JPS5994998U - Anti-noise marine propeller - Google Patents

Anti-noise marine propeller

Info

Publication number
JPS5994998U
JPS5994998U JP19183482U JP19183482U JPS5994998U JP S5994998 U JPS5994998 U JP S5994998U JP 19183482 U JP19183482 U JP 19183482U JP 19183482 U JP19183482 U JP 19183482U JP S5994998 U JPS5994998 U JP S5994998U
Authority
JP
Japan
Prior art keywords
marine propeller
blade
noise
propeller
noise marine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP19183482U
Other languages
Japanese (ja)
Other versions
JPS6226311Y2 (en
Inventor
俊夫 前田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP19183482U priority Critical patent/JPS5994998U/en
Publication of JPS5994998U publication Critical patent/JPS5994998U/en
Application granted granted Critical
Publication of JPS6226311Y2 publication Critical patent/JPS6226311Y2/ja
Granted legal-status Critical Current

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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１〜４図はいずれも従来の舶用プロペラの翼断面図で
あり、第５，６図は本考案の一実施例としての鳴音防止
型舶用プロペラを示すもので、第５図はその一部分を後
方からみた正面図、第６図はその翼断面図である。 １・・・プロペラ翼、１ａ・・・・・・正圧面、２・・
・・・・突起、Ａ・・・・・・プロペラ回転方向、ａ・
・・・・・翼前縁部、ｂ・・・・・・翼後縁部、Ｃ・・
・・・・正圧面、ｄ・・・・・・負圧面。Figures 1 to 4 are all cross-sectional views of conventional marine propeller blades, and Figures 5 and 6 show a noise-preventing marine propeller as an embodiment of the present invention, and Figure 5 is a partial view of the blade. FIG. 6 is a sectional view of the wing. 1...Propeller blade, 1a...Positive pressure surface, 2...
... Protrusion, A ... Propeller rotation direction, a.
...Wing leading edge, b...Wing trailing edge, C...
...Positive pressure side, d...Negative pressure side.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 船用プロペラにおいて、プロ埒う翼の正圧面側に、翼根
部から翼先端にわたって、翼面から隆起した突起が形成
されていることを特徴とする、鳴音防止型舶用プロペラ
。A noise-preventing marine propeller, characterized in that a protrusion protruding from the blade surface is formed on the pressure side of the propeller blade from the blade root to the blade tip.
JP19183482U 1982-12-17 1982-12-17 Anti-noise marine propeller Granted JPS5994998U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19183482U JPS5994998U (en) 1982-12-17 1982-12-17 Anti-noise marine propeller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19183482U JPS5994998U (en) 1982-12-17 1982-12-17 Anti-noise marine propeller

Publications (2)

Publication Number Publication Date
JPS5994998U true JPS5994998U (en) 1984-06-27
JPS6226311Y2 JPS6226311Y2 (en) 1987-07-06

Family

ID=30413002

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19183482U Granted JPS5994998U (en) 1982-12-17 1982-12-17 Anti-noise marine propeller

Country Status (1)

Country Link
JP (1) JPS5994998U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103362868A (en) * 2012-03-30 2013-10-23 山洋电气株式会社 Axial flow fan

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5361895A (en) * 1976-11-15 1978-06-02 Toshio Yagi Blade for under water propeller

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5361895A (en) * 1976-11-15 1978-06-02 Toshio Yagi Blade for under water propeller

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103362868A (en) * 2012-03-30 2013-10-23 山洋电气株式会社 Axial flow fan

Also Published As

Publication number Publication date
JPS6226311Y2 (en) 1987-07-06

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