FR2148031B1 - - Google Patents
Info
- Publication number
- FR2148031B1 FR2148031B1 FR7226857A FR7226857A FR2148031B1 FR 2148031 B1 FR2148031 B1 FR 2148031B1 FR 7226857 A FR7226857 A FR 7226857A FR 7226857 A FR7226857 A FR 7226857A FR 2148031 B1 FR2148031 B1 FR 2148031B1
- 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 |
|---|---|---|---|
| IT2698771 | 1971-07-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2148031A1 FR2148031A1 (https=) | 1973-03-11 |
| FR2148031B1 true FR2148031B1 (https=) | 1977-06-17 |
Family
ID=11220694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7226857A Expired FR2148031B1 (https=) | 1971-07-30 | 1972-07-26 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3816684A (https=) |
| BE (1) | BE786948A (https=) |
| BR (1) | BR7205080D0 (https=) |
| CA (1) | CA973598A (https=) |
| CH (1) | CH546476A (https=) |
| DE (1) | DE2236566A1 (https=) |
| ES (1) | ES405375A1 (https=) |
| FR (1) | FR2148031B1 (https=) |
| GB (1) | GB1400523A (https=) |
| NO (1) | NO134274C (https=) |
| SE (1) | SE372652B (https=) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH648689A5 (de) * | 1979-08-15 | 1985-03-29 | Bbc Brown Boveri & Cie | Leistungsschalter. |
| US4667072A (en) * | 1983-08-24 | 1987-05-19 | Hitachi, Ltd. | Gas-insulated circuit breaker |
| JPS61188825A (ja) * | 1985-02-15 | 1986-08-22 | 株式会社日立製作所 | パツフア式ガス遮断器 |
| JP2771305B2 (ja) * | 1990-03-13 | 1998-07-02 | 株式会社日立製作所 | ガス遮断器 |
| DE10156535C1 (de) * | 2001-11-14 | 2003-06-26 | Siemens Ag | Leistungsschalter |
| EP2415060B1 (en) * | 2009-03-30 | 2017-07-26 | ABB Research Ltd. | Circuit breaker |
| CN106841573A (zh) * | 2017-04-12 | 2017-06-13 | 中铁西北科学研究院有限公司 | 一种泥石流模拟试验装置及试验方法 |
-
1972
- 1972-07-25 SE SE7209697A patent/SE372652B/xx unknown
- 1972-07-25 NO NO2650/72A patent/NO134274C/no unknown
- 1972-07-26 FR FR7226857A patent/FR2148031B1/fr not_active Expired
- 1972-07-26 US US00275219A patent/US3816684A/en not_active Expired - Lifetime
- 1972-07-26 DE DE2236566A patent/DE2236566A1/de active Pending
- 1972-07-28 BR BR5080/72A patent/BR7205080D0/pt unknown
- 1972-07-28 BE BE786948A patent/BE786948A/xx unknown
- 1972-07-28 CA CA148,239A patent/CA973598A/en not_active Expired
- 1972-07-29 ES ES405375A patent/ES405375A1/es not_active Expired
- 1972-07-31 GB GB3571372A patent/GB1400523A/en not_active Expired
- 1972-07-31 CH CH1134072A patent/CH546476A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| GB1400523A (en) | 1975-07-16 |
| DE2236566A1 (de) | 1973-02-08 |
| ES405375A1 (es) | 1975-07-16 |
| BR7205080D0 (pt) | 1973-06-28 |
| NO134274C (https=) | 1976-09-08 |
| CA973598A (en) | 1975-08-26 |
| FR2148031A1 (https=) | 1973-03-11 |
| BE786948A (fr) | 1973-01-29 |
| CH546476A (de) | 1974-02-28 |
| NO134274B (https=) | 1976-05-31 |
| US3816684A (en) | 1974-06-11 |
| SE372652B (https=) | 1974-12-23 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |