AT159049B - Arrangement to compensate for the thermal stresses on the stator of an electrical machine which is inserted into the housing of a turbine or pump unit arranged in a channel through which water flows. - Google Patents
Arrangement to compensate for the thermal stresses on the stator of an electrical machine which is inserted into the housing of a turbine or pump unit arranged in a channel through which water flows.Info
- Publication number
- AT159049B AT159049B AT159049DA AT159049B AT 159049 B AT159049 B AT 159049B AT 159049D A AT159049D A AT 159049DA AT 159049 B AT159049 B AT 159049B
- Authority
- AT
- Austria
- Prior art keywords
- housing
- channel
- arrangement
- turbine
- stator
- Prior art date
Links
Landscapes
- Motor Or Generator Frames (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
<Desc/Clms Page number 1>
Anordnung zum Ausgleich der Wärmebeanspruchungen des Ständers einer elektrischen Maschine, die in das Gehäuse eines in einem von Wasser durchflossenen Kanal angeordneten Turbinen-oder Pumpenaggregates eingesetzt ist.
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Auf der Zeichnung sind zwei Ausführungsbeispiele des Erfindungsgedankens dargestellt.
Big. l zeigt die Anordnung eines zusätzlichen Mantels a, welcher an der Wasserabflussseite b so eingezogen ist, dass der Abflussquerschnitt zwischen Mantel a und Aggregatgehäuse c geringer ist als an der Zuflussseite d. e sind die den Aggregatkörper und damit den Mantel a gegenüber dem Wasser-
EMI2.1
Pfeile angedeutet.
Fig. 2 zeigt eine Ausführung, bei welcher die zur wasserdichten Verbindung der einzelnen Aggregatgehäuseteile bestimmten Flansche gleichzeitig zur Abstützung des Wasserführungsmantels h dienen. Die Flanschen i und k sind an dem über den Aggregatgehäusedurchmesser vorspringenden Teil mit Bohrungen I versehen, die dem durchströmenden Wasser die Zuflussmöglichkeit in den und die Abflussmöglichkeit aus dem zwischen Mantel h und Gehäuse m vorhandenen Raum geben. Der Querschnitt aller Bohrungen des Flansches i sowie der Querschnitt aller Bohrungen des Flansches k ist kleiner als der Querschnitt des zwischen A und m vorhandenen Ringraumes.
Durch diesen Querschnittsunterschied ergibt sich die gewünschte Verringerung der Durchflussgeschwindigkeit in dem Raume zwischen h und m. t ist auch hier der zur Führung des Betriebswassers dienende Kanal und g das Turbinenlaufrad. Die über den Umfang des Aggregatgehäuses verteilten Rippen e dienen auch hier zur Abstützung des gesamten Aggregatkörpers gegenüber dem Wasserführungskanal f. Die Fliessrichtung des Wassers ist hier ebenfalls durch Pfeile angedeutet.
Die Ausbildung nach Fig. 2 hat noch den besonderen Vorteil, dass die sonst bei Verlegung der Verbindungsflansche zwischen den einzelnen Aggregatkörperteilen nach aussen durch die vorspringenden Teile erzeugten Wasserwirbel vermieden werden.
PATENT-ANSPRÜCHE :
1. Anordnung zum Ausgleich der Wärmebeanspruchungen des Ständers einer elektrischen Maschine, die in das Gehäuse eines in einem von Wasser durchflossenen Kanal angeordneten Turbinenoder Pumpenaggregates eingesetzt ist und an der Gehäusebohrung anliegt, dadurch gekennzeichnet, dass am Umfang des Aggregatgehäuses die Durchflussgeschwindigkeit verringernde Führungen für einen Teil des den Kanal durchfliessenden, zum Wärmeausgleich dienenden Wassers angeordnet sind.
<Desc / Clms Page number 1>
Arrangement for compensating for the thermal loads on the stator of an electrical machine which is inserted into the housing of a turbine or pump assembly arranged in a channel through which water flows.
EMI1.1
<Desc / Clms Page number 2>
Two embodiments of the inventive concept are shown in the drawing.
Big. 1 shows the arrangement of an additional casing a, which is drawn in on the water outflow side b in such a way that the outflow cross-section between casing a and unit housing c is smaller than on the inflow side d. e are the aggregate body and thus the jacket a opposite the water
EMI2.1
Arrows indicated.
2 shows an embodiment in which the flanges intended for the watertight connection of the individual unit housing parts simultaneously serve to support the water-guiding jacket h. The flanges i and k are provided with bores I on the part protruding beyond the unit housing diameter, which allow the water flowing through to flow into and out of the space between the casing h and the housing m. The cross-section of all the holes in the flange i and the cross-section of all the holes in the flange k is smaller than the cross-section of the annular space between A and m.
This difference in cross-section results in the desired reduction in the flow rate in the space between h and m. Here, too, t is the channel used to guide the process water and g is the turbine runner. The ribs e distributed over the circumference of the unit housing also serve here to support the entire unit body against the water duct f. The direction of flow of the water is also indicated here by arrows.
The design according to FIG. 2 has the particular advantage that the water eddies otherwise generated by the protruding parts when the connecting flanges are laid between the individual assembly body parts to the outside are avoided.
PATENT CLAIMS:
1. An arrangement to compensate for the thermal loads on the stator of an electrical machine, which is inserted into the housing of a turbine or pump unit arranged in a channel through which water flows and rests against the housing bore, characterized in that guides for a part of the unit housing reduce the flow rate of the water flowing through the channel and serving for heat compensation are arranged.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT159049T | 1938-05-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
AT159049B true AT159049B (en) | 1940-06-25 |
Family
ID=3650159
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT159049D AT159049B (en) | 1938-05-14 | 1938-05-14 | Arrangement to compensate for the thermal stresses on the stator of an electrical machine which is inserted into the housing of a turbine or pump unit arranged in a channel through which water flows. |
Country Status (1)
Country | Link |
---|---|
AT (1) | AT159049B (en) |
-
1938
- 1938-05-14 AT AT159049D patent/AT159049B/en active
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