JPS51125876A - Double shielding gas blowing circuit breaker - Google Patents
Double shielding gas blowing circuit breakerInfo
- Publication number
- JPS51125876A JPS51125876A JP51030031A JP3003176A JPS51125876A JP S51125876 A JPS51125876 A JP S51125876A JP 51030031 A JP51030031 A JP 51030031A JP 3003176 A JP3003176 A JP 3003176A JP S51125876 A JPS51125876 A JP S51125876A
- Authority
- JP
- Japan
- Prior art keywords
- circuit breaker
- shielding gas
- gas blowing
- double shielding
- blowing 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.)
- Pending
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
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/14—Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc
-
- 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
Landscapes
- Circuit Breakers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/560,461 US4075447A (en) | 1975-03-21 | 1975-03-21 | Double-puffer-type compressed-gas circuit-interrupter constructions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS51125876A true JPS51125876A (en) | 1976-11-02 |
Family
ID=24237924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP51030031A Pending JPS51125876A (en) | 1975-03-21 | 1976-03-22 | Double shielding gas blowing circuit breaker |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4075447A (OSRAM) |
| JP (1) | JPS51125876A (OSRAM) |
| AU (1) | AU504343B2 (OSRAM) |
| CA (1) | CA1065935A (OSRAM) |
| DE (1) | DE2611784A1 (OSRAM) |
| ES (1) | ES446224A1 (OSRAM) |
| FR (1) | FR2305006A1 (OSRAM) |
| GB (1) | GB1549614A (OSRAM) |
| IT (1) | IT1058607B (OSRAM) |
| NL (1) | NL7600591A (OSRAM) |
| NO (1) | NO760500L (OSRAM) |
| ZA (1) | ZA76349B (OSRAM) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5350911A (en) * | 1976-10-20 | 1978-05-09 | Torio Kk | Device for indicating digital frequency |
| JPS54104021U (OSRAM) * | 1978-01-06 | 1979-07-21 |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2911633C2 (de) * | 1979-03-24 | 1985-07-11 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Autopneumatischer Druckgasschalter |
| JPS55139728A (en) * | 1979-04-18 | 1980-10-31 | Mitsubishi Electric Corp | Switching device |
| DE3127678A1 (de) * | 1981-07-14 | 1983-02-10 | BBC Aktiengesellschaft Brown, Boveri & Cie., 5401 Baden, Aargau | Hochspannungs-leistungsschalter |
| JPS5869414A (ja) * | 1981-10-16 | 1983-04-25 | 株式会社日立製作所 | ガス絶縁開閉装置 |
| US4486635A (en) * | 1983-07-05 | 1984-12-04 | Westinghouse Electric Corp. | High-voltage circuit breaker with improved puffer means |
| JPH07111855B2 (ja) * | 1987-07-02 | 1995-11-29 | 三菱電機株式会社 | タンク形遮断器 |
| DE69507453T2 (de) * | 1995-05-04 | 1999-09-02 | Ansaldo Industria S.P.A. | Hochspannungsschalter mit dielektrischem Gas mit Selbst-Beblasung |
| DE29902208U1 (de) | 1999-01-28 | 2000-08-17 | Siemens AG, 80333 München | Mehrphasig gekapselte Freiluft-Hochspannungsschalteinrichtung |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2095441A (en) * | 1934-04-25 | 1937-10-12 | Charles S Hegel | Circuit breaker |
| US3214550A (en) * | 1962-05-02 | 1965-10-26 | Westinghouse Electric Corp | Circuit interrupters with crossbars captively related to piston structures |
| US3291948A (en) * | 1964-08-06 | 1966-12-13 | Westinghouse Electric Corp | Orifice structure for compressed gas-circuit interrupter |
| US3621171A (en) * | 1968-05-06 | 1971-11-16 | Hitachi Ltd | Gas blast circuit breaker with puffer piston having an electrodynamic assist in the form of axially overlapping coils |
| US3899650A (en) * | 1972-08-21 | 1975-08-12 | Hitachi Ltd | Grounded tank circuit breaker |
| JPS5624972B2 (OSRAM) * | 1973-11-05 | 1981-06-09 |
-
1975
- 1975-03-21 US US05/560,461 patent/US4075447A/en not_active Expired - Lifetime
-
1976
- 1976-01-21 ZA ZA349A patent/ZA76349B/xx unknown
- 1976-01-21 NL NL7600591A patent/NL7600591A/xx not_active Application Discontinuation
- 1976-01-23 AU AU10529/76A patent/AU504343B2/en not_active Expired
- 1976-02-16 NO NO760500A patent/NO760500L/no unknown
- 1976-02-19 CA CA246,081A patent/CA1065935A/en not_active Expired
- 1976-03-12 FR FR7607131A patent/FR2305006A1/fr active Granted
- 1976-03-18 ES ES446224A patent/ES446224A1/es not_active Expired
- 1976-03-18 IT IT21355/76A patent/IT1058607B/it active
- 1976-03-19 DE DE19762611784 patent/DE2611784A1/de not_active Withdrawn
- 1976-03-20 GB GB2745/76A patent/GB1549614A/en not_active Expired
- 1976-03-22 JP JP51030031A patent/JPS51125876A/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5350911A (en) * | 1976-10-20 | 1978-05-09 | Torio Kk | Device for indicating digital frequency |
| JPS54104021U (OSRAM) * | 1978-01-06 | 1979-07-21 |
Also Published As
| Publication number | Publication date |
|---|---|
| AU504343B2 (en) | 1979-10-11 |
| US4075447A (en) | 1978-02-21 |
| GB1549614A (en) | 1979-08-08 |
| NL7600591A (nl) | 1976-09-23 |
| AU1052976A (en) | 1977-07-28 |
| FR2305006A1 (fr) | 1976-10-15 |
| ZA76349B (en) | 1977-01-26 |
| IT1058607B (it) | 1982-05-10 |
| NO760500L (OSRAM) | 1976-09-22 |
| FR2305006B1 (OSRAM) | 1981-08-07 |
| DE2611784A1 (de) | 1976-09-30 |
| ES446224A1 (es) | 1977-06-16 |
| CA1065935A (en) | 1979-11-06 |
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