US2018142558A1PendingUtilityA1

Turbomachine blade system

Assignee: MTU Aero Engines AGPriority: Nov 21, 2016Filed: Nov 20, 2017Published: May 24, 2018
Est. expiryNov 21, 2036(~10.3 yrs left)· nominal 20-yr term from priority
Inventors:Richard Scharl
F04D 29/668F01D 25/06F04D 29/324F01D 5/16F01D 25/04F05D 2230/50F01D 5/26F01D 9/02F04D 29/542F05D 2250/241F01D 5/22Y02T50/60
58
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Claims

Abstract

A turbomachine blade system, in particular for a compressor or turbine stage of a gas turbine, which includes at least one blade, in particular a moving or guide blade, and at least one moving body for reducing the vibrations of this blade, at least one area of a guide for guiding the body and/or at least one area of a supporting structure for resiliently mounting the body and/or at least one area of the body being or becoming generatively manufactured together with at least one area of the blade, in particular of a vane and/or blade root and/or a shroud situated thereon.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A turbomachine blade system comprising:
 at least one blade; and   at least one moving body for reducing the vibrations of the blade, at least one area of a guide for guiding the body or at least one area of a supporting structure for resiliently mounting the body or at least one area of the body being generatively manufactured together with at least one area of the blade.   
     
     
         2 . The turbomachine blade system as recited in  claim 1  wherein the body is an impulse body for reducing the vibrations of the blade through multiple impact contacts. 
     
     
         3 . The turbomachine blade system as recited in  claim 1  wherein the generatively manufactured area of the blade has a contact surface for contacting the body. 
     
     
         4 . The turbomachine blade system as recited in  claim 1  wherein the generatively manufactured area of the blade, the generatively manufactured area of the guide, the generatively manufactured area of the supporting structure or the generatively manufactured area of the body includes metal. 
     
     
         5 . The turbomachine blade system as recited in  claim 1  wherein the generatively manufactured area of the blade, the generatively manufactured area of the guide, the generatively manufactured area of the supporting structure or the generatively manufactured area of the body is manufactured from metal powder. 
     
     
         6 . The turbomachine blade system as recited in  claim 1  wherein the guide has an open or closed hollow space, the body being situated with clearance in the open or closed hollow space. 
     
     
         7 . The turbomachine blade system as recited  claim 5  wherein a maximum outer dimension of the body is larger than a maximum inner dimension of a through-opening of a wall of the open hollow space. 
     
     
         8 . The turbomachine blade system as recited in  claim 1  wherein a maximum outer dimension of the body is smaller than a maximum clearance of the body in the guide. 
     
     
         9 . The turbomachine blade system as recited in  claim 1  wherein a maximum outer dimension of the body is larger than a maximum clearance of the body in the guide. 
     
     
         10 . The turbomachine blade system as recited in  claim 1  wherein the body, the guide or the supporting structure is situated in a cavity at least partially defined by the blade. 
     
     
         11 . The turbomachine blade system as recited in  claim 1  wherein the body, the guide or the supporting structure is situated in a closed cavity at least partially defined by the generatively manufactured area of the blade. 
     
     
         12 . The turbomachine blade system as recited in  claim 1  wherein the blade is a moving blade. 
     
     
         13 . The turbomachine blade system as recited in  claim 1  wherein the blade is a guide blade. 
     
     
         14 . The turbomachine blade system as recited in  claim 1  wherein the generatively area of the blade is on a vane or blade root or a shroud. 
     
     
         15 . A compressor or turbine stage of a gas turbine comprising the turbomachine blade system as recited in  claim 1 . 
     
     
         16 . A turbomachine comprising at least one turbomachine blade system as recited in  claim 1 . 
     
     
         17 . A gas turbine comprising the turbomachine as recited in  claim 16 . 
     
     
         18 . A method for manufacturing a turbomachine blade system as recited in  claim 1  wherein the area of the guide, the supporting structure or the body is generatively manufactured together with the area of the blade.

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