CA973598A - Blast nozzle units with radial holes for self-blasting compressed gas electric circuit-breakers - Google Patents
Blast nozzle units with radial holes for self-blasting compressed gas electric circuit-breakersInfo
- Publication number
- CA973598A CA973598A CA148,239A CA148239A CA973598A CA 973598 A CA973598 A CA 973598A CA 148239 A CA148239 A CA 148239A CA 973598 A CA973598 A CA 973598A
- Authority
- CA
- Canada
- Prior art keywords
- breakers
- self
- electric circuit
- compressed gas
- radial holes
- 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
- 238000005422 blasting Methods 0.000 title 1
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 |
|---|---|
| CA973598A true CA973598A (en) | 1975-08-26 |
Family
ID=11220694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA148,239A Expired CA973598A (en) | 1971-07-30 | 1972-07-28 | Blast nozzle units with radial holes for self-blasting compressed gas electric circuit-breakers |
Country Status (11)
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. |
| CA1243342A (en) * | 1983-08-24 | 1988-10-18 | Fumihiro Endo | 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 DE DE2236566A patent/DE2236566A1/de active Pending
- 1972-07-26 FR FR7226857A patent/FR2148031B1/fr not_active Expired
- 1972-07-26 US US00275219A patent/US3816684A/en not_active Expired - Lifetime
- 1972-07-28 BE BE786948A patent/BE786948A/xx unknown
- 1972-07-28 CA CA148,239A patent/CA973598A/en not_active Expired
- 1972-07-28 BR BR5080/72A patent/BR7205080D0/pt unknown
- 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 |
|---|---|
| BE786948A (fr) | 1973-01-29 |
| US3816684A (en) | 1974-06-11 |
| GB1400523A (en) | 1975-07-16 |
| FR2148031A1 (enrdf_load_stackoverflow) | 1973-03-11 |
| BR7205080D0 (pt) | 1973-06-28 |
| DE2236566A1 (de) | 1973-02-08 |
| NO134274B (enrdf_load_stackoverflow) | 1976-05-31 |
| SE372652B (enrdf_load_stackoverflow) | 1974-12-23 |
| ES405375A1 (es) | 1975-07-16 |
| CH546476A (de) | 1974-02-28 |
| NO134274C (enrdf_load_stackoverflow) | 1976-09-08 |
| FR2148031B1 (enrdf_load_stackoverflow) | 1977-06-17 |
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