IT1131489B - Interruttore azionato termomagneticamente avente due temperature di funzionamento diverse - Google Patents

Interruttore azionato termomagneticamente avente due temperature di funzionamento diverse

Info

Publication number
IT1131489B
IT1131489B IT22053/80A IT2205380A IT1131489B IT 1131489 B IT1131489 B IT 1131489B IT 22053/80 A IT22053/80 A IT 22053/80A IT 2205380 A IT2205380 A IT 2205380A IT 1131489 B IT1131489 B IT 1131489B
Authority
IT
Italy
Prior art keywords
thermomagnetically
different operating
operating temperatures
operated switch
operated
Prior art date
Application number
IT22053/80A
Other languages
English (en)
Other versions
IT8022053A0 (it
Inventor
Endo Masanori
Horiuchi Kentaro
Original Assignee
Tohoku Metal Ind 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 Tohoku Metal Ind Ltd filed Critical Tohoku Metal Ind Ltd
Publication of IT8022053A0 publication Critical patent/IT8022053A0/it
Application granted granted Critical
Publication of IT1131489B publication Critical patent/IT1131489B/it

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)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
IT22053/80A 1979-05-14 1980-05-14 Interruttore azionato termomagneticamente avente due temperature di funzionamento diverse IT1131489B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP54057981A JPS5941256B2 (ja) 1979-05-14 1979-05-14 帯域動作型サ−マルリ−ドスイッチ

Publications (2)

Publication Number Publication Date
IT8022053A0 IT8022053A0 (it) 1980-05-14
IT1131489B true IT1131489B (it) 1986-06-25

Family

ID=13071180

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22053/80A IT1131489B (it) 1979-05-14 1980-05-14 Interruttore azionato termomagneticamente avente due temperature di funzionamento diverse

Country Status (6)

Country Link
US (1) US4325042A (it)
JP (1) JPS5941256B2 (it)
DE (1) DE3018284C2 (it)
FR (1) FR2457010A1 (it)
GB (1) GB2052868B (it)
IT (1) IT1131489B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (it) * 1985-02-07 1991-03-22
JPH04272680A (ja) * 1990-09-20 1992-09-29 Thermon Mfg Co スイッチ制御形ゾーン式加熱ケーブル及びその組み立て方法
US5168545A (en) * 1991-02-13 1992-12-01 Robertshaw Controls Company Temperature operated control system, control device therefor, and methods of making the same

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3295081A (en) * 1964-07-21 1966-12-27 American Radiator & Standard Thermo-magnetically operated switches
FR1549349A (it) * 1966-09-23 1968-12-13
DE2034146C3 (de) * 1969-08-26 1975-04-17 Nippondenso K.K., Kariya, Aichi (Japan) Magnetothermischer Schalter
DE2359581A1 (de) * 1972-11-30 1974-07-18 Tohoku Metal Ind Ltd Thermomagnetisch gesteuerter schalter
JPS5533582B2 (it) * 1973-09-27 1980-09-01
JPS543733Y2 (it) * 1974-06-07 1979-02-21
US4121184A (en) * 1975-10-20 1978-10-17 General Electric Company Electromagnetically controlled, temperature-sensitive (ECTS) reed switch with substantially hystersis free operation
JPS5544257Y2 (it) * 1975-10-23 1980-10-17

Also Published As

Publication number Publication date
FR2457010B1 (it) 1984-11-16
JPS5941256B2 (ja) 1984-10-05
JPS5615518A (en) 1981-02-14
FR2457010A1 (fr) 1980-12-12
DE3018284A1 (de) 1981-01-15
DE3018284C2 (de) 1984-04-12
US4325042A (en) 1982-04-13
GB2052868A (en) 1981-01-28
IT8022053A0 (it) 1980-05-14
GB2052868B (en) 1983-03-23

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