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1. (WO2015124568) WIND TURBINE BLADE BUSHING SYSTEM

Pub. No.:    WO/2015/124568    International Application No.:    PCT/EP2015/053314
Publication Date: Fri Aug 28 01:59:59 CEST 2015 International Filing Date: Wed Feb 18 00:59:59 CET 2015
IPC: F03D 1/06
Applicants: LM WP PATENT HOLDING A/S
Inventors: JACOBSEN, Torben Krogsdal
SCHURING, Roel
RAMACHANDRAN, Dhinagaran
KOTESHWARA, Madhava Prasad
MAJUMDER, Utsa
KILDEGAARD, Casper
VEERAPPA, Madhusudhan N.
LINDBY, Torben
AACHAR, Prajna
Title: WIND TURBINE BLADE BUSHING SYSTEM
Abstract:
A wind turbine blade bushing system for arrangement in a root end of a wind turbine blade is described. The wind turbine blade bushing system comprises a threaded element for retaining a mounting bolt for a wind turbine blade, the threaded element being formed from a first material; and an anchor element for arrangement at the root end of the wind turbine, wherein the anchor element acts to at least partly retain the threaded element in the wind turbine blade, the anchor element being formed from a second material. The first material has a higher strength and higher fracture toughness than the second material.