GB1455806A - Surge voltage arresters - Google Patents
Surge voltage arrestersInfo
- Publication number
- GB1455806A GB1455806A GB360975A GB360975A GB1455806A GB 1455806 A GB1455806 A GB 1455806A GB 360975 A GB360975 A GB 360975A GB 360975 A GB360975 A GB 360975A GB 1455806 A GB1455806 A GB 1455806A
- Authority
- GB
- United Kingdom
- Prior art keywords
- faces
- main electrodes
- electrode
- tube
- arrester
- 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
- 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
- H01T1/20—Means for starting arc or facilitating ignition of spark gap
- H01T1/22—Means for starting arc or facilitating ignition of spark gap by the shape or the composition of the electrodes
Landscapes
- Thermistors And Varistors (AREA)
Abstract
1455806 Spark gaps SIEMENS AG 28 Jan 1975 3609/75 Heading H1D Activating material 5 is applied at least to the inner wall of an annular electrode 3 and to the faces of the main electrodes 1 and 2 of a two-path surge arrester in which the said faces of the main electrodes 1 and 2 are provided with annular projections 4 to form hollow dispenser electrodes. In the arrester shown the projections 4 are metal rings, e.g. of iron, which are also provided on both faces of the electrode 3. The faces of the main electrodes 1 and 2 have a gridiron pattern of grooves 7 to anchor the electron emissive material 5 which may be extended over the facing surfaces of the rings 4 (Fig. 2, not shown). The arrester may be mounted in a metal tube 8 with the electrode 3 in contact with the tube 8 which may be earthed. The glass or ceramic insulators 6 are grooved to provide insulating gaps 10 between the tube 8 and the main electrodes 1 and 2 which are contacted by members 9.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB360975A GB1455806A (en) | 1975-01-28 | 1975-01-28 | Surge voltage arresters |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB360975A GB1455806A (en) | 1975-01-28 | 1975-01-28 | Surge voltage arresters |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1455806A true GB1455806A (en) | 1976-11-17 |
Family
ID=9761564
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB360975A Expired GB1455806A (en) | 1975-01-28 | 1975-01-28 | Surge voltage arresters |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1455806A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0251010A1 (en) * | 1986-06-25 | 1988-01-07 | Siemens Aktiengesellschaft | Gas-filled surge arrester |
-
1975
- 1975-01-28 GB GB360975A patent/GB1455806A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0251010A1 (en) * | 1986-06-25 | 1988-01-07 | Siemens Aktiengesellschaft | Gas-filled surge arrester |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |