IN149575B - - Google Patents
Info
- Publication number
- IN149575B IN149575B IN216/CAL/78A IN216CA1978A IN149575B IN 149575 B IN149575 B IN 149575B IN 216CA1978 A IN216CA1978 A IN 216CA1978A IN 149575 B IN149575 B IN 149575B
- Authority
- IN
- India
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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
-
- 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
- H01H33/002—Very heavy-current switches
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/776,326 US4121268A (en) | 1977-03-10 | 1977-03-10 | Electrolytic cell vacuum switching system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN149575B true IN149575B (it) | 1982-01-30 |
Family
ID=25107077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN216/CAL/78A IN149575B (it) | 1977-03-10 | 1978-02-28 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4121268A (it) |
| JP (1) | JPS53112469A (it) |
| CA (1) | CA1087722A (it) |
| DE (1) | DE2810477A1 (it) |
| FR (1) | FR2383514A1 (it) |
| GB (1) | GB1596697A (it) |
| IN (1) | IN149575B (it) |
| IT (1) | IT1093786B (it) |
| ZA (1) | ZA781075B (it) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4370530A (en) * | 1980-05-28 | 1983-01-25 | Westinghouse Electric Corp. | Electrolytic cell electrical shunting switch assembly |
| US4438302A (en) * | 1982-02-17 | 1984-03-20 | Westinghouse Electric Corp. | Electrical shorting switch assembly including a last to open last to close arcing switch |
| DE3218907A1 (de) * | 1982-05-19 | 1983-11-24 | Sachsenwerk, Licht- und Kraft-AG, 8000 München | Verfahren und anordnung zum schalten von vakuum-schaltern |
| DE3833166A1 (de) * | 1988-09-27 | 1990-03-29 | Siemens Ag | Verfahren zum betrieb eines leistungsschalters |
| NL8803018A (nl) * | 1988-12-08 | 1990-07-02 | Holec Syst & Componenten | Aandrijfmechanisme voor schakelaar. |
| DE102008045641B3 (de) * | 2008-09-03 | 2010-05-06 | Siemens Aktiengesellschaft | Nockenwellenantrieb für eine Vakuumschaltröhre und Schaltgerät |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1865274A (en) * | 1928-03-23 | 1932-06-28 | Gen Electric | Circuit interrupter |
| US3404247A (en) * | 1966-03-08 | 1968-10-01 | Gen Electric | Pressure responsive protective means for vacuum type circuit interrupters |
| US3489918A (en) * | 1968-03-20 | 1970-01-13 | Gen Electric | High voltage direct current circuit breaker |
| FR2154929A5 (it) * | 1971-09-30 | 1973-05-18 | Gratzmuller Jean Louis | |
| US3950628A (en) * | 1974-10-10 | 1976-04-13 | Westinghouse Electric Corporation | Bellows type shorting switch |
| DE2522525A1 (de) * | 1975-05-21 | 1976-12-02 | Driescher Eltech Werk | Lasttrennschalter, insbesondere fuer den betrieb in einem mittelspannungsbereich |
| ZA767618B (en) * | 1976-01-19 | 1977-11-30 | Westinghouse Electric Corp | Low voltage vacuum switch and operating mechanism |
-
1977
- 1977-03-10 US US05/776,326 patent/US4121268A/en not_active Expired - Lifetime
-
1978
- 1978-02-23 GB GB7201/78A patent/GB1596697A/en not_active Expired
- 1978-02-23 ZA ZA00781075A patent/ZA781075B/xx unknown
- 1978-02-24 CA CA297,836A patent/CA1087722A/en not_active Expired
- 1978-02-28 IN IN216/CAL/78A patent/IN149575B/en unknown
- 1978-03-08 FR FR7806724A patent/FR2383514A1/fr active Granted
- 1978-03-09 JP JP2608378A patent/JPS53112469A/ja active Pending
- 1978-03-09 IT IT2100978A patent/IT1093786B/it active
- 1978-03-10 DE DE19782810477 patent/DE2810477A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS53112469A (en) | 1978-09-30 |
| DE2810477A1 (de) | 1978-09-14 |
| FR2383514A1 (fr) | 1978-10-06 |
| FR2383514B1 (it) | 1982-11-05 |
| US4121268A (en) | 1978-10-17 |
| CA1087722A (en) | 1980-10-14 |
| IT1093786B (it) | 1985-07-26 |
| IT7821009A0 (it) | 1978-03-09 |
| DE2810477C2 (it) | 1987-04-02 |
| ZA781075B (en) | 1979-04-25 |
| GB1596697A (en) | 1981-08-26 |