GB1351860A - Circuit-breakers - Google Patents
Circuit-breakersInfo
- 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
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)
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 (es) |
JP (1) | JPS5341346B1 (es) |
BE (1) | BE765779A (es) |
BR (1) | BR7102243D0 (es) |
CA (1) | CA938966A (es) |
CH (1) | CH535487A (es) |
DE (1) | DE2118166C3 (es) |
ES (1) | ES390208A1 (es) |
FR (1) | FR2089725A5 (es) |
GB (1) | GB1351860A (es) |
NO (1) | NO129596B (es) |
SE (1) | SE371531B (es) |
Families Citing this family (7)
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 |
US4667072A (en) * | 1983-08-24 | 1987-05-19 | Hitachi, Ltd. | 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)
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 |
-
1971
- 1971-04-13 SE SE7104701A patent/SE371531B/xx unknown
- 1971-04-13 NO NO01355/71A patent/NO129596B/no unknown
- 1971-04-15 BE BE765779A patent/BE765779A/xx unknown
- 1971-04-15 CA CA110491A patent/CA938966A/en not_active Expired
- 1971-04-15 DE DE2118166A patent/DE2118166C3/de not_active Expired
- 1971-04-15 US US134269A patent/US3670125A/en not_active Expired - Lifetime
- 1971-04-15 BR BR2243/71A patent/BR7102243D0/pt unknown
- 1971-04-15 FR FR7113388A patent/FR2089725A5/fr not_active Expired
- 1971-04-15 ES ES390208A patent/ES390208A1/es not_active Expired
- 1971-04-16 CH CH557571A patent/CH535487A/de not_active IP Right Cessation
- 1971-04-16 JP JP2396271A patent/JPS5341346B1/ja active Pending
- 1971-04-19 GB GB2719771*A patent/GB1351860A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2118166A1 (de) | 1971-10-28 |
DE2118166C3 (de) | 1981-09-17 |
JPS5341346B1 (es) | 1978-11-02 |
CA938966A (en) | 1973-12-25 |
SE371531B (es) | 1974-11-18 |
BR7102243D0 (pt) | 1973-06-12 |
CH535487A (de) | 1973-03-31 |
ES390208A1 (es) | 1973-06-16 |
DE2118166B2 (de) | 1980-10-30 |
BE765779A (fr) | 1971-10-15 |
FR2089725A5 (es) | 1972-01-07 |
US3670125A (en) | 1972-06-13 |
NO129596B (es) | 1974-04-29 |
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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 |