Title:
PROPULSION DEVICE FOR SHIP
Document Type and Number:
WIPO Patent Application WO/2011/055557
Kind Code:
A1
Abstract:
A propulsion device for a ship is provided with a port propeller, a starboard propeller, a port propeller shaft, and a starboard propeller shaft. The port propeller shaft extends rearward from the stern portion of the ship's body and is connected to the port propeller. The starboard propeller shaft extends rearward from the stern portion of the ship's body and is connected to the starboard propeller. If the diameter of the port propeller and the starboard propeller is Dp, the distance between the tips of the propeller blades of the port propeller and the tips of the propeller blades of the starboard propeller is in the range of 0-0.5 Dp inclusive.
Inventors:
MATSUMOTO DAISUKE (JP)
Application Number:
PCT/JP2010/052459
Publication Date:
May 12, 2011
Filing Date:
February 18, 2010
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD (JP)
MATSUMOTO DAISUKE (JP)
MATSUMOTO DAISUKE (JP)
International Classes:
B63H5/08; B63B1/08
Domestic Patent References:
| WO2006095774A1 | 2006-09-14 |
Foreign References:
| JPS4737316B1 | 1972-09-20 | |||
| JPS5777282A | 1982-05-14 | |||
| JP2007253710A | 2007-10-04 | |||
| JPS49111389A | 1974-10-23 | |||
| JP2009255672A | 2009-11-05 |
Other References:
See also references of EP 2500260A4
Attorney, Agent or Firm:
KUDOH Minoru (JP)
Minoru Kudo (JP)
Minoru Kudo (JP)
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