GB360342A - - Google Patents
Info
- Publication number
- GB360342A GB360342A GB11406/31A GB1140631A GB360342A GB 360342 A GB360342 A GB 360342A GB 11406/31 A GB11406/31 A GB 11406/31A GB 1140631 A GB1140631 A GB 1140631A GB 360342 A GB360342 A GB 360342A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mercury
- magnet
- vessel
- cathode
- recess
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0072—Disassembly or repair of discharge tubes
- H01J2893/0073—Discharge tubes with liquid poolcathodes; constructional details
- H01J2893/0074—Cathodic cups; Screens; Reflectors; Filters; Windows; Protection against mercury deposition; Returning condensed electrode material to the cathodic cup; Liquid electrode level control
- H01J2893/0087—Igniting means; Cathode spot maintaining or extinguishing means
Landscapes
- Microwave Tubes (AREA)
Abstract
360,342. Mercury-vapour rectifiers. AKT.-GES. BROWN, BOVERI, ET CIE, Baden, Switzerland. April 17, 1931, No. 11406. Convention date, April 26, 1930. [Class 39 (i).] In an ignition arrangement comprising an alternating-current magnet f which agitates the cathode mercury to bri ng it into contact with an ignition anode d, the intensity of the field through the mercury is increased by extending a pole of the magnet into the cathode vessel. A recess e for the magnet is formed in the iron cathode vessel by pressing or a separate recess is welded to the vessel. Circulation of the mercury is increased by means of a sleeve h formed of iron, quartz or a nonmagnetic material. In a modification, the magnet passes through the cathode vessel, and is separated therefrom by a nonmagnetic material. The recess or magnet is coated with a metal such as wolfram, molybdenum or tantalum, which is not affected by the arc and is wetted by mercury and its distance below the mercury level is sufficient to prevent arcing thereto. The invention is applicable to glass rectifiers, the magnet or a thin-walled sleeve surrounding it being secured to the glass by means of a fusing metal.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE360342T | 1930-04-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB360342A true GB360342A (en) | 1931-11-05 |
Family
ID=31895406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB11406/31A Expired GB360342A (en) | 1930-04-26 | 1931-04-17 |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB360342A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2431637A (en) * | 1943-05-31 | 1947-11-25 | Bbc Brown Boveri & Cie | Ingition device for electric discharge apparatus |
| US2557774A (en) * | 1948-09-30 | 1951-06-19 | Hartford Nat Bank & Trust Co | Electron discharge tube |
-
1931
- 1931-04-17 GB GB11406/31A patent/GB360342A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2431637A (en) * | 1943-05-31 | 1947-11-25 | Bbc Brown Boveri & Cie | Ingition device for electric discharge apparatus |
| US2557774A (en) * | 1948-09-30 | 1951-06-19 | Hartford Nat Bank & Trust Co | Electron discharge tube |
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