GB2007914B - Electric circuit breakers-arc chute repulsion - Google Patents

Electric circuit breakers-arc chute repulsion

Info

Publication number
GB2007914B
GB2007914B GB7845622A GB7845622A GB2007914B GB 2007914 B GB2007914 B GB 2007914B GB 7845622 A GB7845622 A GB 7845622A GB 7845622 A GB7845622 A GB 7845622A GB 2007914 B GB2007914 B GB 2007914B
Authority
GB
United Kingdom
Prior art keywords
repulsion
electric circuit
circuit breakers
arc chute
chute
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
GB7845622A
Other versions
GB2007914A (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.)
Dorman Smith Switchgear Ltd
Original Assignee
Dorman Smith Switchgear 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 Dorman Smith Switchgear Ltd filed Critical Dorman Smith Switchgear Ltd
Priority to GB7845622A priority Critical patent/GB2007914B/en
Priority claimed from US06/034,441 external-priority patent/US4247746A/en
Publication of GB2007914A publication Critical patent/GB2007914A/en
Application granted granted Critical
Publication of GB2007914B publication Critical patent/GB2007914B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
    • H01H9/36—Metal parts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H77/00—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting
    • H01H77/02—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism
    • H01H77/10—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electrodynamic opening
    • H01H77/107—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electrodynamic opening characterised by the blow-off force generating means, e.g. current loops
    • H01H77/108—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electrodynamic opening characterised by the blow-off force generating means, e.g. current loops comprising magnetisable elements, e.g. flux concentrator, linear slot motor

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Breakers (AREA)
GB7845622A 1977-10-04 1978-11-22 Electric circuit breakers-arc chute repulsion Expired GB2007914B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7845622A GB2007914B (en) 1977-10-04 1978-11-22 Electric circuit breakers-arc chute repulsion

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB4111777 1977-10-04
GB7845622A GB2007914B (en) 1977-10-04 1978-11-22 Electric circuit breakers-arc chute repulsion
US06/034,441 US4247746A (en) 1977-10-04 1979-04-30 Electric circuit breaker
EP79300747A EP0018454A1 (en) 1977-10-04 1979-05-01 Electric circuit breaker

Publications (2)

Publication Number Publication Date
GB2007914A GB2007914A (en) 1979-05-23
GB2007914B true GB2007914B (en) 1982-03-17

Family

ID=27440192

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7845622A Expired GB2007914B (en) 1977-10-04 1978-11-22 Electric circuit breakers-arc chute repulsion

Country Status (1)

Country Link
GB (1) GB2007914B (en)

Also Published As

Publication number Publication date
GB2007914A (en) 1979-05-23

Similar Documents

Publication Publication Date Title
DE2860124D1 (en) Fluid-blast circuit breaker
JPS53127685A (en) 33phase circuit breaker
JPS5450884A (en) Circuit breaker
JPS5437238A (en) Circuit breaker
GB2004699B (en) Electric circuit breakers
JPS5450880A (en) Circuit breaker
JPS5442655A (en) Circuit breaker
JPS5393373A (en) Circuit breaker
GB2007914B (en) Electric circuit breakers-arc chute repulsion
GB2004698B (en) Electric circuit breakers
JPS5427963A (en) Circuit breaker
JPS5441474A (en) Circuit breaker
JPS547580A (en) Circuit breaker
GB2004700B (en) Electric circuit breakers
JPS5412478A (en) Circuit breaker
JPS5463379A (en) Circuit breaker
JPS53122779A (en) Circuit breaker
JPS53139184A (en) Circuit breaker
JPS5412476A (en) Circuit breaker
JPS53147975A (en) Circuit breaker
JPS5435375A (en) Circuit breaker
JPS5463275A (en) Electric circuit breaker
GB1545600A (en) Circuit breakers
JPS5438574A (en) Circuit breaker
JPS5425472A (en) Circuit breaker

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee