GB2026246B - Electrical circuit-breaker - Google Patents

Electrical circuit-breaker

Info

Publication number
GB2026246B
GB2026246B GB7924823A GB7924823A GB2026246B GB 2026246 B GB2026246 B GB 2026246B GB 7924823 A GB7924823 A GB 7924823A GB 7924823 A GB7924823 A GB 7924823A GB 2026246 B GB2026246 B GB 2026246B
Authority
GB
United Kingdom
Prior art keywords
breaker
electrical circuit
electrical
circuit
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
GB7924823A
Other versions
GB2026246A (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.)
Delta Materials Research Ltd
Original Assignee
Delta Materials Research 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 Delta Materials Research Ltd filed Critical Delta Materials Research Ltd
Priority to GB7924823A priority Critical patent/GB2026246B/en
Publication of GB2026246A publication Critical patent/GB2026246A/en
Application granted granted Critical
Publication of GB2026246B publication Critical patent/GB2026246B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/2463—Electromagnetic mechanisms with plunger type armatures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/14—Electrothermal mechanisms
    • H01H71/145—Electrothermal mechanisms using shape memory materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H61/00—Electrothermal relays
    • H01H61/01—Details
    • H01H61/0107—Details making use of shape memory materials
    • H01H2061/0115—Shape memory alloy [SMA] actuator formed by coil spring

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Breakers (AREA)
GB7924823A 1978-07-21 1979-07-17 Electrical circuit-breaker Expired GB2026246B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7924823A GB2026246B (en) 1978-07-21 1979-07-17 Electrical circuit-breaker

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7830681 1978-07-21
GB7924823A GB2026246B (en) 1978-07-21 1979-07-17 Electrical circuit-breaker

Publications (2)

Publication Number Publication Date
GB2026246A GB2026246A (en) 1980-01-30
GB2026246B true GB2026246B (en) 1982-10-27

Family

ID=26268292

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7924823A Expired GB2026246B (en) 1978-07-21 1979-07-17 Electrical circuit-breaker

Country Status (1)

Country Link
GB (1) GB2026246B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4490975A (en) * 1983-03-14 1985-01-01 Raychem Corporation Self-protecting and conditioning memory metal actuator
US4684913A (en) * 1986-09-05 1987-08-04 Raychem Corporation Slider lifter
DE3637275C1 (en) * 1986-11-03 1988-05-05 Flohr Peter Overcurrent trip device for protection switching apparatuses
US4713643A (en) * 1986-12-23 1987-12-15 Raychem Corporation Low loss circuit breaker and actuator mechanism therefor
US4855195A (en) * 1988-07-11 1989-08-08 Eveready Battery Company, Inc. Electrochemical cell with internal circuit interrupter
DE9405745U1 (en) * 1994-03-09 1994-05-19 Siemens AG, 80333 München Overcurrent release
US8830026B2 (en) * 2010-12-30 2014-09-09 General Electric Company Shape memory alloy actuated circuit breaker
EP2840586A1 (en) * 2013-08-21 2015-02-25 Siemens Aktiengesellschaft Self-retention compression spring with housing

Also Published As

Publication number Publication date
GB2026246A (en) 1980-01-30

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee