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Title:
WIND TURBINE BLADE FOR A WIND TURBINE
Document Type and Number:
WIPO Patent Application WO/2013/084370
Kind Code:
A1
Abstract:
The invention relates to a wind turbine blade for a wind turbine, having a tip end area, a tip end and a root end area and a lightning protection system. The lightning protection system comprises at least one metal foil, wherein said metal foil extends continuously from a first end in the tip end area towards the root end area of the blade and wherein the metal foil is arranged in proximity to the outer surface of the blade, so that the metal foil is adapted to function as a receptor of a stroke of lightning and as a down conductor. The lightning protection system further comprises a first metallic lightning receptor being in direct electrical contact with the metal foil, wherein the first metallic lightning receptor is disposed in proximity to the outer surface of the blade and between the first end of the metal foil and the blade tip end.

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Inventors:
FUJIOKA, Hideyasu (C/O MITSUBISHI HEAVY INDUSTRIES LTD, 16-5, Konan 2-chome, Minato-k, Tokyo 15, 10882, JP)
Application Number:
JP2012/001310
Publication Date:
June 13, 2013
Filing Date:
February 24, 2012
Export Citation:
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Assignee:
MITSUBISHI HEAVY INDUSTRIES, LTD. (16-5, Konan 2-chome Minato-k, Tokyo 15, 10882, JP)
FUJIOKA, Hideyasu (C/O MITSUBISHI HEAVY INDUSTRIES LTD, 16-5, Konan 2-chome, Minato-k, Tokyo 15, 10882, JP)
International Classes:
H02G13/00; F03D11/00
Domestic Patent References:
WO2008101506A22008-08-28
WO2008101506A22008-08-28
Foreign References:
EP2267280A22010-12-29
EP2122162A22009-11-25
EP2267280A22010-12-29
Attorney, Agent or Firm:
TAKAHASHI, MATSUMOTO & PARTNERS INTELLECTUAL PROPERTY CORP. (Room 1003, Ambassador Roppongi Buildings 16-13, Roppongi 3-chome, Minato-k, Tokyo 32, 10600, JP)
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Claims: