AT50950B - Vacuum line. - Google Patents
Vacuum line.Info
- Publication number
- AT50950B AT50950B AT50950DA AT50950B AT 50950 B AT50950 B AT 50950B AT 50950D A AT50950D A AT 50950DA AT 50950 B AT50950 B AT 50950B
- Authority
- AT
- Austria
- Prior art keywords
- flaps
- vacuum line
- eccentric
- resilient
- springs
- Prior art date
Links
Description
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In tig. t bis 3 der Zeichnung ist eine im Sinne der Neuerung konstruierte, unmittelbar vor die Saugdüse geschaltete Drosselvorrichtung in Ansicht und zwei aufeinander senkrecht
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werden können ; die Grenzstellungen der beiden Klappen w, sind in Fig. 2 in punktierter und vollgezeichneter Stellung eingezeichnet.
Der die federnden Klappen nt, m voneinander abdrängende Exzentet o wird in seinen verschiedenen, Stellungen dadurch festgehalten, dass der an der Aussenseite des Gehäuses a angeordnete, federnde Stellbebel h an seiner Unterseite mit einem Körnervorsprung k versehen ist, welcher in entsprechend verteilte Körnervertiefungen der Gehäuseaussenwand einfällt.
Die in Fig. 4 gezeigte Ausführungsform zeigt die Eigenart, dass die Schwingungsachsen der Klappen p, p in deren Längsmitte verlegt sind, wodurch die Drehmomente der auf die Flächen der Klappen wirkenden Luftdrücke sich gegenseitig aufheben und eine durch die Wirkung der durchströmenden Luft verursachte Vergrösserung der Spaltöffnung nicht zu befürchten ist.
Diese Anordnung ermöglicht sohin, die Federn q, welche die Klappen in der ihnen durch das Exzenter r gegebenen Lage festzuhalten haben, bedeutend schwächer zu halten, wie bei der in Fig. 1 bis 3 gezeigten Ausführungsform, wodurch der Durchgang grösserer Körper mehr wie bei letzterer begünstigt, wird.
PATENT-ANSPRÜCHE :
1. Staubsaugeleitung, dadurch gekennzeichnet, dass in den an die Düse anschliessenden Leitungsteil ein einstellbares. im Sinne der Erweiterung federndes Drosselorgan eingeschaltet ist.
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In tig. t to 3 of the drawing is a throttle device constructed in the sense of the innovation and connected directly in front of the suction nozzle in view and two perpendicular to one another
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can be; the limit positions of the two flaps w are shown in Fig. 2 in dotted and fully drawn position.
The eccentric o pushing the resilient flaps nt, m away from each other is held in its various positions in that the resilient setting lever h, which is arranged on the outside of the housing a, is provided on its underside with a center projection k which is inserted into correspondingly distributed center recesses in the housing outer wall occurs.
The embodiment shown in Fig. 4 shows the peculiarity that the oscillation axes of the flaps p, p are moved in their longitudinal center, whereby the torques of the air pressures acting on the surfaces of the flaps cancel each other out and an increase in the air pressure caused by the effect of the air flowing through Gap opening is not to be feared.
This arrangement thus makes it possible to keep the springs q, which have to hold the flaps in the position given them by the eccentric r, significantly weaker, as in the embodiment shown in FIGS. 1 to 3, whereby the passage of larger bodies more than in the latter is favored.
PATENT CLAIMS:
1. vacuum line, characterized in that in the line part adjoining the nozzle, an adjustable. is switched on in the sense of the extension resilient throttle member.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT50950T | 1911-03-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
AT50950B true AT50950B (en) | 1911-11-25 |
Family
ID=3571856
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT50950D AT50950B (en) | 1911-03-15 | 1911-03-15 | Vacuum line. |
Country Status (1)
Country | Link |
---|---|
AT (1) | AT50950B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2898080A (en) * | 1954-07-28 | 1959-08-04 | Techno Corp | Check valve with operator therefor |
US3444894A (en) * | 1966-01-13 | 1969-05-20 | Svenska Flaektfabriken Ab | Device for governing the pressure or quantity of a flowing gaseous medium |
-
1911
- 1911-03-15 AT AT50950D patent/AT50950B/en active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2898080A (en) * | 1954-07-28 | 1959-08-04 | Techno Corp | Check valve with operator therefor |
US3444894A (en) * | 1966-01-13 | 1969-05-20 | Svenska Flaektfabriken Ab | Device for governing the pressure or quantity of a flowing gaseous medium |
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