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Title:
SHIP DUCT AND SHIP
Document Type and Number:
Japanese Patent JP2008308023
Kind Code:
A
Abstract:

To provide a ship duct and a ship capable of further improving propulsive performance.

The ship duct 20 is equipped with a first platy body 20a and a second platy body 20b. The first platy body 20a is bent in an arc shape having a radius r0, and a cross-sectional shape thereof in a fore-and-aft direction has a wing shape projecting inward. The second platy body 20b is structured by a flat plate, and provided at an end portion of the first platy body 20a. A linear distance r between a center axis X1 of the first platy body 20a and the second platy body 20b satisfies 0r/r00.85.


Inventors:
IWAMOTO SABURO
Application Number:
JP2007157644A
Publication Date:
December 25, 2008
Filing Date:
June 14, 2007
Export Citation:
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Assignee:
SUMITOMO HEAVY IND MARINE & ENG CO LTD
International Classes:
B63H5/16
Domestic Patent References:
JPS58139395U1983-09-19
JPS5338795U1978-04-05
JPH09175488A1997-07-08
JPS56166999U1981-12-10
JPS6238800U1987-03-07
JP2006347285A2006-12-28
JPH0450238Y21992-11-26
JP2003011880A2003-01-15
JP2004130908A2004-04-30
Other References:
犬飼泰彦、他4名: "“舶用省エネ装置−IHIMU半円形ダクト−”", 石川島播磨技報, vol. 第46巻第4号, JPN7009002734, 30 December 2006 (2006-12-30), pages 151 - 155, ISSN: 0001335712
Attorney, Agent or Firm:
Yoshiki Hasegawa
Shiro Terasaki
Yoshiki Kuroki