GB1452304A - Thermo-magnetically operated switches - Google Patents

Thermo-magnetically operated switches

Info

Publication number
GB1452304A
GB1452304A GB5569073A GB5569073A GB1452304A GB 1452304 A GB1452304 A GB 1452304A GB 5569073 A GB5569073 A GB 5569073A GB 5569073 A GB5569073 A GB 5569073A GB 1452304 A GB1452304 A GB 1452304A
Authority
GB
United Kingdom
Prior art keywords
contacts
temperature
curie point
curie
range
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
GB5569073A
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.)
Tokin Corp
Original Assignee
Tohoku Metal Industries 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
Priority claimed from JP13706372U external-priority patent/JPS5330674Y2/ja
Application filed by Tohoku Metal Industries Ltd filed Critical Tohoku Metal Industries Ltd
Publication of GB1452304A publication Critical patent/GB1452304A/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
    • H01H37/58—Thermally-sensitive members actuated due to thermally controlled change of magnetic permeability
    • H01H37/585—Thermally-sensitive members actuated due to thermally controlled change of magnetic permeability the switch being of the reed switch type

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
GB5569073A 1972-11-30 1973-11-30 Thermo-magnetically operated switches Expired GB1452304A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP13706372 1972-11-30
JP13706372U JPS5330674Y2 (enExample) 1972-11-30 1972-11-30

Publications (1)

Publication Number Publication Date
GB1452304A true GB1452304A (en) 1976-10-13

Family

ID=26470489

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5569073A Expired GB1452304A (en) 1972-11-30 1973-11-30 Thermo-magnetically operated switches

Country Status (4)

Country Link
US (1) US3895328A (enExample)
DE (1) DE2359581A1 (enExample)
FR (1) FR2209198B1 (enExample)
GB (1) GB1452304A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2179350C1 (ru) * 2000-08-02 2002-02-10 Общество с ограниченной ответственностью Научно-производственная коммерческая фирма "Комплектстройсервис" Термочувствительный датчик

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4092586A (en) * 1975-10-20 1978-05-30 General Electric Company Temperature-sensing circuit
US4121184A (en) * 1975-10-20 1978-10-17 General Electric Company Electromagnetically controlled, temperature-sensitive (ECTS) reed switch with substantially hystersis free operation
JPS5544257Y2 (enExample) * 1975-10-23 1980-10-17
JPS5822655B2 (ja) * 1976-12-29 1983-05-10 トヨタ自動車株式会社 自動変速機の油圧制御装置
JPS5941256B2 (ja) * 1979-05-14 1984-10-05 東北金属工業株式会社 帯域動作型サ−マルリ−ドスイッチ
US4389628A (en) * 1980-06-02 1983-06-21 Tohoku Metal Industries, Ltd. Thermo-magnetically operated switches having two different operating temperatures
US4449094A (en) * 1981-06-10 1984-05-15 Westinghouse Electric Corp. Temperature compensated magnetic damping assembly for induction meters
US4509029A (en) * 1984-03-09 1985-04-02 Midwest Components, Inc. Thermally actuated switch
JPH0312188Y2 (enExample) * 1985-02-07 1991-03-22
JP2637410B2 (ja) * 1987-02-06 1997-08-06 株式会社 日本アレフ リードスイッチ装置
US5168545A (en) * 1991-02-13 1992-12-01 Robertshaw Controls Company Temperature operated control system, control device therefor, and methods of making the same
US7323667B2 (en) * 2005-03-18 2008-01-29 Pratt & Whitney Canada Corp. Curie temperature thermostat for a eddy current heating device and method
US7258526B2 (en) * 2005-03-18 2007-08-21 Pratt & Whitney Canada Corp. Eddy current heating for reducing transient thermal stresses in a rotor of a gas turbine engine
US7950590B2 (en) * 2008-03-14 2011-05-31 Schlumberger Technology Corporation Temperature triggered actuator
US8322417B2 (en) * 2008-03-14 2012-12-04 Schlumberger Technology Corporation Temperature triggered actuator for subterranean control systems
CN102360973A (zh) * 2011-10-09 2012-02-22 陆明岳 一种常开型温敏磁控开关的制造方法
EP2644826A1 (en) * 2012-03-27 2013-10-02 Siemens Aktiengesellschaft A system for inductive heating of turbine rotor disks
CN105047475B (zh) * 2015-08-12 2017-11-10 佛山市川东磁电股份有限公司 一种复合磁管及一种温敏磁控开关

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE567480A (enExample) * 1957-04-09
US3534306A (en) * 1967-05-02 1970-10-13 Gen Electric Solid state temperature sensor
US3649936A (en) * 1969-08-26 1972-03-14 Nippon Denso Co Temperature switch
US3812441A (en) * 1971-12-03 1974-05-21 Nippon Automation Kk Reed switch mechanism making use of heat-sensitive ferrite

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2179350C1 (ru) * 2000-08-02 2002-02-10 Общество с ограниченной ответственностью Научно-производственная коммерческая фирма "Комплектстройсервис" Термочувствительный датчик

Also Published As

Publication number Publication date
DE2359581A1 (de) 1974-07-18
US3895328A (en) 1975-07-15
FR2209198A1 (enExample) 1974-06-28
FR2209198B1 (enExample) 1977-09-30

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Legal Events

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

Effective date: 19931129