Title:
洋上風力発電設備及びその施工方法
Document Type and Number:
Japanese Patent JP5274329
Kind Code:
B2
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:
Osamu Kobayashi
Iku Sato
Kiyohiko Taka
Yoshiaki Oguwa
Iku Sato
Kiyohiko Taka
Yoshiaki Oguwa
Application Number:
JP2009071884A
Publication Date:
August 28, 2013
Filing Date:
March 24, 2009
Export Citation:
Assignee:
Toda Construction Co., Ltd.
Nippon Hume Co., Ltd.
Nippon Hume Co., Ltd.
International Classes:
F03D9/00; B63B22/20; B63B35/00; B63B35/38; F03D11/04
Domestic Patent References:
| JP200913829A | ||||
| JP200957713A | ||||
| JP200771097A |
Foreign References:
| US20090000227 | ||||
| US20040169376 | ||||
| WO2005028781A2 |
Attorney, Agent or Firm:
Hisashi Izumi