GB1502640A - Fire sensing device - Google Patents

Fire sensing device

Info

Publication number
GB1502640A
GB1502640A GB9892/75A GB989275A GB1502640A GB 1502640 A GB1502640 A GB 1502640A GB 9892/75 A GB9892/75 A GB 9892/75A GB 989275 A GB989275 A GB 989275A GB 1502640 A GB1502640 A GB 1502640A
Authority
GB
United Kingdom
Prior art keywords
march
diaphragm
contacts
bimetal
acted
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
GB9892/75A
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.)
Hochiki Corp
Original Assignee
Hochiki 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
Priority claimed from JP1974027613U external-priority patent/JPS5744459Y2/ja
Priority claimed from JP2839374U external-priority patent/JPS50118888U/ja
Priority claimed from JP3557174U external-priority patent/JPS50124885U/ja
Priority claimed from JP1974055454U external-priority patent/JPS5760144Y2/ja
Priority claimed from JP1974058364U external-priority patent/JPS5725353Y2/ja
Application filed by Hochiki Corp filed Critical Hochiki Corp
Publication of GB1502640A publication Critical patent/GB1502640A/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
    • H01H37/52—Thermally-sensitive members actuated due to deflection of bimetallic element
    • H01H37/54—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K3/00—Thermometers giving results other than momentary value of temperature
    • G01K3/08—Thermometers giving results other than momentary value of temperature giving differences of values; giving differentiated values
    • G01K3/10—Thermometers giving results other than momentary value of temperature giving differences of values; giving differentiated values in respect of time, e.g. reacting only to a quick change of temperature
    • G01K3/12—Thermometers giving results other than momentary value of temperature giving differences of values; giving differentiated values in respect of time, e.g. reacting only to a quick change of temperature based upon expansion or contraction of materials
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K5/00—Measuring temperature based on the expansion or contraction of a material
    • G01K5/48—Measuring temperature based on the expansion or contraction of a material the material being a solid
    • G01K5/56—Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid
    • G01K5/62—Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid the solid body being formed of compounded strips or plates, e.g. bimetallic strip
    • G01K5/70—Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid the solid body being formed of compounded strips or plates, e.g. bimetallic strip specially adapted for indicating or recording
    • G01K5/72—Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid the solid body being formed of compounded strips or plates, e.g. bimetallic strip specially adapted for indicating or recording with electric transmission means for final indication
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Detection Mechanisms (AREA)
GB9892/75A 1974-03-08 1975-03-10 Fire sensing device Expired GB1502640A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP1974027613U JPS5744459Y2 (US07223432-20070529-C00017.png) 1974-03-08 1974-03-08
JP2839374U JPS50118888U (US07223432-20070529-C00017.png) 1974-03-12 1974-03-12
JP3557174U JPS50124885U (US07223432-20070529-C00017.png) 1974-03-27 1974-03-27
JP1974055454U JPS5760144Y2 (US07223432-20070529-C00017.png) 1974-05-17 1974-05-17
JP1974058364U JPS5725353Y2 (US07223432-20070529-C00017.png) 1974-05-22 1974-05-22

Publications (1)

Publication Number Publication Date
GB1502640A true GB1502640A (en) 1978-03-01

Family

ID=27520943

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9892/75A Expired GB1502640A (en) 1974-03-08 1975-03-10 Fire sensing device

Country Status (8)

Country Link
US (1) US4020442A (US07223432-20070529-C00017.png)
AU (1) AU502484B2 (US07223432-20070529-C00017.png)
CA (1) CA1017775A (US07223432-20070529-C00017.png)
DE (1) DE2509894C2 (US07223432-20070529-C00017.png)
FR (1) FR2263005B1 (US07223432-20070529-C00017.png)
GB (1) GB1502640A (US07223432-20070529-C00017.png)
NO (1) NO140154C (US07223432-20070529-C00017.png)
SE (1) SE402993B (US07223432-20070529-C00017.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2174548A (en) * 1985-04-11 1986-11-05 Nittan Co Ltd Combination heat-sensing fire detector
ITPD20100084A1 (it) * 2010-03-17 2011-09-18 Euroflex Srl Sonda di rilevamento dati in recipienti di liquidi soggetti a formazione di calcare

