GB2106246B - Rate of temperature change detectors - Google Patents

Rate of temperature change detectors

Info

Publication number
GB2106246B
GB2106246B GB08218734A GB8218734A GB2106246B GB 2106246 B GB2106246 B GB 2106246B GB 08218734 A GB08218734 A GB 08218734A GB 8218734 A GB8218734 A GB 8218734A GB 2106246 B GB2106246 B GB 2106246B
Authority
GB
United Kingdom
Prior art keywords
rate
temperature change
change detectors
detectors
temperature
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
GB08218734A
Other versions
GB2106246A (en
Inventor
David John Andrews
William Barrie Hart
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.)
Chubb Fire Ltd
Original Assignee
Chubb Fire Security Ltd
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 Chubb Fire Security Ltd filed Critical Chubb Fire Security Ltd
Priority to GB08301903A priority Critical patent/GB2114294B/en
Publication of GB2106246A publication Critical patent/GB2106246A/en
Application granted granted Critical
Publication of GB2106246B publication Critical patent/GB2106246B/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
    • H01H37/323—Thermally-sensitive members making use of shape memory materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H61/00—Electrothermal relays
    • H01H61/01—Details
    • H01H61/0107—Details making use of shape memory materials
    • H01H2061/0115—Shape memory alloy [SMA] actuator formed by coil spring

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fire-Detection Mechanisms (AREA)
GB08218734A 1981-07-14 1982-06-29 Rate of temperature change detectors Expired GB2106246B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08301903A GB2114294B (en) 1982-01-25 1983-01-24 Temperature transducer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8121643 1981-07-14
GB8201978 1982-01-25

Publications (2)

Publication Number Publication Date
GB2106246A GB2106246A (en) 1983-04-07
GB2106246B true GB2106246B (en) 1985-09-18

Family

ID=26280113

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08218734A Expired GB2106246B (en) 1981-07-14 1982-06-29 Rate of temperature change detectors

Country Status (5)

Country Link
EP (1) EP0070137A1 (en)
AU (1) AU8591582A (en)
CA (1) CA1166717A (en)
GB (1) GB2106246B (en)
NZ (1) NZ201202A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3400409A1 (en) * 1984-01-07 1985-07-18 Vdo Adolf Schindling Ag, 6000 Frankfurt TEMPERATURE SWITCH
JPH0218906Y2 (en) * 1985-04-11 1990-05-25
US6139180A (en) * 1998-03-27 2000-10-31 Vesuvius Crucible Company Method and system for testing the accuracy of a thermocouple probe used to measure the temperature of molten steel
CN106781189A (en) * 2016-12-23 2017-05-31 重庆山楂树科技有限公司 Fire-fighting warning device
CN106846702A (en) * 2017-03-29 2017-06-13 西南交通大学 A kind of fire triggering warning device based on shape memory polymer material

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR981648A (en) * 1949-01-07 1951-05-29 Etablissements Dorland Soc D Fire detector
US3634803A (en) * 1969-07-22 1972-01-11 Robertshaw Controls Co Temperature-responsive switch assemblies
US3594674A (en) * 1969-08-13 1971-07-20 Robertshaw Controls Co Temperature-responsive control devcies adjustably responsive to various operating temperatures
US3731247A (en) * 1971-01-08 1973-05-01 American Thermostat Corp High temperature sensing apparatus effective over extensive lengths
US3691501A (en) * 1971-04-30 1972-09-12 Robertshaw Controls Co Thermostat assemblies utilizing a heat expansive and contractive elastomeric material
DE2139852A1 (en) * 1971-08-09 1973-02-15 Battelle Institut E V SWITCHING ELEMENT WITH TEMPERATURE-DEPENDENT SWITCHING POSITION
DE3005470A1 (en) * 1980-01-14 1981-07-23 BBC AG Brown, Boveri & Cie., Baden, Aargau Thermo-mechanical overheating protective switch - has spring element of shape retaining alloy combined with manual or automatic resetting snap action mechanism

Also Published As

Publication number Publication date
EP0070137A1 (en) 1983-01-19
AU8591582A (en) 1983-01-20
CA1166717A (en) 1984-05-01
NZ201202A (en) 1984-10-19
GB2106246A (en) 1983-04-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee