GB1351860A - Circuit-breakers - Google Patents

Circuit-breakers

Info

Publication number
GB1351860A
GB1351860A GB2719771*A GB2719771A GB1351860A GB 1351860 A GB1351860 A GB 1351860A GB 2719771 A GB2719771 A GB 2719771A GB 1351860 A GB1351860 A GB 1351860A
Authority
GB
United Kingdom
Prior art keywords
zone
magrini
april
blast
nozzle
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
GB2719771*A
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.)
Magrini Fabbriche Riunite Magrini Scarpa e Magnano MSM SpA
Original Assignee
Magrini Fabbriche Riunite Magrini Scarpa e Magnano MSM SpA
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 Magrini Fabbriche Riunite Magrini Scarpa e Magnano MSM SpA filed Critical Magrini Fabbriche Riunite Magrini Scarpa e Magnano MSM SpA
Publication of GB1351860A publication Critical patent/GB1351860A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/7015—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts
    • H01H33/7023—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by an insulating tubular gas flow enhancing nozzle
    • H01H33/703—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by an insulating tubular gas flow enhancing nozzle having special gas flow directing elements, e.g. grooves, extensions

Landscapes

  • Circuit Breakers (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Duct Arrangements (AREA)
GB2719771*A 1970-04-16 1971-04-19 Circuit-breakers Expired GB1351860A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2339470 1970-04-16

Publications (1)

Publication Number Publication Date
GB1351860A true GB1351860A (en) 1974-05-01

Family

ID=11206694

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2719771*A Expired GB1351860A (en) 1970-04-16 1971-04-19 Circuit-breakers

Country Status (12)

Country Link
US (1) US3670125A (en:Method)
JP (1) JPS5341346B1 (en:Method)
BE (1) BE765779A (en:Method)
BR (1) BR7102243D0 (en:Method)
CA (1) CA938966A (en:Method)
CH (1) CH535487A (en:Method)
DE (1) DE2118166C3 (en:Method)
ES (1) ES390208A1 (en:Method)
FR (1) FR2089725A5 (en:Method)
GB (1) GB1351860A (en:Method)
NO (1) NO129596B (en:Method)
SE (1) SE371531B (en:Method)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH556603A (de) * 1973-03-20 1974-11-29 Bbc Brown Boveri & Cie In einer schaltkammer eines elektrischen schalters, insbesondere eines sf6-druckgasschalters, angeordneter bauteil aus unter der einwirkung der lichtbogenwaerme gasabgebendem werkstoff.
IT985690B (it) * 1973-06-14 1974-12-10 Magrini Fab Riun Scarpa Camera di interruzione per interrut tori elettrici a gas compresso auto soffiante
JPS5615818A (en) * 1979-07-19 1981-02-16 Makoto Kusakabe Filter chamber for shelter
CA1243342A (en) * 1983-08-24 1988-10-18 Fumihiro Endo Gas-insulated circuit breaker
DE102009009450A1 (de) * 2009-02-13 2010-08-19 Siemens Aktiengesellschaft Schaltgeräteanordnung
EP2415060B1 (en) * 2009-03-30 2017-07-26 ABB Research Ltd. Circuit breaker
CN114496615B (zh) * 2022-02-14 2023-11-10 平高集团有限公司 一种喷口连接结构及灭弧室和断路器

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3150245A (en) * 1957-09-13 1964-09-22 Westinghouse Electric Corp Liquefied gas circuit interrupters
CH380212A (de) * 1960-03-16 1964-07-31 Oerlikon Maschf Löscheinrichtung für Leistungsschalter mit feststehenden und bewegten Kontakten
US3291948A (en) * 1964-08-06 1966-12-13 Westinghouse Electric Corp Orifice structure for compressed gas-circuit interrupter

Also Published As

Publication number Publication date
JPS5341346B1 (en:Method) 1978-11-02
CA938966A (en) 1973-12-25
SE371531B (en:Method) 1974-11-18
DE2118166A1 (de) 1971-10-28
FR2089725A5 (en:Method) 1972-01-07
NO129596B (en:Method) 1974-04-29
ES390208A1 (es) 1973-06-16
CH535487A (de) 1973-03-31
BR7102243D0 (pt) 1973-06-12
BE765779A (fr) 1971-10-15
DE2118166C3 (de) 1981-09-17
US3670125A (en) 1972-06-13
DE2118166B2 (de) 1980-10-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee