JPH0297189U

JPH0297189U -

Info

Publication number: JPH0297189U
Application number: JP466789U
Authority: JP
Priority date: 1989-01-19
Filing date: 1989-01-19
Publication date: 1990-08-02

Description

[Brief explanation of drawings]

第１図は本考案を高速交通艇に適用した一実施
例を示す斜視図、第２図は第１図の背面図、第３
図、第４図はそれぞれ第１図の変形例を示す斜視
図、背面図である。第５図、第６図はそれぞれ公
知の船舶のビルジキールを示す斜視図、背面図、
第７図、第８図はそれぞれ異なる公知の船舶のビ
ルジキールを示す斜視図、背面図である。１，２，３……ビルジキール板、４……ビルジ
キール、５……整流、６……渦、７，８，９……
ビルジキール板、１０……ビルジキール、０１３
……船体、０１７……潮流。 Fig. 1 is a perspective view showing an embodiment in which the present invention is applied to a high-speed transportation boat, Fig. 2 is a rear view of Fig. 1, and Fig. 3 is a rear view of Fig. 1.
4 are a perspective view and a rear view showing a modification of FIG. 1, respectively. FIG. 5 and FIG. 6 are a perspective view and a rear view showing a bilge keel of a known ship, respectively;
7 and 8 are a perspective view and a rear view, respectively, showing bilge keels of different known ships. 1, 2, 3... Bilge keel plate, 4... Bilge keel, 5... Rectifier, 6... Vortex, 7, 8, 9...
Bilge keel plate, 10...Bilge keel, 013
...hull, 017...tide.

Claims

[Scope of utility model registration request]

A pair of left and right bilge keel plates in the form of pectoral fins are provided on both curved portions of the central portion of the hull, respectively, protruding approximately in the normal direction, and extending vertically along the streamline direction when the hull receives a flow from the front. An elongated bilge keel for a ship, characterized in that the bilge keel plate is divided into a plurality of pieces in the longitudinal direction, and each of the divided bilge keel plates is arranged vertically offset from each other as appropriate, such as at a streamline level.