Title:
BLADE ATTACHING AND DETACHING DEVICE AND METHOD FOR WIND TURBINE GENERATOR
Document Type and Number:
WIPO Patent Application WO/2013/051167
Kind Code:
A1
Abstract:
It is intended to provide a blade attaching and detaching device and a blade attaching and detaching method for a wind turbine generator, which are capable of lifting and lowering the blade in a stable manner and adjusting the blade into an appropriate attitude. A blade attaching and detaching device for a wind turbine generator 1 used for attaching and detaching the blade 2 in a vertical attitude with respect to a respective blade attaching hole facing downward among a plurality of blade attaching holes 33 of the hub. The device is provided with a pair of cables 41, 42 which are respectively supported by a pair of supporting points and are attached to the blade 2 and which are supported by the hub at a pair of supporting points, and a pair of cable-length adjusting devices which are respectively provided for the pair of cable 41, 42 to independently adjust lengths of the pair of cables 41, 42 between the pair of supporting points 43, 44 and the blade 2. The pair of supporting points 43, 45 are displaced from each other in a direction perpendicular to a plane of rotation of a rotor formed by the hub and the blade 2.
Inventors:
ISHIMITSU KEITA (JP)
AMANO YOSHIYUKI (JP)
DUDEN HEINRICH (GB)
AMANO YOSHIYUKI (JP)
DUDEN HEINRICH (GB)
Application Number:
PCT/JP2012/001077
Publication Date:
April 11, 2013
Filing Date:
February 17, 2012
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD (JP)
ISHIMITSU KEITA (JP)
AMANO YOSHIYUKI (JP)
DUDEN HEINRICH (GB)
ISHIMITSU KEITA (JP)
AMANO YOSHIYUKI (JP)
DUDEN HEINRICH (GB)
International Classes:
F03D1/00
Domestic Patent References:
| WO2010115135A1 | 2010-10-07 | |||
| WO2009128708A2 | 2009-10-22 |
Foreign References:
| DE202004016460U1 | 2004-12-23 | |||
| JP2006152862A | 2006-06-15 | |||
| JP2004293455A | 2004-10-21 | |||
| US20050019166A1 | 2005-01-27 | |||
| US20100139062A1 | 2010-06-10 | |||
| US20080216301A1 | 2008-09-11 | |||
| US20090025219A1 | 2009-01-29 | |||
| US20100018055A1 | 2010-01-28 | |||
| US20100028152A1 | 2010-02-04 |
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: