FR2417173B1 - AUTOPNEUMATIC COMPRESSED GAS CIRCUIT BREAKER - Google Patents
AUTOPNEUMATIC COMPRESSED GAS CIRCUIT BREAKERInfo
- Publication number
- FR2417173B1 FR2417173B1 FR797903257A FR7903257A FR2417173B1 FR 2417173 B1 FR2417173 B1 FR 2417173B1 FR 797903257 A FR797903257 A FR 797903257A FR 7903257 A FR7903257 A FR 7903257A FR 2417173 B1 FR2417173 B1 FR 2417173B1
- Authority
- FR
- France
- Prior art keywords
- autopneumatic
- circuit breaker
- compressed gas
- gas circuit
- compressed
- 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
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 |
---|---|---|---|
DE2805289A DE2805289C2 (en) | 1978-02-08 | 1978-02-08 | Auto-pneumatic pressure gas switch |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2417173A2 FR2417173A2 (en) | 1979-09-07 |
FR2417173B1 true FR2417173B1 (en) | 1985-07-26 |
Family
ID=6031427
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR797903257A Expired FR2417173B1 (en) | 1978-02-08 | 1979-02-08 | AUTOPNEUMATIC COMPRESSED GAS CIRCUIT BREAKER |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS54120871A (en) |
CH (1) | CH639797A5 (en) |
DE (1) | DE2805289C2 (en) |
FR (1) | FR2417173B1 (en) |
IT (1) | IT1166619B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5889736A (en) * | 1981-11-25 | 1983-05-28 | 株式会社東芝 | Buffer type gas breaker |
JPS61188825A (en) * | 1985-02-15 | 1986-08-22 | 株式会社日立製作所 | Buffer type gas breaker |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3291948A (en) * | 1964-08-06 | 1966-12-13 | Westinghouse Electric Corp | Orifice structure for compressed gas-circuit interrupter |
DE2336684A1 (en) * | 1973-07-19 | 1975-01-30 | Bbc Brown Boveri & Cie | Gas-blast cct. breaker with two nozzle contacts - has both contacts moving over different paths for arc extinguishing |
-
1978
- 1978-02-08 DE DE2805289A patent/DE2805289C2/en not_active Expired
-
1979
- 1979-02-01 JP JP976779A patent/JPS54120871A/en active Pending
- 1979-02-02 CH CH105279A patent/CH639797A5/en not_active IP Right Cessation
- 1979-02-07 IT IT19997/79A patent/IT1166619B/en active
- 1979-02-08 FR FR797903257A patent/FR2417173B1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2805289A1 (en) | 1979-08-09 |
FR2417173A2 (en) | 1979-09-07 |
DE2805289C2 (en) | 1984-06-07 |
IT1166619B (en) | 1987-05-05 |
JPS54120871A (en) | 1979-09-19 |
CH639797A5 (en) | 1983-11-30 |
IT7919997A0 (en) | 1979-02-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |