AT138312B - Gas-filled rectifier tube with a hot cathode. - Google Patents
Gas-filled rectifier tube with a hot cathode.Info
- Publication number
- AT138312B AT138312B AT138312DA AT138312B AT 138312 B AT138312 B AT 138312B AT 138312D A AT138312D A AT 138312DA AT 138312 B AT138312 B AT 138312B
- Authority
- AT
- Austria
- Prior art keywords
- gas
- tube
- hot cathode
- mercury
- rectifier tube
- Prior art date
Links
Landscapes
- Discharge Lamps And Accessories Thereof (AREA)
Description
<Desc/Clms Page number 1>
Gasgefüllte, mit einer Glühkathode versehene Gleichrichterröhre.
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unterhalb derjenigen der Röhre liegt. Da diese Temperatur ziemlich konstant ist, schwankt der Druck in der Röhre auch im Betrieb im wesentlichen nicht. Ist ausser dem Quecksilberdampf noch ein anderes Gas, z. B. Argon, in der Röhre vorhanden, so ist der Druck dennoch von der Gasabsorption weniger abhän-
EMI2.1
dass das Quecksilber in reinem Zustande bleibt und kein-Amalgam bildet. Dies kommt der Beschaffenheit der Gasfüllung zugute.
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Quecksilber auf eine bestimmte, dem gewünschtenDampfdruck entsprechende Temperatur gebracht wird.
Man kann zu diesem-Zwecke ein elektrisches Heizelement-M verwenden und dessen Stromstärke gegebenenfalls selbsttätig-derart regeln.-dass die Temperatur des Quecksilbers und dementsprechend der Druck in der Röhre einen beliebigen konstanten Wert hat. Selbstverständlich ist es nicht beabsichtigt, das Quecksilber auf eine höhere Temperatur als diejenige in der Röhre zu bringen. Es können natürlich auch andere Heizmittel, gegebenenfalls sogar ein Kühlmittel, verwendet werden, um der Temperatur des Quecksilbers einen beliebigen Wert zu geben.
Vermöge der Befestigung des Quecksilberbehälters im Füsschen der Röhre wird die Gefahr eines Abbrechens desselben beseitigt und an Raum gespart.
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in einem von dem Kathodenraum durch eine Scheidewand getrennten Raum befindet, welcher sich zwischen der Glühkathode und der unteren Begrenzung des vom Entladungsgefäss umfassten Raumes erstreckt.
<Desc / Clms Page number 1>
Gas-filled rectifier tube with a hot cathode.
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<Desc / Clms Page number 2>
below that of the tube. Since this temperature is fairly constant, the pressure in the tube does not fluctuate substantially even during operation. Is there another gas besides the mercury vapor, e.g. B. argon, is present in the tube, the pressure is still less dependent on the gas absorption.
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that the mercury remains in a pure state and does not form an amalgam. This benefits the nature of the gas filling.
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Mercury is brought to a certain temperature corresponding to the desired vapor pressure.
An electrical heating element-M can be used for this purpose and its current intensity can be regulated automatically, if necessary, in such a way that the temperature of the mercury and, accordingly, the pressure in the tube have any constant value. Of course, it is not intended to bring the mercury to a higher temperature than that in the tube. It is of course also possible to use other heating means, possibly even a coolant, in order to give the temperature of the mercury any desired value.
By fastening the mercury container in the base of the tube, the risk of the tube breaking off is eliminated and space is saved.
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located in a space separated from the cathode space by a partition, which extends between the hot cathode and the lower boundary of the space enclosed by the discharge vessel.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL138312X | 1928-03-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
AT138312B true AT138312B (en) | 1934-07-25 |
Family
ID=19776064
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT138312D AT138312B (en) | 1928-03-09 | 1929-02-05 | Gas-filled rectifier tube with a hot cathode. |
Country Status (1)
Country | Link |
---|---|
AT (1) | AT138312B (en) |
-
1929
- 1929-02-05 AT AT138312D patent/AT138312B/en active
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