JPS58163396U - Cavitation prevention propeller - Google Patents

Cavitation prevention propeller

Info

Publication number
JPS58163396U
JPS58163396U JP6045482U JP6045482U JPS58163396U JP S58163396 U JPS58163396 U JP S58163396U JP 6045482 U JP6045482 U JP 6045482U JP 6045482 U JP6045482 U JP 6045482U JP S58163396 U JPS58163396 U JP S58163396U
Authority
JP
Japan
Prior art keywords
propeller
cavitation prevention
propeller blade
prevention propeller
perforation hole
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.)
Pending
Application number
JP6045482U
Other languages
Japanese (ja)
Inventor
小松　康夫
Original Assignee
日本鋼管株式会社
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 日本鋼管株式会社 filed Critical 日本鋼管株式会社
Priority to JP6045482U priority Critical patent/JPS58163396U/en
Publication of JPS58163396U publication Critical patent/JPS58163396U/en
Pending legal-status Critical Current

Links

Landscapes

  • Hydraulic Turbines (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

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図は従来のプロペラ−の翼の断面図、第２図１土本
考案に係るプロペラの概略を示す正面図、第３図は第２
図のＩ−Ｉ線における断面図である。 １・・・・・・プロペラの翼、１ａ・・・・・・プロペ
ラの翼の前面、１ｂ・・・・・・プロペラの翼お背面、
２・・・・・・穿設孔。Fig. 1 is a sectional view of a conventional propeller blade, Fig. 2 is a front view schematically showing the propeller proposed by Tsuchimoto, and Fig. 3 is a sectional view of a conventional propeller blade.
FIG. 2 is a cross-sectional view taken along line I-I in the figure. 1...Propeller blade, 1a...Front side of propeller blade, 1b...Back side of propeller blade,
2...Drilling hole.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] プロペラ翼の前面と背面との間を貫通させるために前記
翼先端部に少なくとも１個以上の穿設孔を設け、該穿設
孔に前記具の前面に沿って流れる海水の一部を通過させ
ることを特徴とするキャビテーション防止用プロペラ。At least one perforation hole is provided in the tip of the propeller blade to penetrate between the front and back surfaces of the propeller blade, and a portion of the seawater flowing along the front surface of the tool passes through the perforation hole. A cavitation prevention propeller characterized by:
JP6045482U 1982-04-27 1982-04-27 Cavitation prevention propeller Pending JPS58163396U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6045482U JPS58163396U (en) 1982-04-27 1982-04-27 Cavitation prevention propeller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6045482U JPS58163396U (en) 1982-04-27 1982-04-27 Cavitation prevention propeller

Publications (1)

Publication Number Publication Date
JPS58163396U true JPS58163396U (en) 1983-10-31

Family

ID=30070702

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6045482U Pending JPS58163396U (en) 1982-04-27 1982-04-27 Cavitation prevention propeller

Country Status (1)

Country Link
JP (1) JPS58163396U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050073437A (en) * 2005-06-22 2005-07-13 정찬희 The method and apparatus for lessoning a cavitiation effect on propeller
WO2018206978A1 (en) * 2017-05-11 2018-11-15 Oscar Propulsion Ltd Propeller cavitation and noise reduction

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050073437A (en) * 2005-06-22 2005-07-13 정찬희 The method and apparatus for lessoning a cavitiation effect on propeller
WO2018206978A1 (en) * 2017-05-11 2018-11-15 Oscar Propulsion Ltd Propeller cavitation and noise reduction
CN110869275A (en) * 2017-05-11 2020-03-06 奥斯卡推进有限责任公司 Propeller cavitation and noise reduction
US12017742B2 (en) * 2017-05-11 2024-06-25 Oscar Propulsion Ltd. Cavitation and noise reduction in axial flow rotors

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