GB1352228A - Circuit-breakers - Google Patents

Circuit-breakers

Info

Publication number
GB1352228A
GB1352228A GB2719871*A GB2719871A GB1352228A GB 1352228 A GB1352228 A GB 1352228A GB 2719871 A GB2719871 A GB 2719871A GB 1352228 A GB1352228 A GB 1352228A
Authority
GB
United Kingdom
Prior art keywords
zone
nozzle
blast
magrini
april
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
GB2719871*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 GB1352228A publication Critical patent/GB1352228A/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)
GB2719871*A 1970-04-16 1971-04-19 Circuit-breakers Expired GB1352228A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2339370 1970-04-16

Publications (1)

Publication Number Publication Date
GB1352228A true GB1352228A (en) 1974-05-08

Family

ID=11206685

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2719871*A Expired GB1352228A (en) 1970-04-16 1971-04-19 Circuit-breakers

Country Status (12)

Country Link
US (1) US3670124A (enrdf_load_stackoverflow)
JP (1) JPS5341345B1 (enrdf_load_stackoverflow)
BE (1) BE765778A (enrdf_load_stackoverflow)
BR (1) BR7102242D0 (enrdf_load_stackoverflow)
CA (1) CA933555A (enrdf_load_stackoverflow)
CH (1) CH535488A (enrdf_load_stackoverflow)
DE (1) DE2118167C3 (enrdf_load_stackoverflow)
ES (1) ES390207A1 (enrdf_load_stackoverflow)
FR (1) FR2089724A5 (enrdf_load_stackoverflow)
GB (1) GB1352228A (enrdf_load_stackoverflow)
NO (1) NO129595B (enrdf_load_stackoverflow)
SE (1) SE362531B (enrdf_load_stackoverflow)

Families Citing this family (5)

* 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.
CH629910A5 (en) * 1978-06-13 1982-05-14 Sprecher & Schuh Ag Gas-blast circuit breaker
US4339641A (en) * 1980-05-27 1982-07-13 General Electric Company Nozzle for a puffer-type circuit breaker
CA1243342A (en) * 1983-08-24 1988-10-18 Fumihiro Endo Gas-insulated circuit breaker
CN116844906A (zh) * 2023-05-31 2023-10-03 广东电网有限责任公司广州供电局 一种内腔外置式导体及使用其的真空断路器

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1307668A (fr) * 1961-12-07 1962-10-26 Brown Interrupteur pneumatique avec contact à tuyère
US3291948A (en) * 1964-08-06 1966-12-13 Westinghouse Electric Corp Orifice structure for compressed gas-circuit interrupter
FR1549097A (enrdf_load_stackoverflow) * 1967-01-03 1968-12-06

Also Published As

Publication number Publication date
CH535488A (de) 1973-03-31
SE362531B (enrdf_load_stackoverflow) 1973-12-10
DE2118167A1 (de) 1971-10-28
DE2118167C3 (de) 1981-09-17
FR2089724A5 (enrdf_load_stackoverflow) 1972-01-07
JPS5341345B1 (enrdf_load_stackoverflow) 1978-11-02
BE765778A (fr) 1971-10-15
CA933555A (en) 1973-09-11
ES390207A1 (es) 1973-07-01
US3670124A (en) 1972-06-13
NO129595B (enrdf_load_stackoverflow) 1974-04-29
DE2118167B2 (de) 1980-10-30
BR7102242D0 (pt) 1973-04-19

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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