FR2089725A5 - - Google Patents
Info
- Publication number
- FR2089725A5 FR2089725A5 FR7113388A FR7113388A FR2089725A5 FR 2089725 A5 FR2089725 A5 FR 2089725A5 FR 7113388 A FR7113388 A FR 7113388A FR 7113388 A FR7113388 A FR 7113388A FR 2089725 A5 FR2089725 A5 FR 2089725A5
- Authority
- FR
- France
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2339470 | 1970-04-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2089725A5 true FR2089725A5 (en) | 1972-01-07 |
Family
ID=11206694
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7113388A Expired FR2089725A5 (en) | 1970-04-16 | 1971-04-15 |
Country Status (12)
Country | Link |
---|---|
US (1) | US3670125A (en) |
JP (1) | JPS5341346B1 (en) |
BE (1) | BE765779A (en) |
BR (1) | BR7102243D0 (en) |
CA (1) | CA938966A (en) |
CH (1) | CH535487A (en) |
DE (1) | DE2118166C3 (en) |
ES (1) | ES390208A1 (en) |
FR (1) | FR2089725A5 (en) |
GB (1) | GB1351860A (en) |
NO (1) | NO129596B (en) |
SE (1) | SE371531B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2233697A1 (en) * | 1973-06-14 | 1975-01-10 | Magrini Spa Galileo | |
DE102009009450A1 (en) * | 2009-02-13 | 2010-08-19 | Siemens Aktiengesellschaft | Switchgear arrangement |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH556603A (en) * | 1973-03-20 | 1974-11-29 | Bbc Brown Boveri & Cie | IN A SWITCHING CHAMBER OF AN ELECTRIC SWITCH, IN PARTICULAR A SF6 COMPRESSED GAS SWITCH, A COMPONENT MADE OF A MATERIAL EMITING GAS UNDER THE EFFECT OF ARC HEAT. |
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 |
WO2010112058A1 (en) * | 2009-03-30 | 2010-10-07 | Abb Research Ltd | Circuit breaker |
CN114496615B (en) * | 2022-02-14 | 2023-11-10 | 平高集团有限公司 | Spout connection structure and explosion chamber and circuit breaker |
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 (en) * | 1960-03-16 | 1964-07-31 | Oerlikon Maschf | Quenching device for circuit breakers with fixed and moving contacts |
US3291948A (en) * | 1964-08-06 | 1966-12-13 | Westinghouse Electric Corp | Orifice structure for compressed gas-circuit interrupter |
-
1971
- 1971-04-13 NO NO01355/71A patent/NO129596B/no unknown
- 1971-04-13 SE SE7104701A patent/SE371531B/xx unknown
- 1971-04-15 CA CA110491A patent/CA938966A/en not_active Expired
- 1971-04-15 DE DE2118166A patent/DE2118166C3/en not_active Expired
- 1971-04-15 FR FR7113388A patent/FR2089725A5/fr not_active Expired
- 1971-04-15 BE BE765779A patent/BE765779A/en unknown
- 1971-04-15 BR BR2243/71A patent/BR7102243D0/en unknown
- 1971-04-15 US US134269A patent/US3670125A/en not_active Expired - Lifetime
- 1971-04-15 ES ES390208A patent/ES390208A1/en not_active Expired
- 1971-04-16 CH CH557571A patent/CH535487A/en 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
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2233697A1 (en) * | 1973-06-14 | 1975-01-10 | Magrini Spa Galileo | |
DE102009009450A1 (en) * | 2009-02-13 | 2010-08-19 | Siemens Aktiengesellschaft | Switchgear arrangement |
Also Published As
Publication number | Publication date |
---|---|
SE371531B (en) | 1974-11-18 |
ES390208A1 (en) | 1973-06-16 |
GB1351860A (en) | 1974-05-01 |
CH535487A (en) | 1973-03-31 |
DE2118166C3 (en) | 1981-09-17 |
DE2118166B2 (en) | 1980-10-30 |
US3670125A (en) | 1972-06-13 |
NO129596B (en) | 1974-04-29 |
BR7102243D0 (en) | 1973-06-12 |
BE765779A (en) | 1971-10-15 |
JPS5341346B1 (en) | 1978-11-02 |
CA938966A (en) | 1973-12-25 |
DE2118166A1 (en) | 1971-10-28 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |