Title:
SHIP STERN STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2017/154539
Kind Code:
A1
Abstract:
Provided is a ship stern structure having a simple configuration which reduces wave-making resistance, the ship stern structure being effective in controlling the orientation of a traveling ship. This ship stern structure comprises: a propeller 1 which is disposed at the stern of a ship; a rudder 5 which is disposed at the rear of the propeller 1; a rudder horn 4 for mounting the rudder 5 to a hull 3; and fins 10 which are mounted on the rudder horn 4 in a manner protruding in the hull width direction. The vertical distance between the rotary shaft of the propeller 1 and the mounting position of the fins 10 is preferably 0.75 R or more, and the length of the fins 10 in the hull width direction is preferably less than 1.0 R, where R is the radius of rotation of the propeller 1.
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| JPH0532192 | STRAIGHT ADVANCE DEVICE OF BOAT |
Inventors:
SHI JIANGANG (JP)
SHIBATA KENICHI (JP)
TAN GUIWEI (JP)
UEHARA MASANARI (JP)
SHIBATA KENICHI (JP)
TAN GUIWEI (JP)
UEHARA MASANARI (JP)
Application Number:
PCT/JP2017/006112
Publication Date:
September 14, 2017
Filing Date:
February 20, 2017
Export Citation:
Assignee:
TSUNEISHI SHIPBUILDING CO LTD (JP)
International Classes:
B63H25/38
Foreign References:
| JP2002178992A | 2002-06-26 | |||
| JPS595500U | 1984-01-13 | |||
| JPH0526797U | 1993-04-06 | |||
| KR20110064830A | 2011-06-15 |
Attorney, Agent or Firm:
NOBUSUE Takayuki (JP)
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