Title:
OFFSHORE WIND POWER GENERATOR AND CONSTRUCTION METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO2010110330
Kind Code:
A1
Abstract:
Disclosed is an offshore wind power generator having such advantages that the offshore wind power generator can be easily and safely assembled at sea, maintenance can be facilitated, and the like. The offshore wind power generator comprises a floating body (2), a deck (3) which is installed on the floating body (2), mooring cables (4, 4,...) connected to the deck (3), a tower (5) installed upright on the deck (3), and a nacelle (6) and a plurality of wind turbine blades (7, 7,...) provided at the top of the tower (5), wherein the floating body (2) has a spar-type floating structure consisting of a lower side concrete floating structure (2A) in which respective precast cylindrical bodies (12) made of concrete are stacked in multiple stages in the height direction and fastened tightly by means of a PC steel material (19) and integrated, and an upper side steel floating structure (2B) provided continuously to the upper side of the lower side concrete floating structure (2A) with a bottomed hollow portion opened at the upper end thereof, and the tower (5) can be freely elevated or lowered by a tower hoist (8) provided on the deck (3) at least during construction, and can be housed in the floating body (2).
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Inventors:
KOBAYASHI OSAMU (JP)
SATO IKU (JP)
KO KIYOHIKO (JP)
OKUWA YOSHIAKI (JP)
SATO IKU (JP)
KO KIYOHIKO (JP)
OKUWA YOSHIAKI (JP)
Application Number:
PCT/JP2010/055107
Publication Date:
September 30, 2010
Filing Date:
March 24, 2010
Export Citation:
Assignee:
TODA CORP (JP)
SASEBO HEAVY IND CO LTD (JP)
KOBAYASHI OSAMU (JP)
SATO IKU (JP)
KO KIYOHIKO (JP)
OKUWA YOSHIAKI (JP)
SASEBO HEAVY IND CO LTD (JP)
KOBAYASHI OSAMU (JP)
SATO IKU (JP)
KO KIYOHIKO (JP)
OKUWA YOSHIAKI (JP)
International Classes:
F03D9/00; B63B22/20; B63B35/00; B63B35/38; F03D11/04
Domestic Patent References:
| WO2005028781A2 | 2005-03-31 |
Foreign References:
| JP2009013829A | 2009-01-22 | |||
| JP2009057713A | 2009-03-19 | |||
| US20090000227A1 | 2009-01-01 | |||
| US20040169376A1 | 2004-09-02 | |||
| JP2007071097A | 2007-03-22 |
Attorney, Agent or Firm:
WAIZUMI Hisashi (JP)
Hisashi Izumi (JP)
Hisashi Izumi (JP)
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