A stern structure (1) includes: a stern projection (3) positioned in front of a propeller (5); a fan-shaped duct (6) provided to the stern projection (3) so as to surround a space above the stern projection (3); and a fin (7) which is provided on the stern protrusion (3) so as to laterally protrude from the stern protrusion (3), and which generates a thrust force by means of the obliquely downward water flow. The fins (7) in the vertical direction are entirely positioned below the guide pipe (6) and the fins (7) in the ship length direction are entirely positioned in front of the guide pipe (6) in such a manner that the obliquely downward water flow toward the fins (7) is changed into the water flow toward the inside of the guide pipe (6).
船尾结构(1)包含:位于推进器(5)的前方的船尾突出部(3);以包围船尾突出部(3)的上方的空间的形式设置于所述船尾突出部(3)的扇形导管(6);和以从船尾突出部(3)横向突出的形式设置于所述船尾突出部(3),利用向斜下的水流产生推力的鳍(7)。以朝向鳍(7)的向斜下的水流变为朝向导管(6)内的水流的形式,在上下方向鳍(7)整体位于导管(6)的下方且在船长方向鳍(7)整体位于导管(6)的前方。
Stern structure
船尾结构
2021-06-08
Patent
Electronic Resource
Chinese