GB1553776A - Vacuum switches - Google Patents
Vacuum switchesInfo
- Publication number
- GB1553776A GB1553776A GB3993177A GB3993177A GB1553776A GB 1553776 A GB1553776 A GB 1553776A GB 3993177 A GB3993177 A GB 3993177A GB 3993177 A GB3993177 A GB 3993177A GB 1553776 A GB1553776 A GB 1553776A
- Authority
- GB
- United Kingdom
- Prior art keywords
- vacuum switches
- switches
- vacuum
- 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
- H01H33/60—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
- H01H33/6642—Contacts; Arc-extinguishing means, e.g. arcing rings having cup-shaped contacts, the cylindrical wall of which being provided with inclined slits to form a coil
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19762644234 DE2644234A1 (en) | 1976-09-30 | 1976-09-30 | VACUUM SWITCH |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1553776A true GB1553776A (en) | 1979-10-10 |
Family
ID=5989362
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3993177A Expired GB1553776A (en) | 1976-09-30 | 1977-09-26 | Vacuum switches |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPS5343876A (en) |
DE (1) | DE2644234A1 (en) |
GB (1) | GB1553776A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2144916A (en) * | 1983-08-09 | 1985-03-13 | Vacuum Interrupters | High current switch contacts |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3215020A1 (en) * | 1982-04-22 | 1983-10-27 | Calor-Emag Elektrizitäts-Aktiengesellschaft, 4030 Ratingen | Vacuum switch |
US4553002A (en) * | 1983-12-05 | 1985-11-12 | Westinghouse Electric Corp. | Axial magnetic field vacuum-type circuit interrupter |
DE3664394D1 (en) * | 1985-05-06 | 1989-08-17 | Siemens Ag | Contact arrangement for a vacuum system |
JP3076782B2 (en) * | 1997-12-01 | 2000-08-14 | 山一電機株式会社 | IC socket |
JP2895039B1 (en) | 1998-02-02 | 1999-05-24 | 山一電機株式会社 | IC socket |
-
1976
- 1976-09-30 DE DE19762644234 patent/DE2644234A1/en active Pending
-
1977
- 1977-09-26 GB GB3993177A patent/GB1553776A/en not_active Expired
- 1977-09-30 JP JP11781077A patent/JPS5343876A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2144916A (en) * | 1983-08-09 | 1985-03-13 | Vacuum Interrupters | High current switch contacts |
Also Published As
Publication number | Publication date |
---|---|
DE2644234A1 (en) | 1978-04-06 |
JPS5343876A (en) | 1978-04-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |