Title:
ラダーのステアリング作用高進装置
Document Type and Number:
Japanese Patent JP4095118
Kind Code:
B2
Abstract:
PCT No. PCT/NO98/00087 Sec. 371 Date Sep. 23, 1999 Sec. 102(e) Date Sep. 23, 1999 PCT Filed Mar. 19, 1998 PCT Pub. No. WO98/42565 PCT Pub. Date Oct. 1, 1998An apparatus for enhancing the steering effect of ship rudders comprising a rudder with at least one passageway for supplying seawater to ducts in the rudder, and a profile element extending substantially vertically at a leading edge of the rudder and being pivotable about a generally vertical axis, wherein distribution ducts formed between the profile element and the rudder communicate with the passageway and are adjustable so that relative movement of the profile element and the rudder causes seawater to be discharged along the rudder surface facing abaft.
Inventors:
Ahrid K. Samuelsen
Application Number:
JP54095498A
Publication Date:
June 04, 2008
Filing Date:
March 19, 1998
Export Citation:
Assignee:
Offshore Partners Ayes
International Classes:
B63H25/38; B63H25/46; B63H25/52
Domestic Patent References:
| JP57110597A | ||||
| JP49001436B1 | ||||
| JP43008220B1 | ||||
| JP61067099U |
Foreign References:
| US3680511 | ||||
| US4515101 |
Attorney, Agent or Firm:
Takao Kawasaki