AT63002B - Steam turbine with one or more wheel groups that can be switched off. - Google Patents

Steam turbine with one or more wheel groups that can be switched off.

Info

Publication number
AT63002B
AT63002B AT63002DA AT63002B AT 63002 B AT63002 B AT 63002B AT 63002D A AT63002D A AT 63002DA AT 63002 B AT63002 B AT 63002B
Authority
AT
Austria
Prior art keywords
wheel groups
switched
steam turbine
steam
groups
Prior art date
Application number
Other languages
German (de)
Original Assignee
Pokorny & Wittekind Maschb A G
Willibald Grun Dr Ing
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Pokorny & Wittekind Maschb A G, Willibald Grun Dr Ing filed Critical Pokorny & Wittekind Maschb A G
Application granted granted Critical
Publication of AT63002B publication Critical patent/AT63002B/en

Links

Description

  

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  Dampfturbine mit einer oder mehreren abschaltbaren Radgruppen. 



   Bei Dampfturbinen mit abschaltbaren Radgruppen bereitet es Schwierigkeiten, die Absperr-   Lrganc und Wellendichtungen usw.   der abgeschalteten Radgruppen vollkommen dicht zu schliessen. 



  Es kann daher auch in die abgeschalteten Radgruppen Dampf eindringen, welcher aber bei seinem   Durchströmen   durch die Schaufelung erhebliche Widerstände erzeugt, welche einen wesentlichen Arbeitsverlust verursachen. 



   Die Erfindung hat den Zweck, diesen Nachteil zu beseitigen und besteht darin, dass die   Dampft'intrhtsstellen   der abgeschalteten Radgruppen sich mit der Dampfaustrittsstelle oder dem Vakuum verbinden lassen, so dass etwa eindringender Dampf am nächsten Wege abgeleitet 
 EMI1.1 
   ergibt somit   einen sehr geringen Leerlaufwiderstand, wodurch der mechanische Wirkungsgrad der Dampfturbine verbessert wird. 
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 EMI2.1 




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  Steam turbine with one or more wheel groups that can be switched off.



   In the case of steam turbines with disengageable wheel groups, it is difficult to close the shut-off device and shaft seals, etc. of the disconnected wheel groups completely tight.



  Steam can therefore also penetrate into the disconnected wheel groups, which, however, generates considerable resistance when it flows through the blades, which causes a significant loss of work.



   The invention has the purpose of eliminating this disadvantage and consists in the fact that the steam inlet points of the disconnected wheel groups can be connected to the steam outlet point or the vacuum, so that any steam that may penetrate is discharged on the next path
 EMI1.1
   thus results in a very low idle resistance, which improves the mechanical efficiency of the steam turbine.
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 EMI2.1
AT63002D 1912-04-16 1912-09-30 Steam turbine with one or more wheel groups that can be switched off. AT63002B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE63002X 1912-04-16

Publications (1)

Publication Number Publication Date
AT63002B true AT63002B (en) 1914-01-10

Family

ID=5631749

Family Applications (1)

Application Number Title Priority Date Filing Date
AT63002D AT63002B (en) 1912-04-16 1912-09-30 Steam turbine with one or more wheel groups that can be switched off.

Country Status (1)

Country Link
AT (1) AT63002B (en)

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