JPS63104300U

JPS63104300U -

Info

Publication number: JPS63104300U
Application number: JP19971786U
Authority: JP
Priority date: 1986-12-26
Filing date: 1986-12-26
Publication date: 1988-07-06

Description

[Brief explanation of the drawing]

第１ａ図及び第１ｂ図は、本考案の船舶用舵の
形状の第１の実施例であり、第１ａ図及び第１ｂ
図は、第３図のａ―ａ線及びｂ―ｂ線断
面図、第２ａ図及び第２ｂ図は、本考案の第２の
実施例であり、第２ａ図及び第２ｂ図は、第３図
のａ線及びｂ―ｂ断面図及び第２ｃ図は、
舵に作用する流体力の説明を示している。第３図
は、本考案及び従来例を示す船尾部側面図である
。第４図〜第９図は、従来の船舶用舵の形状の例
であり、第４図、第５図、第６図、第７図及び第
８図は、第３図の―線、―線、―線
、―線及び―線断面図、及び第９図は、
プロペラの回転により発生する渦の説明図である
。１……船体、４……プロペラ、７……舵、ＣＬ
……船体中心線。 1a and 1b show a first embodiment of the shape of the ship rudder of the present invention;
The figures are sectional views taken along lines a-a and b-b in Fig. 3, Figs. 2a and 2b show the second embodiment of the present invention, and Figs. The a-line, bb-b cross-sectional view, and FIG. 2c are as follows:
An illustration of the hydrodynamic forces acting on the rudder is shown. FIG. 3 is a side view of the stern section showing the present invention and a conventional example. 4 to 9 are examples of the shapes of conventional ship rudders, and FIGS. 4, 5, 6, 7, and 8 are the lines shown in FIG. The line, -line, -line and -line cross-sectional views and Figure 9 are as follows:
FIG. 3 is an explanatory diagram of a vortex generated by rotation of a propeller. 1... Hull, 4... Propeller, 7... Rudder, CL
...Hull centerline.

Claims

[Scope of utility model registration request]

A marine rudder is disposed at the rear of the axis of a propeller that is installed laterally from the center of the ship, and the rudder has an asymmetrical cross-sectional shape with a concave side on the side where the propeller is installed and a convex side on the opposite side. The shape of a ship's rudder.