Title:
船舶
Document Type and Number:
Japanese Patent JP7049851
Kind Code:
B2
Abstract:
To improve propulsion performance by reducing wave resistance in an attachment unit of a rudder in a vessel.SOLUTION: A vessel includes a hull 10, a pair of right and left propellers 19A, 19B arranged in a stern 12 of the hull 10, and a pair of right and left rudders 20A, 20B arranged behind the pair of right and left propellers 19A, 19B in the stern 12 of the hull 10, and a pair of right and left projection units 31A, 31B projecting below are provided on a bottom 13 to which the pair of right and left rudders 20A, 20B are attached in a vessel width direction Y of the vessel 10 in positions of rotational center lines RCL1, RCL2 of the pair of right and left rudders 20A, 20B in a vessel length direction X of the vessel 10.SELECTED DRAWING: Figure 7
Inventors:
Tomoyuki Yamada
Kawabuchi Shin
Kawabuchi Shin
Application Number:
JP2018024204A
Publication Date:
April 07, 2022
Filing Date:
February 14, 2018
Export Citation:
Assignee:
Mitsubishi Shipbuilding Co., Ltd.
International Classes:
B63B1/40; B63H5/08; B63H25/38
Domestic Patent References:
| JP733072A | ||||
| JP4257797A | ||||
| JP5777282A | ||||
| JP2010195302A | ||||
| JP4937386A | ||||
| JP2008099672A1 |
Attorney, Agent or Firm:
Sakai International Patent Office
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