Patent ID: 9574545
Date: 2017-02-21
CPC Classifications: F03D,F05B,F16B,Y02E

Claim:
1. A connection system for connecting blade sections of a wind turbine blade, comprising at least one intermediate part fixed by bolts or screws on anchoring parts housed in the material of the blade sections to be connected, wherein the at least one intermediate part is disposed between the blade sections and is formed by a complex structure having a first end transverse partition, a second end transverse partition, and a central transverse partition between the first end transverse partition and the second end transverse partition, between the central transverse partition and each of the first end transverse partition and the second end transverse partition there extend a series of columns separated by openings, the openings between the central transverse partition and the first end transverse partition each including short bolts or screws that pass directly through the first end transverse partition and long bolts or screws that pass through the central transverse partition and from the latter inside one of the columns between the central transverse partition and the second end transverse partition until going through the second end transverse partition, and the openings between the central transverse partition and the second end transverse partition each including short bolts or screws that pass directly through the second end transverse partition and long bolts or screws that pass through the central transverse partition and from the latter inside one of the columns between the central transverse partition and the first end transverse partition until going through the first end transverse partition.