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Title:
COMPOUND ENERGY-SAVING PROPULSION SYSTEM FOR SHIP, AND SINGLE-SCREW TWIN-RUDDER SHIP
Document Type and Number:
Japanese Patent JP2011025734
Kind Code:
A
Abstract:

To achieve the energy-saving effect larger than the sum of the effect of each device by combining a plurality of kinds of energy-saving devices in a single-screw twin-rudder ship.

A ship compound energy-saving propulsion device 10 provided with a cylindrical stern duct 20 arranged on a stern part in front of a propeller 2 and having a blade profile section, and a fin-equipped rudder 30 having fins provided in a horizontally projecting manner on inner side surfaces of a pair of rudders 3 arranged behind the propeller 2 is mounted on a single-screw twin-rudder ship 100.


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Inventors:
MASUDA SEIJI
HIROTA KAZUYOSHI
Application Number:
JP2009170802A
Publication Date:
February 10, 2011
Filing Date:
July 22, 2009
Export Citation:
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Assignee:
UNIVERSAL SHIPBUILDING CORP
International Classes:
B63H5/16; B63H25/38
Domestic Patent References:
JPH09175488A1997-07-08
JP2006347285A2006-12-28
JP2008189133A2008-08-21
JP2007331549A2007-12-27
JPH0317996U1991-02-21
Attorney, Agent or Firm:
Hisao Kobayashi
Kiyoshi Yasushima
Takanashi Norio
Taku Ogawa



 
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