 Fire Detection Devices Ltd. Fire detector
GB2280294A (en) * 1993-07-19 1995-01-25 Benedict Chaplin Spencer Portable rate of change of temperature detector
AU303646S (en) * 2004-11-11 2005-10-26 Hochiki Co Thermal detector

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2147108A (en) * 1936-09-17 1939-02-14 Bendix Aviat Corp Rate of climb indicator
US2209193A (en) * 1937-08-03 1940-07-23 John H Derby Fire alarm switch
US3086860A (en) * 1956-07-25 1963-04-23 Commissariat Energie Atomique Porous metallic membranes and methods of manufacturing them
US2876097A (en) * 1957-03-28 1959-03-03 Purolator Products Inc Aluminum filters and method of production
US3255441A (en) * 1962-11-30 1966-06-07 Goodwin Smoke, flame, critical temperature and rate of temperature rise detector
US3303308A (en) * 1964-01-20 1967-02-07 Gilbert Levy Fire detection thermostat

Also Published As

Publication number Publication date
GB1303979A (en) 1973-01-24
US3717860A (en) 1973-02-20

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