METHOD FOR RAISING FLOATING BODY FOR SPAR-TYPE OFFSHORE WIND POWER GENERATION FACILITY

WIPO Patent Application WO/2022/210358

A1

[Problem] To safely and efficiently raise a floating body for a spar-type offshore wind power generation facility by injecting ballast water, at sea. [Solution] A method for raising a floating body 4 for a spar-type offshore wind power generation facility, which is floating sideways, by injecting ballast water at sea, the method comprising: a first step for bringing the floating body 4 for the spar-type offshore wind power generation facility into a state in which the position of center of gravity is made eccentric by a center-of-gravity decentering means; and a second step for raising the floating body 4 for the spar-type offshore wind power generation facility upright by injecting ballast water. The center-of-gravity decentering means can be a weight 2 attached to an outer surface of the floating body 4, or solid ballast 34 put in the floating body 4.

UTSUNOMIYA TOMOAKI (JP)
SATO IKU (JP)
TANAKA KOUJI (JP)
SHINKAWA YASUHIRO (JP)
SAKAI KENTA (JP)

PCT/JP2022/014408

October 06, 2022

March 25, 2022

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TODA CORP (JP)
UNIV KYUSHU NAT UNIV CORP (JP)

F03D13/25; B63B35/00; B63B77/10

WO2003004869A1

2003-01-16

JP2010223113A	2010-10-07
JP5732150B1	2015-06-10
JP2011530676A	2011-12-22
JP5274329B2	2013-08-28
JP2012201219A	2012-10-22
JP2012201217A	2012-10-22

TOMOAKI UTSUNOMIYA, IKU SATO, TAKASHI SHIRAISHI: "Demonstration Project on Floating Offshore Wind Turbine at Kabashima, Goto", SYSTEMS, CONTROL AND INFORMATION, vol. 60, no. 9, 15 September 2016 (2016-09-15), pages 402 - 406, XP055974581, ISSN: 0916-1600, DOI: 10.11509/isciesci.60.9_402

WAIZUMI Hisashi (JP)

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