FR1145701A - Circuit switches - Google Patents
Circuit switchesInfo
- Publication number
- FR1145701A FR1145701A FR1145701DA FR1145701A FR 1145701 A FR1145701 A FR 1145701A FR 1145701D A FR1145701D A FR 1145701DA FR 1145701 A FR1145701 A FR 1145701A
- Authority
- FR
- France
- Prior art keywords
- circuit switches
- switches
- circuit
- 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
- H01H33/02—Details
- H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
- H01H33/30—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator
- H01H33/32—Power arrangements internal to the switch for operating the driving mechanism using fluid actuator pneumatic
-
- 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
- H01H33/02—Details
- H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
- H01H33/56—Gas reservoirs
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US478636A US2824937A (en) | 1954-12-30 | 1954-12-30 | Circuit interrupters |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1145701A true FR1145701A (en) | 1957-10-29 |
Family
ID=23900749
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1145701D Expired FR1145701A (en) | 1954-12-30 | 1955-12-29 | Circuit switches |
Country Status (2)
Country | Link |
---|---|
US (1) | US2824937A (en) |
FR (1) | FR1145701A (en) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1206057B (en) * | 1958-04-29 | |||
DE1070266B (en) * | 1958-06-04 | |||
CH373445A (en) * | 1958-11-24 | 1963-11-30 | Asea Ab | Compressed air switch with power switching point and auxiliary switching point |
DE1102858B (en) * | 1958-12-23 | 1961-03-23 | Siemens Ag | Switch filled with gaseous extinguishing agent |
US3057983A (en) * | 1959-01-23 | 1962-10-09 | Westinghouse Electric Corp | Circuit interrupter |
US3303310A (en) * | 1959-03-04 | 1967-02-07 | Westinghouse Electric Corp | Dual-pressure circuit interrupter control device |
US3073931A (en) * | 1959-09-24 | 1963-01-15 | Westinghouse Electric Corp | Compressed-gas circuit interrupter |
US3045086A (en) * | 1959-11-10 | 1962-07-17 | Westinghouse Electric Corp | Circuit interrupters |
US3099733A (en) * | 1959-11-19 | 1963-07-30 | Westinghouse Electric Corp | Circuit interrupter |
US3258569A (en) * | 1961-02-15 | 1966-06-28 | Westinghouse Electric Corp | Truck-mounted compressed-gas circuit interrupter with tank-enclosed interrupting units and blast tubes in spaced vertical planes |
US3246108A (en) * | 1961-02-15 | 1966-04-12 | Westinghouse Electric Corp | Arc-extinguishing structure and tank housing for a compressed-gas circuit interrupter |
DE1168996B (en) * | 1961-03-27 | 1964-04-30 | Westinghouse Electric Corp | Compressed gas switch with filter |
US3189718A (en) * | 1961-08-16 | 1965-06-15 | Mitsubishi Electric Corp | Compressed-gas circuit interrupter with hydraulic operating means extending upwardly through supporting insulating column means |
US3214553A (en) * | 1964-07-09 | 1965-10-26 | Westinghouse Electric Corp | Gas-blast circuit interrupters with closed recirculating system having gas filtering means |
US3350528A (en) * | 1964-09-04 | 1967-10-31 | Ite Circuit Breaker Ltd | Dual pressure gas circuit breaker having movable bridging contact connected to blast valve and cutoff valve which are upstream of the movable contact |
CH501304A (en) * | 1969-06-18 | 1970-12-31 | Bbc Brown Boveri & Cie | Pillar type pressure gas switch |
US3846601A (en) * | 1972-03-31 | 1974-11-05 | Westinghouse Electric Corp | Compressed-gas circuit interrupter |
US4149051A (en) * | 1977-04-27 | 1979-04-10 | Westinghouse Electric Corp. | Electrically conducting gas condenser support for a puffer circuit interrupter |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE690130C (en) * | 1933-10-20 | 1940-04-17 | Siemens Schuckertwerke Akt Ges | Switch with arc extinguishing by flowing or expanding gases or vapors |
GB490518A (en) * | 1936-12-14 | 1938-08-15 | British Thomson Houston Co Ltd | Improvements in electrical switchgear |
US2221720A (en) * | 1937-08-25 | 1940-11-12 | Gen Electric | Electric circuit interrupter |
US2507210A (en) * | 1944-11-28 | 1950-05-09 | Westinghouse Electric Corp | Gas blast circuit breaker |
US2581571A (en) * | 1945-10-24 | 1952-01-08 | Westinghouse Electric Corp | Circuit interrupter |
-
1954
- 1954-12-30 US US478636A patent/US2824937A/en not_active Expired - Lifetime
-
1955
- 1955-12-29 FR FR1145701D patent/FR1145701A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2824937A (en) | 1958-02-25 |
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