Push rod arrangement for turbine system

Abstract

A turbine system with a push rod arrangement is presented. The turbine system includes a first turbine having a first rotor, a second turbine having a second rotor, a push rod coupled to a casing of the first turbine at a first end and to a casing of the second turbine at a second end wherein the push rod includes a device for controlling temperature.

1 . A turbine system comprising:
 a first turbine having a first rotor,   a second turbine having a second rotor,   a push rod coupled to a casing of the first turbine at a first end and to a casing of the second turbine at a second end,   wherein the push rod comprises a device for controlling temperature,   wherein the device comprises a steam jacket for heating the push rod.   
     
     
         2 . The turbine system according to  claim 1 ,
 wherein the device comprises an electrical component for heating the push rod.   
     
     
         3 . The turbine system according to  claim 1 ,
 wherein the push rod comprises means for cooling.   
     
     
         4 . The turbine system according to  claim 3 ,
 wherein the means of cooling comprises a through hole within the push rod.   
     
     
         5 . The turbine system according to  claim 4 ,
 wherein a coolant is passed through the through hole for cooling.   
     
     
         6 . The turbine system according to  claim 5 ,
 wherein the coolant comprises oil or steam.   
     
     
         7 . The turbine system according to  claim 4 ,
 further comprising one or more valves for controlling the flow of coolant in the through hole.   
     
     
         8 . The turbine system according to  claim 1 ,
 further comprising a third turbine having a third rotor operatively coupled to the second rotor or the first rotor.   
     
     
         9 . The turbine system according to  claim 1 ,
 further comprising a measuring device for measuring the differential expansion in the turbine system.   
     
     
         10 . The turbine system according to  claim 9 ,
 wherein the measuring device is configured to provide a signal to the temperature controlling device.   
     
     
         11 . The turbine system according to  claim 1 ,
 wherein the measuring device is coupled to the third rotor distal to the second rotor or the first rotor.   
     
     
         12 . The turbine system according to  claim 1 ,
 further comprising a high pressure turbine disposed axially upstream the first turbine.   
     
     
         13 . A power generation system comprising a turbine system according to  claim 1 . 
     
     
         14 . The power generation system according to  claim 13 ,
 wherein the device for controlling temperature comprises an electrical component for heating the push rod.   
     
     
         15 . The power generation system according to  claim 13 ,
 wherein the device for controlling temperature comprises a steam jacket for heating the push rod.