GB479952A - Improvements in or relating to protective discharge devices - Google Patents
Improvements in or relating to protective discharge devicesInfo
- Publication number
- GB479952A GB479952A GB24662/36A GB2466236A GB479952A GB 479952 A GB479952 A GB 479952A GB 24662/36 A GB24662/36 A GB 24662/36A GB 2466236 A GB2466236 A GB 2466236A GB 479952 A GB479952 A GB 479952A
- Authority
- GB
- United Kingdom
- Prior art keywords
- arc
- electrodes
- properties
- metal
- main electrode
- 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
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J13/00—Discharge tubes with liquid-pool cathodes, e.g. metal-vapour rectifying tubes
- H01J13/02—Details
- H01J13/48—Circuit arrangements not adapted to a particular application of the tube and not otherwise provided for
Landscapes
- Thermistors And Varistors (AREA)
Abstract
479,952. Protective arrangements. WESTINGHOUSE ELECTRIC & MANUFACTURING CO. Sept. 10, 1936, No. 24662. Convention date, Nov. 21, 1935. [Class 38 (iv)] One element in a series-gap lightning-arrester comprises (a) spaced main electrodes 4, 5 of metallic material having arc quenching properties, and (b) are initiating means 8 electrically connected with at least one of the metallic electrodes 4. The arc quenching properties of the electrodes 4, 5 are due to the use of a metal, alone or alloyed with other metal, which does not bead but pits slightly under the action of an are. The arc initiating means 8 are made of relatively poor conducting material having better discharge initiating properties than the main electrode 4 whereby the arc after initiation is transferred to the main electrode. Such material may consist of a poor conducting binding-material and a large number of closely spaced conducting particles, for example, of silicon carbide or radio active material.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US479952XA | 1935-11-21 | 1935-11-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB479952A true GB479952A (en) | 1938-02-15 |
Family
ID=21952196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB24662/36A Expired GB479952A (en) | 1935-11-21 | 1936-09-10 | Improvements in or relating to protective discharge devices |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB479952A (en) |
-
1936
- 1936-09-10 GB GB24662/36A patent/GB479952A/en not_active Expired
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