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2826205C2 (de) * 1978-06-15 1986-11-20 Inter Control Hermann Köhler Elektrik GmbH & Co KG, 8500 Nürnberg Temperatursicherung für elektrische Geräte
GB2299859B (en) * 1995-04-10 1999-07-28 Otter Controls Ltd Thermally responsive steam sensor device
DE19706316C2 (de) * 1997-02-18 1999-10-21 Inter Control Koehler Hermann Thermische Schalteinrichtung, sowie Verfahren zu dessen Herstellung
CN112525365B (zh) * 2020-11-27 2022-06-17 国网山东省电力公司东营供电公司 一种用于电力设备的高温预警保护装置
CN113834577B (zh) * 2021-11-04 2023-07-21 华南理工大学 一种用于建筑热环境监测的温度检测机构

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1172880A (en) * 1915-12-02 1916-02-22 William L Denio Thermostat.
US2066700A (en) * 1929-08-26 1937-01-05 Frank M Sloagh Measuring mechanism
US2413140A (en) * 1941-12-12 1946-12-24 Fire Devices Inc Thermostat
GB599228A (en) * 1944-11-13 1948-03-08 Asea Ab Spring mechanism for causing rapid movement of electric switch contacts, or valves
US2420775A (en) * 1945-01-06 1947-05-20 William B Griffith Thermostatic switch
CH499329A (de) * 1968-11-25 1970-11-30 Matsushita Electric Works Ltd Feuermelder
CH528142A (de) * 1971-02-24 1972-09-15 Bbc Brown Boveri & Cie Druckabhängiger temperaturkompensierter Schalter

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2174548A (en) * 1985-04-11 1986-11-05 Nittan Co Ltd Combination heat-sensing fire detector
GB2174548B (en) * 1985-04-11 1989-06-21 Nittan Co Ltd Combination heat-sensing fire detector
ITPD20100084A1 (it) * 2010-03-17 2011-09-18 Euroflex Srl Sonda di rilevamento dati in recipienti di liquidi soggetti a formazione di calcare
WO2011114230A1 (en) * 2010-03-17 2011-09-22 Euroflex S.R.L. Data collection probe for liquid tanks subject to scale formation

Also Published As

Publication number Publication date
NO140154C (no) 1979-07-18
SE402993B (sv) 1978-07-24
AU7885775A (en) 1976-09-09
FR2263005A1 (US07223432-20070529-C00017.png) 1975-10-03
NO140154B (no) 1979-04-02
CA1017775A (en) 1977-09-20
SE7502548L (US07223432-20070529-C00017.png) 1975-09-09
NO750767L (US07223432-20070529-C00017.png) 1975-09-09
DE2509894A1 (de) 1975-10-09
FR2263005B1 (US07223432-20070529-C00017.png) 1977-11-18
US4020442A (en) 1977-04-26
AU502484B2 (en) 1979-07-26
DE2509894C2 (de) 1985-12-05

Similar Documents

Publication Publication Date Title
US2288517A (en) Thermostatic switch
GB1502640A (en) Fire sensing device
GB766825A (en) Improvements in or relating to electric switch devices responsive to fluid pressure
GB1157289A (en) Electric Pressure Relay
JPH03129621A (ja) サーモスタット装置
US2428838A (en) Thermostatic fire detector
US4057699A (en) Density control monitor with opposing bellows
GB1077825A (en) Fluid pressure-responsive devices
GB1369512A (en) Snap-action switch
US4381503A (en) Combination type fire detector
US2640896A (en) Thermostat device
GB1498828A (en) Electrical switch devices
US3250872A (en) Pressure switch with temperature setting of base pressures
US3594753A (en) Automatic tornado warning device
US3394885A (en) Heating controls
GB1230123A (US07223432-20070529-C00017.png)
GB1094944A (en) Improvements in or relating to fire detecting thermal electric switches
IT1320508B1 (it) Pressostato dotato di un interruttore di protezione termica.
US2879357A (en) Thermostatic controls
GB968739A (en) Improvements relating to refrigerating systems
GB1013286A (en) Diaphragm type pressure switch assembly and mounting
GB930652A (en) Improvements in electric thermostats
GB1425774A (en) Fluid pressure sensor device
US3123300A (en) Temperature responsive controller
RU30192U1 (ru) Датчик температуры

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19950309