AT8698B - Device for automatic opening and closing of the air cock on vacuum equipment. - Google Patents
Device for automatic opening and closing of the air cock on vacuum equipment.Info
- Publication number
- AT8698B AT8698B AT8698DA AT8698B AT 8698 B AT8698 B AT 8698B AT 8698D A AT8698D A AT 8698DA AT 8698 B AT8698 B AT 8698B
- Authority
- AT
- Austria
- Prior art keywords
- air cock
- vacuum
- closing
- automatic opening
- vacuum equipment
- Prior art date
Links
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical group [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 7
- 229910052753 mercury Inorganic materials 0.000 claims description 7
- 230000000737 periodic effect Effects 0.000 claims 2
- 238000009835 boiling Methods 0.000 claims 1
- 238000001704 evaporation Methods 0.000 claims 1
- 230000008020 evaporation Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Description
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Die beiden Solenoide 4 und 6 sind mit einem gemeinsamen Kern 9 versehen, mit welchem der hebelartige Griff 10 des Lufthahnes 11 durch Stift und Schlitz verkuppelt ist.
Bei normalem Vacuum des Kochers steht das Quecksilber im Manometer ausser Berührung mit den Drähten 5 und 7, der Kern 9 hat die Endlage, in welche ihn das Solenoid 6 zieht, und der Lufthahn H ist geschlossen. Wird nun das Vaeuum im Kocher gesteigert, so steigt das Quecksilber in der Röhre 1 und schliesst durch seine Berührung mit dem Draht 5 den Stromkreis der Batterie 3 über das Solenoid 4, 3, 4, 5, Quecksilber 8, 3. Das Solenoid 4 zieht den Kern herein und öffnet dadurch den Lufthahn 11.
Indem nun das Vacuum im Kocher wieder sinkt, und zwar unter den normalen Betrag, fällt Quecksilber aus Rohr 1 nach Gefäss 2, bis Draht 5 entblösst, dagegen Draht 7 bedeckt wird, und es stellt sich unter Öffnung des Stromkreises über Solenoid 4 der Strom-
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steigt wieder auf den normalen Betrag, so dass durch das Aufsteigen des Quecksilbers in 1 der Draht 7 wieder entblösst, d. h. der Stromkreis des Solenoides 6 wieder geöffnet, der Draht 1 dagegen nicht bedeckt wird. Der Lufthahn verbleibt in der Schlussiage bis zur folgenden Steigerung dAS Vacuums.
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The two solenoids 4 and 6 are provided with a common core 9, with which the lever-like handle 10 of the air tap 11 is coupled by a pin and slot.
With normal vacuum of the cooker, the mercury in the manometer is out of contact with the wires 5 and 7, the core 9 has the end position into which the solenoid 6 pulls it, and the air cock H is closed. If the volume in the cooker is increased, the mercury in the tube 1 rises and, when it touches the wire 5, it closes the circuit of the battery 3 via the solenoid 4, 3, 4, 5, mercury 8, 3. The solenoid 4 pulls the core in and thereby opens the air valve 11.
As the vacuum in the cooker sinks again, below the normal amount, mercury falls from tube 1 to vessel 2 until wire 5 is exposed, whereas wire 7 is covered, and the electric circuit is opened via solenoid 4.
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rises again to the normal amount, so that the wire 7 becomes exposed again due to the rise of the mercury in FIG. H. the circuit of the solenoid 6 is opened again, the wire 1, however, is not covered. The air cock remains in the closing position until the following increase in the vacuum.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT8698D AT8698B (en) | 1899-08-21 | 1900-05-25 | Device for automatic opening and closing of the air cock on vacuum equipment. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT3519T | 1899-08-21 | ||
| AT8698D AT8698B (en) | 1899-08-21 | 1900-05-25 | Device for automatic opening and closing of the air cock on vacuum equipment. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT8698B true AT8698B (en) | 1902-08-11 |
Family
ID=25592429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT8698D AT8698B (en) | 1899-08-21 | 1900-05-25 | Device for automatic opening and closing of the air cock on vacuum equipment. |
Country Status (1)
| Country | Link |
|---|---|
| AT (1) | AT8698B (en) |
-
1900
- 1900-05-25 AT AT8698D patent/AT8698B/en active
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