JPS59154500U

JPS59154500U - Skewed propeller

Info

Publication number: JPS59154500U
Application number: JP4839183U
Authority: JP
Inventors: 松尾　嘉國
Original assignee: 三菱重工業株式会社
Priority date: 1983-04-01
Filing date: 1983-04-01
Publication date: 1984-10-17

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 drawings]

第１〜３図は従来のスキュードプロペラを示すもので、
第１図はその１枚のプロペラ翼を船体後方から見た正面
図、第２図はそのスキューによるプロペラ起振力の軽減
効果を示すグラフ、；第３図はそのプロペラ翼の応力分
布図であり、第４，５図は本考案の一実施例としてのス
キュードプロペラを示すもので、第４図はその１枚のプ
ロペラ翼を船体後方から見た正面図、第５図はそのプロ
ペラ翼の半径方向の推力密度を示すグラフである。１１・・・・・・プロペラ翼、１２・・・・・・スキュ
ーライン、１３・・・・・・プロペラボス、Ａ・・・・
・・翼先端、Ｂ・・・・・・プロペラボス円周上におけ
るプロペラ翼の断面中点、Ｃ・・・・・・プロペラ軸中
心、Ｒ・・・・・・プロペラ回転方向、口・・・・・・
翼先端部、ハ・・・・・・翼根部。Figures 1 to 3 show conventional skewed propellers.
Figure 1 is a front view of one propeller blade seen from the rear of the ship, Figure 2 is a graph showing the effect of reducing the propeller excitation force due to the skew; Figure 3 is a stress distribution diagram of the propeller blade. Figures 4 and 5 show a skewed propeller as an embodiment of the present invention. Figure 4 is a front view of one propeller blade seen from the rear of the ship, and Figure 5 is a view of the propeller blade. 2 is a graph showing the thrust density in the radial direction. 11... Propeller blade, 12... Skew line, 13... Propeller boss, A...
...Blade tip, B...Midpoint of propeller blade cross section on propeller boss circumference, C...Propeller axis center, R...Propeller rotation direction, mouth...・・・・・・
Wing tip, c... wing root.

Claims

[Scope of utility model registration request]

The skew line of the propeller blade is oriented in a straight line in the radial direction of the propeller from the blade root to the outside from the middle of the blade, and curved at the blade tip to point in the opposite direction to the propeller rotation direction when the ship moves forward. A skewed prover characterized in that a trailing edge of the blade is also curved in the same direction as the skew line.