JPS5987399U

JPS5987399U - high speed boat propeller

Info

Publication number: JPS5987399U
Application number: JP18325882U
Authority: JP
Inventors: 直人中村
Original assignee: 三菱重工業株式会社
Priority date: 1982-12-03
Filing date: 1982-12-03
Publication date: 1984-06-13

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

【図面の簡単な説明】[Brief explanation of drawings]

第１図は従来の高速艇の船尾部を示す側面図、第２図は
第１図のプロペラ翼の拡大図、第３〜５゛図は本考案の
一実施例としてのプロペラを示すもので、第３図はプロ
ペラ翼根部の翼断面図、第４図は翼面上の圧力分布を示
す翼断面図、第５図は翼まわりの流れの方向を示す翼断
面図である。１０・・・・・・真正面、１１・・・・・・翼背面、１
２・・・・・・翼前縁、１８・・・・・・翼後縁、１４
・・・・・・孔。Fig. 1 is a side view showing the stern of a conventional high-speed boat, Fig. 2 is an enlarged view of the propeller blade in Fig. 1, and Figs. 3 to 5 show a propeller as an embodiment of the present invention. FIG. 3 is a sectional view of the propeller blade root, FIG. 4 is a sectional view of the blade showing the pressure distribution on the blade surface, and FIG. 5 is a sectional view of the blade showing the direction of flow around the blade. 10... directly in front, 11... back of wing, 1
2... Wing leading edge, 18... Wing trailing edge, 14
...hole.

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

斜流状態で作動する高速艇用プロペラにおいて、プロペ
ラ翼の翼根部に翼圧面側から翼背面側へ貫通する孔をあ
けてなり、回礼は前記正面側開口部が前記背面側開口部
に比べて翼の前縁に近くなるように斜めにあけられたこ
とを特徴とする高速艇用プロペラ。In a propeller for a high-speed boat that operates in a diagonal flow state, a hole is formed in the blade root of the propeller blade, passing through from the blade pressure side to the blade back side, and the circular passage is such that the front side opening is smaller than the rear side opening. A high-speed boat propeller characterized by a diagonal opening near the leading edge of the propeller.