JPS5837969U - Hydraulic thrust reduction device for hydraulic machinery - Google Patents

Hydraulic thrust reduction device for hydraulic machinery

Info

Publication number
JPS5837969U
JPS5837969U JP1981130922U JP13092281U JPS5837969U JP S5837969 U JPS5837969 U JP S5837969U JP 1981130922 U JP1981130922 U JP 1981130922U JP 13092281 U JP13092281 U JP 13092281U JP S5837969 U JPS5837969 U JP S5837969U
Authority
JP
Japan
Prior art keywords
hydraulic
reduction device
thrust reduction
balance hole
machinery
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
JP1981130922U
Other languages
Japanese (ja)
Other versions
JPS6229664Y2 (en
Inventor
清 吉井
Original Assignee
富士電機株式会社
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 富士電機株式会社 filed Critical 富士電機株式会社
Priority to JP1981130922U priority Critical patent/JPS5837969U/en
Publication of JPS5837969U publication Critical patent/JPS5837969U/en
Application granted granted Critical
Publication of JPS6229664Y2 publication Critical patent/JPS6229664Y2/ja
Granted 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

  • Control Of Non-Positive-Displacement Pumps (AREA)
  • 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) [Abstract] 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図は従来における水力機械のバランスホールを示す
断面図、第２図は第１図における■−■断面図、第３図
はこの考案に基づく水力機械の水、カスラスト低減装置
の一実施例の断面図、第４図は第３図におけるＩＶ−Ｉ
Ｖ断面図である。 １・・・ランナ、３・・・クラウン、４・・・ランナコ
ーン、６・・・バランスホール、７．８・・・面取り部
。Figure 1 is a cross-sectional view showing a balance hole in a conventional hydraulic machine, Figure 2 is a cross-sectional view taken along the line ■-■ in Figure 1, and Figure 3 is an example of a water and waste reduction device for a hydraulic machine based on this invention. FIG. 4 is a cross-sectional view of IV-I in FIG.
It is a V sectional view. 1... Runner, 3... Crown, 4... Runner cone, 6... Balance hole, 7.8... Chamfered portion.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）ランチのクラウンの上面からランナコーンに向け
てバランスホールを設けた水力機械において、前記バラ
ンスホールの少なくとも一端に、該バランスホールの端
部を切欠く面取り部を形成したことを特徴とする水力機
械の水力スラスト低減装置。(1) A hydraulic machine in which a balance hole is provided from the upper surface of the crown of the launch toward the runner cone, characterized in that a chamfered portion is formed at least one end of the balance hole to cut out the end of the balance hole. Machine hydraulic thrust reduction device. （２）実用新案登録請求の範囲第１項記載の水力機械の
水力スラスト低減装置において、バランスホールの端部
を切欠く面取り部の方向を、ランナの周方向にしたこと
を特徴とする水力機械の水力スラスト低減装置。(2) Utility model registration The hydraulic thrust reduction device for a hydraulic machine according to claim 1, characterized in that the chamfered portion cutting out the end of the balance hole is oriented in the circumferential direction of the runner. hydraulic thrust reduction device.
JP1981130922U 1981-09-04 1981-09-04 Hydraulic thrust reduction device for hydraulic machinery Granted JPS5837969U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1981130922U JPS5837969U (en) 1981-09-04 1981-09-04 Hydraulic thrust reduction device for hydraulic machinery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981130922U JPS5837969U (en) 1981-09-04 1981-09-04 Hydraulic thrust reduction device for hydraulic machinery

Publications (2)

Publication Number Publication Date
JPS5837969U true JPS5837969U (en) 1983-03-11
JPS6229664Y2 JPS6229664Y2 (en) 1987-07-30

Family

ID=29924525

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981130922U Granted JPS5837969U (en) 1981-09-04 1981-09-04 Hydraulic thrust reduction device for hydraulic machinery

Country Status (1)

Country Link
JP (1) JPS5837969U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017075572A (en) * 2015-10-15 2017-04-20 株式会社東芝 Francis runner and water power machine including the same

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4420730Y1 (en) * 1966-02-28 1969-09-04
JPS4724198U (en) * 1971-04-08 1972-11-17
JPS51110141U (en) * 1975-03-05 1976-09-06

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4420730Y1 (en) * 1966-02-28 1969-09-04
JPS4724198U (en) * 1971-04-08 1972-11-17
JPS51110141U (en) * 1975-03-05 1976-09-06

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017075572A (en) * 2015-10-15 2017-04-20 株式会社東芝 Francis runner and water power machine including the same

Also Published As

Publication number Publication date
JPS6229664Y2 (en) 1987-07-30

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