US2008256892A1PendingUtilityA1

Wind energy plant tower

Assignee: NORDEX ENERGY GMBHPriority: Apr 17, 2007Filed: Jul 11, 2007Published: Oct 23, 2008
Est. expiryApr 17, 2027(~0.7 yrs left)· nominal 20-yr term from priority
Inventors:Michael Franke
Y02E10/728F03D 13/20E04H 12/08F05B 2240/912Y02E10/72
52
PatentIndex Score
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Claims

Abstract

A wind energy plant tower with a load-bearing tower wall, which has a circulating outer periphery and consists of a plurality of wall sections, which each one have one centre section and two border sections running in the longitudinal direction of the tower, which are provided with a plurality of connection bores, wherein the surfaces defined by the border sections run along the outer periphery or in a constant distance to the same, and the connection bores are aligned transversely to the outer periphery.

Claims

exact text as granted — not AI-modified
1 . A wind energy plant tower with a load-beating tower wall, which has a circulating outer periphery and consists of a plurality of wall sections ( 18 ,  30 ,  40 ,  60 ,  70 ,  100 ,  110 ), which each one have one centre section ( 20 ) and two border sections ( 22 ,  32 ,  42 ,  62 ,  72 ,  102 ,  112 ) running in the longitudinal direction of the tower, which are provided with a plurality of connection bores ( 26 ,  36 ,  46 ,  65 ,  74 ,  104 ,  114 ), characterised in that the surfaces defined by the border sections run along the outer periphery or in a constant distance to the same, and the connection bores ( 26 ,  36 ,  46 ,  65 ,  74 ,  104 ,  114 ) are aligned transversely to the outer periphery. 
   
   
       2 . A wind energy plant tower according to  claim 1 , characterised in that the tower has a circular or polygonal cross section. 
   
   
       3 . A wind energy plant tower according to  claim 1 , characterised in that the connection bores are arranged in rows which run in the longitudinal direction of the tower. 
   
   
       4 . A wind energy plant tower according to  claim 1 , characterised in that the connection bores ( 46 ,  36 ) of a border section are spaced apart from each other in the perimeter direction of the tower. 
   
   
       5 . A wind energy plant tower according to  claim 1 , characterised in that a first border section ( 32 ) of a first wall section ( 30 ) and a second border section ( 42 ) of a second wall section ( 40 ) overlap each other and that a plurality of connection elements ( 48 ) are provided, which are each at a time lead through one connection bore ( 36 ) of the first border section ( 32 ) and through one connection bore ( 46 ) of the second border section ( 42 ). 
   
   
       6 . A wind energy plant tower according to  claim 1 , characterised in that a first border section ( 62 ,  102 ) of a first wall section ( 60 ,  100 ) and a second, neighbouring border section ( 72 ,  112 ) of a second wall section ( 70 ,  110 ) are arranged side by side and are connected with each other through a joint piece ( 80 ,  82 ,  116 ) which has connection bores ( 84 ,  86 ,  118 ) and overlaps the first border section ( 62 ,  102 ) and the second border section ( 72 ,  112 ). 
   
   
       7 . A wind energy plant tower according to  claim 6 , characterised in that the first border section ( 62 ,  100 ) and the second border section ( 72 ,  112 ) are spaced apart from each other in the perimeter direction. 
   
   
       8 . A wind energy plant tower according to  claim 6 , characterised in that the first border section and the second border section are immediately adjacent in the perimeter direction. 
   
   
       9 . A wind energy plant tower according to  claim 6 , characterised in that the joint piece ( 80 ) is arranged on the outer side of the tower. 
   
   
       10 . A wind energy plant tower according to  claim 6 , characterised in that the joint piece ( 80 ,  82 ,  116 ) extends across a border section of a wall section in the longitudinal direction of the tower, which has a plurality of connection bores. 
   
   
       11 . A wind energy plant tower according to  claim 6 , characterised in that the joint piece ( 80 ,  82 ,  116 ) extends across the overall length of a wall section in the longitudinal direction of the tower. 
   
   
       12 . A wind energy plant tower according to  claim 6 , characterised in that an additional joint piece ( 82 ) is arranged on the inner side of the tower, which has connection bores ( 86 ) and which overlaps the first border section ( 62 ) and the second border section ( 72 ). 
   
   
       13 . A wind energy plant tower according to  claim 6 , characterised in that the connection bores ( 118 ) in the joint piece ( 116 ) on the outer side of the tower have threads, which co-operate with threaded bolts ( 104 ) which are lead from the inner side of the tower through a connection bore ( 104 ,  114 ) of a border section 
   
   
       14 . A wind energy plant tower according to  claim 13 , characterised in that the joint piece ( 116 ) has a greater thickness than the wall sections ( 18 ,  30 ,  40 ,  60 ,  70 ,  100 ,  110 ). 
   
   
       15 . A wind energy plant tower according to  claim 1 , characterised in that the tower has a plurality of tower segments in the longitudinal direction, wherein the wall sections ( 18 ,  30 ,  40 ,  60 ,  70 ,  100 ,  110 ) each at a time extend across the length of one tower segment. 
   
   
       16 . A wind energy plant tower according to  claim 1 , characterised in that all the wall sections ( 18 ,  30 ,  40 ,  60 ,  70 ,  100 ,  110 ) of the tower or all the wall sections of a tower segment have the same shape and dimension. 
   
   
       17 . A wind energy plant tower according to  claim 1 , characterised in that the border sections ( 22 ,  32 ,  42 ,  62 ,  72 ,  102 ,  112 ) of a wall section extend across the whole length of the wall section in the longitudinal direction of the tower. _

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