Title:
船尾用付加物、船尾用付加物を有した船尾形状、及び船舶
Document Type and Number:
Japanese Patent JP7296107
Kind Code:
B2
Abstract:
To provide a stern addition, a stern shape, and a vessel with better energy conservation effect.SOLUTION: A stern addition 30 attached in front of a propeller attached to a stern of a vessel includes: a duct 31 forming a partial circular shape with a principal unit provided on a top unit of a propeller shaft 21 of the propeller; a plurality of pillars 32 attaching a duct 31 to the stern; and a fin 33 to be attached to at least to the stern provided on a bottom unit of the propeller shaft 21, and an angle of torsion of the fin 33 to the propeller shaft 21 is set to be greater than the angle of torsion of the pillars 32.SELECTED DRAWING: Figure 2
Inventors:
Yasuo Ichinose
Hideki Kawashima
Chiharu Kawakita
Hideki Kawashima
Chiharu Kawakita
Application Number:
JP2019120641A
Publication Date:
June 22, 2023
Filing Date:
June 28, 2019
Export Citation:
Assignee:
National Maritime Research Institute, National Maritime Research Institute
International Classes:
B63B1/08; B63H5/16
Domestic Patent References:
| JP3213165U | ||||
| JP201894959A | ||||
| JP2016175635A |
Foreign References:
| GB2177365A |
Other References:
梶谷尚ら,“3.省エネルギー船のための要素技術”,日本造船学会誌,日本造船学会,1982年02月,第632号,pp.32-55
Attorney, Agent or Firm:
Shinichi Abe
Yoshihiro Shimizu
Yukifumi Tsujita
Takaaki Ota
Yoshihiro Shimizu
Yukifumi Tsujita
Takaaki Ota