SE372652B - - Google Patents
Info
- Publication number
- SE372652B SE372652B SE7209697A SE969772A SE372652B SE 372652 B SE372652 B SE 372652B SE 7209697 A SE7209697 A SE 7209697A SE 969772 A SE969772 A SE 969772A SE 372652 B SE372652 B SE 372652B
- Authority
- SE
- Sweden
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 (1)
| Publication Number | Publication Date |
|---|---|
| SE372652B true SE372652B (de) | 1974-12-23 |
Family
ID=11220694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7209697A SE372652B (de) | 1971-07-30 | 1972-07-25 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3816684A (de) |
| BE (1) | BE786948A (de) |
| BR (1) | BR7205080D0 (de) |
| CA (1) | CA973598A (de) |
| CH (1) | CH546476A (de) |
| DE (1) | DE2236566A1 (de) |
| ES (1) | ES405375A1 (de) |
| FR (1) | FR2148031B1 (de) |
| GB (1) | GB1400523A (de) |
| NO (1) | NO134274C (de) |
| SE (1) | SE372652B (de) |
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 |
| WO2010112058A1 (en) * | 2009-03-30 | 2010-10-07 | 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 NO NO2650/72A patent/NO134274C/no unknown
- 1972-07-25 SE SE7209697A patent/SE372652B/xx unknown
- 1972-07-26 DE DE2236566A patent/DE2236566A1/de active Pending
- 1972-07-26 US US00275219A patent/US3816684A/en not_active Expired - Lifetime
- 1972-07-26 FR FR7226857A patent/FR2148031B1/fr not_active Expired
- 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/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2148031B1 (de) | 1977-06-17 |
| CH546476A (de) | 1974-02-28 |
| BR7205080D0 (pt) | 1973-06-28 |
| NO134274B (de) | 1976-05-31 |
| DE2236566A1 (de) | 1973-02-08 |
| BE786948A (fr) | 1973-01-29 |
| US3816684A (en) | 1974-06-11 |
| FR2148031A1 (de) | 1973-03-11 |
| ES405375A1 (es) | 1975-07-16 |
| GB1400523A (en) | 1975-07-16 |
| NO134274C (de) | 1976-09-08 |
| CA973598A (en) | 1975-08-26 |