Title:
METHOD FOR OPERATING LIQUIFIED GAS TANKER, AND LIQUIFIED GAS TANKER
Document Type and Number:
WIPO Patent Application WO/2024/013947
Kind Code:
A1
Abstract:
The method for operating a liquified gas tanker according to one aspect of the present disclosure is a method for operating a liquified gas tanker provided with a cargo tank in which a liquified gas is stored, a fixed ballast zone which is positioned in a center area including a longitudinal-direction center of a ship's hull, a forward ballast zone which is positioned forward of the center area, and a rearward ballast zone which is positioned rearward of the center area, in which a ballast is loaded in the fixed ballast zone, the forward ballast zone and the rearward ballast zone when the liquified gas is not stored in the cargo tank, i.e., when the cargo tank is with an empty load, and the weight of the ballast is reduced to a value smaller than that in the emptily loaded state in at least one of the forward ballast zone and the rearward ballast zone and the weight of the ballast is the same as that in the emptily loaded state in the fixed ballast zone when the cargo tank is in a fully loaded state, i.e., when the liquified gas is stored in the cargo tank.
Inventors:
OHASHI TETSUYA
TOMINAGA HARUHIKO
KATAYAMA TOMOHIRO
KURODA KAZUHIRO
YOKOYAMA GENKI
GOTO RIKAKO
TOMINAGA HARUHIKO
KATAYAMA TOMOHIRO
KURODA KAZUHIRO
YOKOYAMA GENKI
GOTO RIKAKO
Application Number:
PCT/JP2022/027740
Publication Date:
January 18, 2024
Filing Date:
July 14, 2022
Export Citation:
Assignee:
KAWASAKI HEAVY IND LTD (JP)
International Classes:
B63B43/06
Foreign References:
| KR200409291Y1 | 2006-02-24 | |||
| KR102155744B1 | 2020-09-14 | |||
| JP2001260982A | 2001-09-26 | |||
| JPS61143287A | 1986-06-30 | |||
| JP2011218438A | 2011-11-04 |
Other References:
DEEP HASAN: "Structural design of mega LNG carrier ", MASTER THESIS WEST POMERANIAN UNIVERSITY OF TECHNOLOGY, SZCZECIN, 1 February 2013 (2013-02-01), pages 1 - 124, XP093129777
KANG HEE JIN, KIM KWANG-SOO, CHOI JIN, LEE YEONG-YEON, AHN HAESEONG, YIM GEUN-TAE: "A Feasibility Review for an Uneven Baseline Basis Minimal Ballast Ship", JOURNAL OF OCEAN ENGINEERING AND TECHNOLOGY, vol. 34, no. 1, 28 February 2020 (2020-02-28), pages 1 - 12, XP093129781, ISSN: 1225-0767, DOI: 10.26748/KSOE.2019.111
KANG HEE JIN, KIM KWANG-SOO, CHOI JIN, LEE YEONG-YEON, AHN HAESEONG, YIM GEUN-TAE: "A Feasibility Review for an Uneven Baseline Basis Minimal Ballast Ship", JOURNAL OF OCEAN ENGINEERING AND TECHNOLOGY, vol. 34, no. 1, 28 February 2020 (2020-02-28), pages 1 - 12, XP093129781, ISSN: 1225-0767, DOI: 10.26748/KSOE.2019.111
Attorney, Agent or Firm:
ARCO PATENT & TRADEMARK ATTORNEYS (JP)
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