JPS5652578A - Level sensor for hydraulic machine - Google Patents

Level sensor for hydraulic machine

Info

Publication number
JPS5652578A
JPS5652578A JP8555780A JP8555780A JPS5652578A JP S5652578 A JPS5652578 A JP S5652578A JP 8555780 A JP8555780 A JP 8555780A JP 8555780 A JP8555780 A JP 8555780A JP S5652578 A JPS5652578 A JP S5652578A
Authority
JP
Japan
Prior art keywords
projective
pipe
opening
level
water
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
JP8555780A
Other languages
Japanese (ja)
Other versions
JPS5647396B2 (en
Inventor
Nobusuke Takagi
Masashige Ogiwara
Seizo Ochiai
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP8555780A priority Critical patent/JPS5652578A/en
Publication of JPS5652578A publication Critical patent/JPS5652578A/en
Publication of JPS5647396B2 publication Critical patent/JPS5647396B2/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

  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Hydraulic Turbines (AREA)

Abstract

PURPOSE: To enhance reliability of level sensing by closing the tip of a projective pipe, providing an opening at the low part of this projective pipe and thereby preventing water from intruding into the coupling tube.
CONSTITUTION: An opening provided in a projective pipe 11 is covered by a plate 14, and another opening 16 is provided at the downstream side of this projective pipe 11. The area of this opening 16 shall be equal to or more than the inner area of the projective pipe 11. Accordingly, even if the projective pipe 11 is not so tall and the stream is raised at the wall, the water level goes up only at the projective pipe 11 and, further, the raised stream does not block the opening 16. Thus, reliability on sensing the level of water in a reversible pump-turbine, which has been provided with more and more high head and high speed, can be enhanced.
COPYRIGHT: (C)1981,JPO&Japio
JP8555780A 1980-06-23 1980-06-23 Level sensor for hydraulic machine Granted JPS5652578A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8555780A JPS5652578A (en) 1980-06-23 1980-06-23 Level sensor for hydraulic machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8555780A JPS5652578A (en) 1980-06-23 1980-06-23 Level sensor for hydraulic machine

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP10051976A Division JPS5327748A (en) 1976-08-25 1976-08-25 Head detector for hydraulic machine

Publications (2)

Publication Number Publication Date
JPS5652578A true JPS5652578A (en) 1981-05-11
JPS5647396B2 JPS5647396B2 (en) 1981-11-09

Family

ID=13862112

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8555780A Granted JPS5652578A (en) 1980-06-23 1980-06-23 Level sensor for hydraulic machine

Country Status (1)

Country Link
JP (1) JPS5652578A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60158858A (en) * 1983-12-28 1985-08-20 シレイ・インコーポレーテツド Stent for tissue valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60158858A (en) * 1983-12-28 1985-08-20 シレイ・インコーポレーテツド Stent for tissue valve

Also Published As

Publication number Publication date
JPS5647396B2 (en) 1981-11-09

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