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Title:
WIND TURBINE
Document Type and Number:
WIPO Patent Application WO/2013/076754
Kind Code:
A1
Abstract:
The invention relates to a wind turbine, comprising a hub, at least one blade, said blade being pivotably installed at said hub, at least one pitch bearing, said pitch bearing having an inner bearing ring and an outer bearing ring, said inner bearing ring having an inner wall in radial direction and a first end and a second end in axial direction and at least one reinforcing element to enhance the stiffness of said pitch bearing, wherein the reinforcing element is arranged adjoining the inner wall of the inner bearing ring.

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Inventors:
ZAEHR MATTHIAS (GB)
Application Number:
PCT/JP2011/006480
Publication Date:
May 30, 2013
Filing Date:
November 22, 2011
Export Citation:
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Assignee:
MITSUBISHI HEAVY IND LTD (JP)
ZAEHR MATTHIAS (GB)
International Classes:
F03D1/06; F03D7/02; F03D11/00
Domestic Patent References:
WO2007006301A12007-01-18
WO2007006301A12007-01-18
Foreign References:
US20110142631A12011-06-16
US20040240997A12004-12-02
EP2045464A22009-04-08
US20080213095A12008-09-04
US20080213095A12008-09-04
EP2045464A22009-04-08
US20040240997A12004-12-02
US20080213095A12008-09-04
US20110142631A12011-06-16
Attorney, Agent or Firm:
TAKAHASHI, MATSUMOTO & PARTNERS INTELLECTUAL PROPERTY CORP. (Ambassador Roppongi Buildings 16-13, Roppongi 3-chome, Minato-k, Tokyo 32, JP)
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Claims:



 
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