CH571761A5 - - Google Patents
Info
- Publication number
- CH571761A5 CH571761A5 CH1306774A CH1306774A CH571761A5 CH 571761 A5 CH571761 A5 CH 571761A5 CH 1306774 A CH1306774 A CH 1306774A CH 1306774 A CH1306774 A CH 1306774A CH 571761 A5 CH571761 A5 CH 571761A5
- Authority
- CH
- Switzerland
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
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
-
- 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
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
- H01H33/6644—Contacts; Arc-extinguishing means, e.g. arcing rings having coil-like electrical connections between contact rod and the proper contact
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19732349569 DE2349569C3 (de) | 1973-09-28 | Vakuumschaltgefäß mit Schaltstücken, die Ausnehmungen aufweisen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH571761A5 true CH571761A5 (enExample) | 1976-01-15 |
Family
ID=5894359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1306774A CH571761A5 (enExample) | 1973-09-28 | 1974-09-27 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3953698A (enExample) |
| JP (1) | JPS5061671A (enExample) |
| CH (1) | CH571761A5 (enExample) |
| GB (1) | GB1442479A (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2638700C3 (de) | 1976-08-27 | 1983-11-10 | Siemens AG, 1000 Berlin und 8000 München | Elektrischer Vakuumschalter |
| JPS5784530A (en) * | 1980-11-17 | 1982-05-26 | Hitachi Ltd | Vacuum breaker |
| JPH0112355Y2 (enExample) * | 1987-05-21 | 1989-04-11 | ||
| FR2739984B1 (fr) * | 1995-10-13 | 1997-11-14 | Gec Alsthom T & D Sa | Barre conductrice pour appareil electrique haute tension a enveloppe metallique |
| GB2323213B (en) * | 1997-03-10 | 2001-10-17 | Gec Alsthom Ltd | Vacuum switching device |
| CN107180728B (zh) | 2016-03-11 | 2020-08-25 | Abb瑞士股份有限公司 | 固封极柱及其组装方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE331929C (de) * | 1921-01-18 | Adolf Patzelt | Kontakttraeger fuer elektrische Schalter mit schleifenden Kontakten | |
| US2678983A (en) * | 1950-05-16 | 1954-05-18 | Westinghouse Electric Corp | Compressed gas circuit interrupter |
| US3089936A (en) * | 1960-02-23 | 1963-05-14 | Gen Electric | Contact structure for an electric circuit interrupter |
| US3182156A (en) * | 1961-09-19 | 1965-05-04 | Gen Electric | Vacuum-type circuit interrupter |
| GB1090872A (en) * | 1964-02-11 | 1967-11-15 | Ass Elect Ind | Improvements relating to vacuum switches |
-
1974
- 1974-09-26 US US05/509,725 patent/US3953698A/en not_active Expired - Lifetime
- 1974-09-27 CH CH1306774A patent/CH571761A5/xx not_active IP Right Cessation
- 1974-09-27 GB GB4220274A patent/GB1442479A/en not_active Expired
- 1974-09-28 JP JP49112241A patent/JPS5061671A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB1442479A (en) | 1976-07-14 |
| DE2349569A1 (de) | 1975-04-24 |
| DE2349569B2 (de) | 1976-08-12 |
| US3953698A (en) | 1976-04-27 |
| JPS5061671A (enExample) | 1975-05-27 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |