GB1389497A - Temperature responsive switches - Google Patents

Temperature responsive switches

Info

Publication number
GB1389497A
GB1389497A GB2640072A GB2640072A GB1389497A GB 1389497 A GB1389497 A GB 1389497A GB 2640072 A GB2640072 A GB 2640072A GB 2640072 A GB2640072 A GB 2640072A GB 1389497 A GB1389497 A GB 1389497A
Authority
GB
United Kingdom
Prior art keywords
ferrite
curie point
permanent magnet
chip
ptc
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
GB2640072A
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.)
Honeywell Inc
Original Assignee
Honeywell Inc
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 Honeywell Inc filed Critical Honeywell Inc
Publication of GB1389497A publication Critical patent/GB1389497A/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
    • H01H37/68—Contacts sealed in evacuated or gas-filled tube
    • 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
    • H01H37/58—Thermally-sensitive members actuated due to thermally controlled change of magnetic permeability
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H61/00—Electrothermal relays
    • H01H61/01—Details
    • H01H61/013—Heating arrangements for operating relays

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Thermally Actuated Switches (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
GB2640072A 1971-08-06 1972-06-06 Temperature responsive switches Expired GB1389497A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA120024 1971-08-06

Publications (1)

Publication Number Publication Date
GB1389497A true GB1389497A (en) 1975-04-03

Family

ID=4090532

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2640072A Expired GB1389497A (en) 1971-08-06 1972-06-06 Temperature responsive switches

Country Status (9)

Country Link
US (1) US3760310A (enrdf_load_stackoverflow)
JP (1) JPS4828975A (enrdf_load_stackoverflow)
BE (1) BE786183A (enrdf_load_stackoverflow)
CA (1) CA921523A (enrdf_load_stackoverflow)
DE (1) DE2238341A1 (enrdf_load_stackoverflow)
FR (1) FR2148500A1 (enrdf_load_stackoverflow)
GB (1) GB1389497A (enrdf_load_stackoverflow)
IT (1) IT969323B (enrdf_load_stackoverflow)
NL (1) NL7210562A (enrdf_load_stackoverflow)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3936626A (en) * 1972-10-25 1976-02-03 Chemetron Corporation Method of heating comestibles
BE811146A (fr) * 1973-07-18 1974-06-17 Four electromagnetique de chauffage automatique et simultane a temperatures diverses de produits de nombre et dimension varies
US3976961A (en) * 1973-07-18 1976-08-24 Chemetron Corporation Sensor-detector assembly for microwave oven
JPS5186555A (ja) * 1975-01-24 1976-07-29 Toyo Boseki Nannenseihoriamidososeibutsu
US4004259A (en) * 1975-06-25 1977-01-18 Square D Company Temperature responsive electric switch
JPS5221417A (en) * 1975-08-11 1977-02-18 Teijin Ltd Preparation of polyamide fibers
JPS53253A (en) * 1976-06-25 1978-01-05 Toray Ind Inc Polycapsition with improved melt-spinning properties
SE8004951L (sv) * 1980-07-04 1982-02-11 Jonny Ruuth Termostat
JPS5744928A (en) * 1980-08-29 1982-03-13 Aisin Seiki Temperature switch
JPS5744929A (en) * 1980-08-29 1982-03-13 Aisin Seiki Temperature switch
US4414519A (en) * 1982-03-10 1983-11-08 Allied Corporation Temperature-sensitive relay
US4454491A (en) * 1982-05-10 1984-06-12 Allied Corporation Temperature sensing circuit breaker or switch
US4504809A (en) * 1982-12-13 1985-03-12 Lueker Jonathan C Miniature thermomagnetic relay
DE3444223A1 (de) * 1984-12-04 1986-06-05 Ranco Inc., Dublin, Ohio Schaltrelais
JPH01144460A (ja) * 1987-11-30 1989-06-06 Teijin Ltd ポリアミド組成物
US5462802A (en) * 1991-12-02 1995-10-31 Teijin Limited Polyamide hollow and/or non-circular fiber and process for making same
TW326049B (en) * 1993-12-22 1998-02-01 Du Pont Nylon containing nucleation additives
US5525948A (en) * 1994-12-02 1996-06-11 Poulsen; Peder U. Manually operated, electromagnetically resettable safety switch
US5742106A (en) * 1995-08-28 1998-04-21 Mikuni Corporation Thermo-sensitive actuator and idle speed controller employing the same
US5907202A (en) * 1995-08-28 1999-05-25 Mikuni Corporation Thermo-sensitive actuator and idle speed controller employing the same
US6020802A (en) * 1998-04-02 2000-02-01 Square D Company Circuit breaker including two magnetic coils and a positive temperature coefficient resistivity element
US20040150504A1 (en) * 2003-01-30 2004-08-05 Nicholson Warren Baxter Resettable ferromagnetic thermal switch
US20070057752A1 (en) * 2005-09-15 2007-03-15 Youfa Wang Heat actuated magnetic latching microswitch
US20170076899A1 (en) * 2015-09-15 2017-03-16 Boise State University Self-resetting power breaker
EP3659166B1 (en) * 2017-07-28 2022-04-27 Maggma Group IP Limited An improved switch
US11224098B2 (en) * 2018-11-01 2022-01-11 General Electric Company Systems and methods for passive heating of temperature-sensitive electronic components
US11509159B2 (en) * 2019-08-28 2022-11-22 Microsoft Technology Licensing, Llc System and method for thermal cutoff protection device control from an external component

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2718569A (en) * 1951-08-22 1955-09-20 Gunnard Z Johnston Circuit breakers
US3057978A (en) * 1960-10-24 1962-10-09 Mallory & Co Inc P R Thermo-magnetic contact device
DK131528B (da) * 1967-10-07 1975-07-28 Danfoss As Startkontakt for en enfaset motor.

Also Published As

Publication number Publication date
CA921523A (en) 1973-02-20
IT969323B (it) 1974-03-30
NL7210562A (enrdf_load_stackoverflow) 1973-02-08
FR2148500A1 (enrdf_load_stackoverflow) 1973-03-23
BE786183A (enrdf_load_stackoverflow) 1972-11-03
DE2238341A1 (de) 1973-02-15
JPS4828975A (enrdf_load_stackoverflow) 1973-04-17
US3760310A (en) 1973-09-18

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Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed