BR7205080D0 - AN AXIAL JET INTERRUPTION CAMERA FOR AUTOMATIC EJECT CIRCUIT BREAKERS OPERATING COMPRESSED GAS - Google Patents
AN AXIAL JET INTERRUPTION CAMERA FOR AUTOMATIC EJECT CIRCUIT BREAKERS OPERATING COMPRESSED GASInfo
- Publication number
- BR7205080D0 BR7205080D0 BR5080/72A BR508072A BR7205080D0 BR 7205080 D0 BR7205080 D0 BR 7205080D0 BR 5080/72 A BR5080/72 A BR 5080/72A BR 508072 A BR508072 A BR 508072A BR 7205080 D0 BR7205080 D0 BR 7205080D0
- Authority
- BR
- Brazil
- Prior art keywords
- compressed gas
- circuit breakers
- axial jet
- operating compressed
- automatic eject
- Prior art date
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 |
---|---|
BR7205080D0 true BR7205080D0 (en) | 1973-06-28 |
Family
ID=11220694
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR5080/72A BR7205080D0 (en) | 1971-07-30 | 1972-07-28 | AN AXIAL JET INTERRUPTION CAMERA FOR AUTOMATIC EJECT CIRCUIT BREAKERS OPERATING COMPRESSED GAS |
Country Status (11)
Country | Link |
---|---|
US (1) | US3816684A (en) |
BE (1) | BE786948A (en) |
BR (1) | BR7205080D0 (en) |
CA (1) | CA973598A (en) |
CH (1) | CH546476A (en) |
DE (1) | DE2236566A1 (en) |
ES (1) | ES405375A1 (en) |
FR (1) | FR2148031B1 (en) |
GB (1) | GB1400523A (en) |
NO (1) | NO134274C (en) |
SE (1) | SE372652B (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH648689A5 (en) * | 1979-08-15 | 1985-03-29 | Bbc Brown Boveri & Cie | CIRCUIT BREAKER. |
US4667072A (en) * | 1983-08-24 | 1987-05-19 | Hitachi, Ltd. | Gas-insulated circuit breaker |
JPS61188825A (en) * | 1985-02-15 | 1986-08-22 | 株式会社日立製作所 | Buffer type gas breaker |
JP2771305B2 (en) * | 1990-03-13 | 1998-07-02 | 株式会社日立製作所 | Gas circuit breaker |
DE10156535C1 (en) * | 2001-11-14 | 2003-06-26 | Siemens Ag | breakers |
EP2415060B1 (en) * | 2009-03-30 | 2017-07-26 | ABB Research Ltd. | Circuit breaker |
CN106841573A (en) * | 2017-04-12 | 2017-06-13 | 中铁西北科学研究院有限公司 | A kind of debris flows simulation experimental rig and test method |
-
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/en 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 BR BR5080/72A patent/BR7205080D0/en unknown
- 1972-07-28 CA CA148,239A patent/CA973598A/en not_active Expired
- 1972-07-28 BE BE786948A patent/BE786948A/en unknown
- 1972-07-29 ES ES405375A patent/ES405375A1/en not_active Expired
- 1972-07-31 CH CH1134072A patent/CH546476A/en not_active IP Right Cessation
- 1972-07-31 GB GB3571372A patent/GB1400523A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2236566A1 (en) | 1973-02-08 |
NO134274C (en) | 1976-09-08 |
GB1400523A (en) | 1975-07-16 |
NO134274B (en) | 1976-05-31 |
CA973598A (en) | 1975-08-26 |
US3816684A (en) | 1974-06-11 |
ES405375A1 (en) | 1975-07-16 |
CH546476A (en) | 1974-02-28 |
BE786948A (en) | 1973-01-29 |
FR2148031A1 (en) | 1973-03-11 |
FR2148031B1 (en) | 1977-06-17 |
SE372652B (en) | 1974-12-23 |
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