Title:
BOAT EQUIPPED WITH ADDITIONAL PROPELLER
Document Type and Number:
WIPO Patent Application WO/2016/140347
Kind Code:
A1
Abstract:
Through the present invention, a reduction in fuel consumption can be achieved without compromising operational safety of a ship. In a ship (10) in which a main propeller (11) is driven by a primary engine (12) to obtain propulsion power, a vertical tunnel (30) penetrating through the ship bottom is formed in the bow part of the ship, a transverse tunnel (32) communicated with the vertical tunnel (30) is formed, and an additional-propeller device (24) including an additional propeller (20) and a driving means (22) for the same is provided, and the additional-propeller device (24) is configured so that the additional propeller (20) thereof is provided so as to be able to swivel about the vertical central axis of the vertical tunnel (30), the additional propeller (20) is configured so as to be able to be raised to the height position of the transverse tunnel (32) and lowered below the ship bottom, and the additional propeller (20) is configured so as to be aligned with the transverse tunnel (32) when at the height position of the transverse tunnel (32).
Inventors:
MORIMOTO NOBUYOSHI (JP)
Application Number:
PCT/JP2016/056835
Publication Date:
September 09, 2016
Filing Date:
March 04, 2016
Export Citation:
Assignee:
MORIMOTO NOBUYOSHI (JP)
International Classes:
B63H25/42; B63B11/00; B63H5/15; B63H20/00
Domestic Patent References:
| WO2014184968A1 | 2014-11-20 |
Foreign References:
| US20100175603A1 | 2010-07-15 | |||
| JPS61261188A | 1986-11-19 | |||
| JP2008068796A | 2008-03-27 |
Other References:
See also references of EP 3266701A4
Attorney, Agent or Firm:
NAGAI INTERNATIONAL PATENT BUREAU (JP)
Patent business corporation Nagai international patent firm (JP)
Patent business corporation Nagai international patent firm (JP)
Download PDF: