GB1054112A - - Google Patents
Info
- Publication number
- GB1054112A GB1054112A GB1054112DA GB1054112A GB 1054112 A GB1054112 A GB 1054112A GB 1054112D A GB1054112D A GB 1054112DA GB 1054112 A GB1054112 A GB 1054112A
- Authority
- GB
- United Kingdom
- Prior art keywords
- contacts
- outer portions
- july
- vacuum
- centres
- 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
- H01H33/6644—Contacts; Arc-extinguishing means, e.g. arcing rings having coil-like electrical connections between contact rod and the proper contact
- H01H33/6645—Contacts; Arc-extinguishing means, e.g. arcing rings having coil-like electrical connections between contact rod and the proper contact in which the coil like electrical connections encircle at least once the contact rod
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T1/00—Details of spark gaps
- H01T1/24—Selection of materials for electrodes
-
- 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
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
1,054,112. Vacuum switches. ENGLISH ELECTRIC CO. Ltd. July 10, 1963 [July 12, 1962], No. 26772/62. Heading H2B. The contacts of a vacuum switch are each formed with helical slots or grooves causing the current flowing therein to follow helical paths then creating a magnetic field effective to move the arc roots radially towards outer portions of the contact surfaces and around said surfaces, said outer portions being of a metal of lower arcing voltage than inner regions. The outer portions may be formed as a flange 12c (Fig. 2, not shown) or the contacts may be of truncated conical shape. The contacts may be tubular or solid and have holes 10c, 11c formed at their centres.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1054112A true GB1054112A (en) | 1900-01-01 |
Family
ID=1757954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1054112D Expired GB1054112A (en) |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1054112A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0062186A1 (en) * | 1981-03-26 | 1982-10-13 | Siemens Aktiengesellschaft | Disposition of contacts for a vacuum switch |
-
0
- GB GB1054112D patent/GB1054112A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0062186A1 (en) * | 1981-03-26 | 1982-10-13 | Siemens Aktiengesellschaft | Disposition of contacts for a vacuum switch |
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