GB513655A - Improvements in thermionic valves - Google Patents
Improvements in thermionic valvesInfo
- Publication number
- GB513655A GB513655A GB959438A GB959438A GB513655A GB 513655 A GB513655 A GB 513655A GB 959438 A GB959438 A GB 959438A GB 959438 A GB959438 A GB 959438A GB 513655 A GB513655 A GB 513655A
- Authority
- GB
- United Kingdom
- Prior art keywords
- anode
- valve
- end plates
- cooling
- insulating
- 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
- H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
- H01J7/24—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
Landscapes
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
513,655. Thermionic valves. STANDARD TELEPHONES & CABLES, Ltd., and GIBSON, W. T. March 29, 1938, No. 9594. [Class 39 (i)] Overheating of insulating parts of high power ultrashort wave transmitting valves due to high dielectric loss is prevented by cooling those parts by circulating fluid of high electrical resistance. The valve B may be of the kind described in Specification 504,123 and has an anode A forming part of the envelope, the glass portion B of which is cemented to a metallic ring C to which the grid electrode is connected, The valve is enclosed in a cooling jacket comprising a tube E of glass or "Bakelite" (R.T.M.) with metal end plates F secured by insulating strainers I and wing nuts K. The cooling liquid which may be distilled water or oil, is admitted at the lower end to pass first over the anode A and then the bulb B ; baflles may be provided to guide the flow along the anode surface, Fig. 1 (not shown). The end plates F constitute the connections to the grid and anode of the valve, the latter being supported by a resilient member M. Specification 349,719 also is referred to.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB959438A GB513655A (en) | 1938-03-29 | 1938-03-29 | Improvements in thermionic valves |
| FR852273D FR852273A (en) | 1938-03-29 | 1939-03-28 | Electronic discharge devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB959438A GB513655A (en) | 1938-03-29 | 1938-03-29 | Improvements in thermionic valves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB513655A true GB513655A (en) | 1939-10-18 |
Family
ID=9874995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB959438A Expired GB513655A (en) | 1938-03-29 | 1938-03-29 | Improvements in thermionic valves |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR852273A (en) |
| GB (1) | GB513655A (en) |
-
1938
- 1938-03-29 GB GB959438A patent/GB513655A/en not_active Expired
-
1939
- 1939-03-28 FR FR852273D patent/FR852273A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR852273A (en) | 1940-01-27 |
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