Title:
SHIP WITH COURSE STABILIZING DEVICE
Document Type and Number:
Japanese Patent JP3937013
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a ship with a course stabilizing device capable of separately controlling rotary motion of a fin and swinging of a pod propeller as the pod propeller while a stern is provided with a fin serving as a course stabilizing device and capable of effecting full improvement of turn performance of a hull.
SOLUTION: In a ship constituted that an under surface 1 of the bottom of a stern part is inclined in a manner to gently rise toward a stern end, a pod propeller 3 is mounted on the lower end of a rotary motion controllable vertical shaft 2 hanging down into water from the rear part of the stern part. A fin 8 for stabilizing a course is fixed at a cylindrical outer shaft 7 disposed in a manner to surround the vertical shaft 2. The fin 8 is situated between the pod propeller 3 and the under surface 1 of the bottom and rotary motion is controlled separately from swinging of the pod propeller 3.
Inventors:
Haraguchi Tomihiro
Application Number:
JP2002303254A
Publication Date:
June 27, 2007
Filing Date:
October 17, 2002
Export Citation:
Assignee:
Japan Maritime Research Institute
International Classes:
B63H25/00; B63B39/06; B63H5/125; B63H25/42; (IPC1-7): B63H25/00; B63B39/06; B63H5/125; B63H25/42
Domestic Patent References:
| JP4123900U | ||||
| JP39013969B1 | ||||
| JP3501714A | ||||
| JP2000177694A | ||||
| JP2000511488A |
Attorney, Agent or Firm:
Yoshihiko Iinuma
Karasawa Yukichi
Karasawa Yukichi