JPS647099U

JPS647099U -

Info

Publication number: JPS647099U
Application number: JP10245987U
Authority: JP
Priority date: 1987-07-02
Filing date: 1987-07-02
Publication date: 1989-01-17

Description

[Brief explanation of the drawing]

第１図〜第７図は本考案の一実施例を示し、第
１図は舵部分の斜視図、第２図は同上面図、第３
図は船舶の側面図、第４図は舵を右舷側にとつた
ときの概略上面図、第５図は第４図における要部
の拡大図、第６図は舵を左舷側にとつたときの概
略上面図、第７図は第６図における要部の拡大図
、第８図は別の実施例を示す舵部分の上面図、第
９図は本考案と比較するための従来の舵部分の上
面図、第１０図、第１１図は従来例を示す概略上
面図である。１……船体、３……トンネル、４……プロペラ
、５……バウスラスター、６Ａ，６Ｂ……水流、
７……舵、８……縦中心線、１０……舵本体、１
３……中心線、１４……前縁、１５……前部側面
、１５ａ……凸面、１６……中間部側面、１６ａ
……凹面、１７……後縁、１８……後部側面、１
９……プロペラ、２０……機関室、２２Ａ，２２
Ｂ……プロペラ後流、２５……前部側面、２６…
…中間部側面、２７……後部側面、Ｔ……最大断
面幅、ｔ……最小断面幅、θ_１，θ_２……最大舵
角。 Figures 1 to 7 show an embodiment of the present invention, in which Figure 1 is a perspective view of the rudder section, Figure 2 is a top view of the same, and Figure 3 is a perspective view of the rudder section.
The figure is a side view of the ship, Figure 4 is a schematic top view when the rudder is set on the starboard side, Figure 5 is an enlarged view of the main parts in Figure 4, and Figure 6 is when the rudder is set on the port side. 7 is an enlarged view of the main parts in FIG. 6, FIG. 8 is a top view of a rudder section showing another embodiment, and FIG. 9 is a conventional rudder section for comparison with the present invention. 10 and 11 are schematic top views showing conventional examples. 1...Hull, 3...Tunnel, 4...Propeller, 5...Bow thruster, 6A, 6B...Water flow,
7... Rudder, 8... Vertical center line, 10... Rudder body, 1
3... Center line, 14... Front edge, 15... Front side surface, 15a... Convex surface, 16... Intermediate side surface, 16a
... Concave surface, 17 ... Trailing edge, 18 ... Rear side, 1
9...Propeller, 20...Engine room, 22A, 22
B...Propeller wake, 25...Front side, 26...
... Middle part side surface, 27 ... Rear side surface, T ... Maximum cross-sectional width, t ... Minimum cross-sectional width, θ ₁ , θ ₂ ... Maximum steering angle.

Claims

[Scope of utility model registration request]

It has a bow thruster with a propeller installed in a tunnel formed in the bow in the ship's width direction, one propeller installed in the stern, and one rudder facing the propeller. It has a horizontal cross section that is symmetrical about the longitudinal centerline, and this horizontal cross section includes a convex semicircular leading edge, a front side surface connected to this leading edge that extends in the longitudinal direction, and gradually decreases in width. , an intermediate side surface connected to this front side surface and extending longitudinally and forming a minimum cross-sectional width; A ship having a lateral movement device characterized by a combination of a rear side surface with an increasing cross-sectional width.