FR696259A - Further development of electric switches operating in gas - Google Patents
Further development of electric switches operating in gasInfo
- Publication number
- FR696259A FR696259A FR696259DA FR696259A FR 696259 A FR696259 A FR 696259A FR 696259D A FR696259D A FR 696259DA FR 696259 A FR696259 A FR 696259A
- Authority
- FR
- France
- Prior art keywords
- gas
- further development
- electric switches
- switches operating
- operating
- 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
- H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
- H01H33/90—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism
- H01H33/91—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism the arc-extinguishing fluid being air or gas
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR696259T | 1929-09-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR696259A true FR696259A (en) | 1930-12-29 |
Family
ID=9046559
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR696259D Expired FR696259A (en) | 1929-09-11 | 1929-09-11 | Further development of electric switches operating in gas |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR696259A (en) |
GB (1) | GB369189A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE747995C (en) * | 1934-06-12 | 1944-10-23 | Compressed gas switch | |
US2957063A (en) * | 1958-03-07 | 1960-10-18 | Westinghouse Electric Corp | Pumped-gas circuit interrupter |
US2981815A (en) * | 1957-12-10 | 1961-04-25 | Westinghouse Electric Corp | Circuit interrupter |
EP0639843A1 (en) * | 1993-08-19 | 1995-02-22 | Fritz Driescher KG, Spezialfabrik für Elektrizitätswerksbedarf GmbH & Co. | Arc extinguishing chamber in particular for load break switch |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2653204A (en) * | 1949-01-27 | 1953-09-22 | Asea Ab | Equalizing device for air current in air blast circuit breakers |
GB184999A (en) * | 1962-05-07 | 1922-08-31 | Harry Ormiston Ormiston | An improved metallic paint or coating |
US3947650A (en) * | 1974-01-09 | 1976-03-30 | International Telephone And Telegraph Corporation | Gas-insulated switch for an underground power distrubution system |
JPS5828123A (en) * | 1981-08-12 | 1983-02-19 | 株式会社日立製作所 | Buffer type breaker |
-
1929
- 1929-09-11 FR FR696259D patent/FR696259A/en not_active Expired
-
1930
- 1930-09-10 GB GB27053/30A patent/GB369189A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE747995C (en) * | 1934-06-12 | 1944-10-23 | Compressed gas switch | |
US2981815A (en) * | 1957-12-10 | 1961-04-25 | Westinghouse Electric Corp | Circuit interrupter |
US2957063A (en) * | 1958-03-07 | 1960-10-18 | Westinghouse Electric Corp | Pumped-gas circuit interrupter |
EP0639843A1 (en) * | 1993-08-19 | 1995-02-22 | Fritz Driescher KG, Spezialfabrik für Elektrizitätswerksbedarf GmbH & Co. | Arc extinguishing chamber in particular for load break switch |
Also Published As
Publication number | Publication date |
---|---|
GB369189A (en) | 1932-03-17 |
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