JPS5965985U - Erosion reduction device using cavitation - Google Patents

Erosion reduction device using cavitation

Info

Publication number
JPS5965985U
JPS5965985U JP1982161082U JP16108282U JPS5965985U JP S5965985 U JPS5965985 U JP S5965985U JP 1982161082 U JP1982161082 U JP 1982161082U JP 16108282 U JP16108282 U JP 16108282U JP S5965985 U JPS5965985 U JP S5965985U
Authority
JP
Japan
Prior art keywords
reduction device
cavitation
erosion reduction
air supply
supply holes
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
JP1982161082U
Other languages
Japanese (ja)
Inventor
敬 渡辺
Original Assignee
三菱重工業株式会社
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 三菱重工業株式会社 filed Critical 三菱重工業株式会社
Priority to JP1982161082U priority Critical patent/JPS5965985U/en
Publication of JPS5965985U publication Critical patent/JPS5965985U/en
Pending legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy

Landscapes

  • Hydraulic Turbines (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 the drawing]

第１図は本考案の一実施例を示す水車の縦断面図、第２
図はガイドベーンの斜視図、第３図はガイドベーンにお
けるキャビテーション低減状態を示す状態図である。 １・・・ケーシング、２・・・ステーベーン、３・・・
ガイドベーン、４・・・上カバー、５・・・下カバー、
６・・・ランナ、７・・・ドラフトチューブ、８・・・
給気孔、９・・・ガイドベーン軸。Fig. 1 is a vertical sectional view of a water turbine showing one embodiment of the present invention;
The figure is a perspective view of the guide vane, and FIG. 3 is a state diagram showing a state in which cavitation is reduced in the guide vane. 1...Casing, 2...Stay vane, 3...
Guide vane, 4...upper cover, 5...lower cover,
6...Runner, 7...Draft tube, 8...
Air supply hole, 9...Guide vane shaft.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ランナに発生するキャビテーションによりエロージョン
を受ける水力機械にお′いて、ガイドベーン後縁に複数
個の給気孔を設け、外部から前記給気孔に空気を導入す
るようにしたことを特徴とするキャビテーションエロー
ジョンの低減装置。In a hydraulic machine that undergoes erosion due to cavitation generated in the runner, a plurality of air supply holes are provided at the trailing edge of the guide vane, and air is introduced into the air supply holes from the outside. Reduction device.
JP1982161082U 1982-10-26 1982-10-26 Erosion reduction device using cavitation Pending JPS5965985U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1982161082U JPS5965985U (en) 1982-10-26 1982-10-26 Erosion reduction device using cavitation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1982161082U JPS5965985U (en) 1982-10-26 1982-10-26 Erosion reduction device using cavitation

Publications (1)

Publication Number Publication Date
JPS5965985U true JPS5965985U (en) 1984-05-02

Family

ID=30354116

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1982161082U Pending JPS5965985U (en) 1982-10-26 1982-10-26 Erosion reduction device using cavitation

Country Status (1)

Country Link
JP (1) JPS5965985U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6195983U (en) * 1984-11-29 1986-06-20
JPS6195981U (en) * 1984-11-29 1986-06-20
JP2007218099A (en) * 2006-02-14 2007-08-30 Tokyo Electric Power Co Inc:The Hydraulic turbine runner and hydraulic turbine runner system
WO2019179743A1 (en) * 2018-03-22 2019-09-26 Voith Patent Gmbh Wicket gate for a hydraulic turbine or pump

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6195983U (en) * 1984-11-29 1986-06-20
JPS6195981U (en) * 1984-11-29 1986-06-20
JP2007218099A (en) * 2006-02-14 2007-08-30 Tokyo Electric Power Co Inc:The Hydraulic turbine runner and hydraulic turbine runner system
WO2019179743A1 (en) * 2018-03-22 2019-09-26 Voith Patent Gmbh Wicket gate for a hydraulic turbine or pump
CN111886411A (en) * 2018-03-22 2020-11-03 福伊特专利有限公司 Guide vane of water turbine or water pump
CN111886411B (en) * 2018-03-22 2021-10-08 福伊特专利有限公司 Guide vane of water turbine or water pump
US11530678B2 (en) 2018-03-22 2022-12-20 Voith Patent Gmbh Wicket gate for a hydraulic turbine or pump

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