JPS6139691U

JPS6139691U - Hull frictional resistance reduction device

Info

Publication number: JPS6139691U
Application number: JP1984125683U
Authority: JP
Inventors: 啓三徳永
Original assignee: 三菱重工業株式会社
Priority date: 1984-08-17
Filing date: 1984-08-17
Publication date: 1986-03-13

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１〜４図は本考案の第１実施例としての船体摩擦抵抗
軽減装置を示すもので、第１図はその縦断面図、第２図
は第１図の■一■線に沿う矢視断面図、第３図は第２図
の■一蚕線に沿う断面図、第４図は第２図のＩＶ−ＩＶ
線に沿う断面図であり、第５〜８図は本考案の第２実施
例としての船体摩擦抵抗軽減装置を示すもので、第５図
はその縦断面図、第６図は第５区のＶＩ−ＶＩ線に沿う
矢視断面図、第７図は第６図の■一■線に沿う断面図、
第８図は第６図の■一■線に沿う断面図であって、第９
〜１６図は本考案に至る中間段階の技術としての船体摩
擦抵抗軽減装置を示すもので、第９図は同装置をそなえ
た船舶の側面図、第１０図は上Ｃ・記船舶の下
面図、第１１図は上記船舶の正面図、第１２図は第１０
図のｘｎ−ｘｎ線に沿う拡大矢視断面図、第１３図は第
１２図のｘｍ−ｘｍ線に沿う矢視断面図、第１４図は第
Ｌ２図のＸＩＶ−Ｘ■線に沿う矢視断面図、第１５図は
第１４図のＸＶ−ＸＶ線に沿う断面図、第１６図は第１
４図のＸＶＩ−ＸＶＩ線に沿う断面図である。１，１′・・・・・・船体摩擦抵抗軽減装置、２・・・
・・・船．体、３・・・・・・船側外板、４・・・・・
・船底外板、５・・・・・・プ−口ペラ、６・・・・・
・舵、７・・・・・・薄板、８・・・・・・支柱、１１
，ｌｌａ・・・・・・通気用パイプ、１２・・・・・・
船体内部、１３・・・・・・コンプレッサー、１６・・
・・・・連結棒、１７・・・・・・昇降装置、１９・・
・・・・水密筒、２０・・・・・・水密パッキン、２３
・・・・・・薄板の後縁、２４・・・・・・支柱の後縁
、２５・・・・・・薄板の前縁、２６・・・・・・支柱
の前縁、２７・・・・・・スリット、２８・・・・・・
多孔性部材、２９・・・・・・凸部、３０・・・・・・
凹部。Figures 1 to 4 show a hull frictional resistance reducing device as a first embodiment of the present invention. Figure 1 is a longitudinal sectional view thereof, and Figure 2 is a view taken along the line Cross-sectional view, Figure 3 is a cross-sectional view along the line ■1 in Figure 2, Figure 4 is a cross-sectional view taken from IV-IV in Figure 2.
5 to 8 show a hull frictional resistance reducing device as a second embodiment of the present invention, FIG. 5 is a longitudinal sectional view thereof, and FIG. A cross-sectional view taken along line VI-VI, FIG. 7 is a cross-sectional view taken along line ■1■ in FIG.
FIG. 8 is a cross-sectional view taken along the line ■1■ in FIG.
Figures 1 to 16 show a ship frictional resistance reducing device as an intermediate technology leading to the present invention. Figure 9 is a side view of a ship equipped with the device, and Figure 10 is a bottom view of the ship listed in C. above. , Figure 11 is a front view of the above ship, Figure 12 is the 10th
Fig. 13 is an enlarged sectional view taken along line xn-xn in the figure, Fig. 13 is a sectional view taken along line xm-xm in Fig. 12, and Fig. 14 is a sectional view taken along line XIV-X■ in Fig. L2. 15 is a sectional view taken along the line XV-XV in FIG. 14, and FIG. 16 is a sectional view taken along the line
FIG. 4 is a sectional view taken along the line XVI-XVI in FIG. 4; 1,1'...Hull frictional resistance reducing device, 2...
···ship. Body, 3...Side shell, 4...
・Bottom shell plate, 5...Pu-mouth propeller, 6...
・Rudder, 7... Thin plate, 8... Support, 11
, lla... Ventilation pipe, 12...
Inside the hull, 13...Compressor, 16...
...Connecting rod, 17... Lifting device, 19...
...Watertight tube, 20...Watertight packing, 23
...Rear edge of thin plate, 24...Rear edge of column, 25...Front edge of thin plate, 26...Front edge of column, 27... ...Slit, 28...
Porous member, 29...Convex portion, 30...
recess.

Claims

[Scope of utility model registration request]

Under the water, by separating the outer surface of the hull from a minute distance,
An elongated thin plate is provided, and the plate surface of the thin plate is arranged substantially parallel to the outer surface of the hull outer plate, and the longitudinal force direction of the thin plate is substantially perpendicular to the direction of water flow along the hull outer plate. The thin plate is arranged such that the rear edge of the thin plate has a plurality of convex portions and concave portions alternately formed along its longitudinal direction, and the front edge of the thin plate is provided with an air outlet consisting of a porous member or a slit. , a hull frictional resistance reducing device, characterized in that an air supply line connected to the air outlet is provided.