GB1126647A - Improvements in or relating to thermally responsive switch elements - Google Patents

Improvements in or relating to thermally responsive switch elements

Info

Publication number
GB1126647A
GB1126647A GB50170/66A GB5017066A GB1126647A GB 1126647 A GB1126647 A GB 1126647A GB 50170/66 A GB50170/66 A GB 50170/66A GB 5017066 A GB5017066 A GB 5017066A GB 1126647 A GB1126647 A GB 1126647A
Authority
GB
United Kingdom
Prior art keywords
strip
heater
channel
separated
defining portions
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
GB50170/66A
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of GB1126647A publication Critical patent/GB1126647A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H61/00—Electrothermal relays
    • H01H61/02—Electrothermal relays wherein the thermally-sensitive member is heated indirectly, e.g. resistively, inductively

Landscapes

  • Thermally Actuated Switches (AREA)

Abstract

1,126,647. Temperature responsive actuating elements. GENERAL ELECTRIC CO. Nov. 9, 1966 [Dec. 30, 1965] No. 50170/66. Heading G1D. [Also in Division H1] A thermally responsive switch element comprises a bi-metallic strip 12 carrying a contact 21, strip 12 including a plurality of integrally formed channel-defining portions 40, 42, 43 separated from each other by slits 38, 39 and spaced alternately in opposite directions from the top and bottom surfaces 36, 37 of the remainder of the strip 12, and on electrical heater 23 securely mounted in the channel, a first surface portion of heater 23 confronting the top surface 36 of strip 12 in one of the channel-defining portions 42, and a second surface portion of heater 23 confronting the bottom surface 37 of strip 12 in or adjacent one, 40, 43, of the channel-defining portions. The strip 12 is mounted in a switch, separated at one end 14 by insulating blocks from the end of a second limitable strip (13) carrying a contact (22) but no heater, the contacts 21, (22) normally engaged, but separated when strip 12 deflect in response to the energization of heater 23. Strip 12 and (13) both deflect equal distances in the same direction in response to changes of ambient temperature to maintain the contacts touching when heater 23 is not energized.
GB50170/66A 1965-12-30 1966-11-09 Improvements in or relating to thermally responsive switch elements Expired GB1126647A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US517580A US3312802A (en) 1965-12-30 1965-12-30 Bimetal with heater mounted through a channel formed by alternately spaced portions separated by slits

Publications (1)

Publication Number Publication Date
GB1126647A true GB1126647A (en) 1968-09-11

Family

ID=24060384

Family Applications (1)

Application Number Title Priority Date Filing Date
GB50170/66A Expired GB1126647A (en) 1965-12-30 1966-11-09 Improvements in or relating to thermally responsive switch elements

Country Status (10)

Country Link
US (1) US3312802A (en)
JP (1) JPS4210005B1 (en)
BE (1) BE691999A (en)
CH (1) CH456728A (en)
DE (1) DE1640197B2 (en)
ES (1) ES335014A1 (en)
FR (1) FR1503488A (en)
GB (1) GB1126647A (en)
NL (1) NL155121B (en)
SE (1) SE335374B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3231136A1 (en) * 1982-08-21 1984-02-23 Limitor AG, 8022 Zürich BIMETAL CIRCUIT BREAKER

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3621432A (en) * 1970-04-27 1971-11-16 Itt Thermostat
US4339741A (en) * 1980-10-31 1982-07-13 Ray William A Thermally actuated time delay switch
AU1191683A (en) * 1982-03-03 1983-09-08 Paul Raymond Goodwin Electrically heatable differential thermal expansion devices
US5298876A (en) * 1993-04-30 1994-03-29 Gte Products Corporation Bi-metallic switch element
US7480123B2 (en) * 2005-10-12 2009-01-20 Msx, Incorporated Electrical receptacle

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2520906A (en) * 1946-06-22 1950-09-05 Photoswitch Inc Thermal microswitch
CA977480A (en) * 1970-01-19 1975-11-04 Franklin E. Bitting Solvent reactivatable neoprene resin based adhesive composition

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3231136A1 (en) * 1982-08-21 1984-02-23 Limitor AG, 8022 Zürich BIMETAL CIRCUIT BREAKER

Also Published As

Publication number Publication date
NL155121B (en) 1977-11-15
ES335014A1 (en) 1967-11-16
NL6617238A (en) 1967-07-03
US3312802A (en) 1967-04-04
CH456728A (en) 1968-07-31
SE335374B (en) 1971-05-24
FR1503488A (en) 1967-11-24
BE691999A (en) 1967-05-29
DE1640197B2 (en) 1976-12-30
JPS4210005B1 (en) 1967-05-26
DE1640197A1 (en) 1970-12-03

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