JPS5872468U - Water turbine or pump water turbine protection device - Google Patents

Water turbine or pump water turbine protection device

Info

Publication number
JPS5872468U
JPS5872468U JP1981167089U JP16708981U JPS5872468U JP S5872468 U JPS5872468 U JP S5872468U JP 1981167089 U JP1981167089 U JP 1981167089U JP 16708981 U JP16708981 U JP 16708981U JP S5872468 U JPS5872468 U JP S5872468U
Authority
JP
Japan
Prior art keywords
water turbine
water
protection device
pressure
water pressure
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
JP1981167089U
Other languages
Japanese (ja)
Inventor
和夫 高橋
坂口 克美
Original Assignee
株式会社日立製作所
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 株式会社日立製作所 filed Critical 株式会社日立製作所
Priority to JP1981167089U priority Critical patent/JPS5872468U/en
Publication of JPS5872468U publication Critical patent/JPS5872468U/en
Pending legal-status Critical Current

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy

Landscapes

  • Control Of Water 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 drawings]

第1図は従来の保護装置の系統図、第2図は本考案の特
殊切換弁の概要図、第3図は本考案の保護装置の系統図
である。 1・・・入口弁用電磁弁、2・・・側弁用電磁弁、3・
・・主弁配圧弁、4・・・側弁配圧弁、5・・・主弁、
6・・・入口弁用サーボモータ、7・・・側弁。
FIG. 1 is a system diagram of a conventional protection device, FIG. 2 is a schematic diagram of the special switching valve of the present invention, and FIG. 3 is a system diagram of the protection device of the present invention. 1... Solenoid valve for inlet valve, 2... Solenoid valve for side valve, 3.
...Main valve pressure distribution valve, 4...Side valve pressure distribution valve, 5...Main valve,
6... Servo motor for inlet valve, 7... Side valve.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 水圧サーボモータにより駆動される大口弁を備えた水車
またはポンプ水車において、前記入口弁の制御油圧が一
定油圧以下に達したら、バネの力によって動作する油圧
−バネ駆動の水圧切換弁を設け、この水圧切換弁を通し
て、鉄管水圧を前記水圧サーボモータの閉側に送り込む
ことにより、自動的に前記入口弁を閉鎖し主機を停止さ
せることを特徴とする水車またはポンプ水車の保護装置
In a water turbine or a pump water turbine equipped with a large mouth valve driven by a water pressure servo motor, when the control oil pressure of the inlet valve reaches a certain oil pressure or less, a hydraulic pressure-spring driven water pressure switching valve that operates by the force of a spring is provided. A protection device for a water turbine or a pump water turbine, characterized in that the inlet valve is automatically closed and the main engine is stopped by sending iron pipe water pressure to the closing side of the water pressure servo motor through a water pressure switching valve.
JP1981167089U 1981-11-11 1981-11-11 Water turbine or pump water turbine protection device Pending JPS5872468U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1981167089U JPS5872468U (en) 1981-11-11 1981-11-11 Water turbine or pump water turbine protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981167089U JPS5872468U (en) 1981-11-11 1981-11-11 Water turbine or pump water turbine protection device

Publications (1)

Publication Number Publication Date
JPS5872468U true JPS5872468U (en) 1983-05-17

Family

ID=29959204

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981167089U Pending JPS5872468U (en) 1981-11-11 1981-11-11 Water turbine or pump water turbine protection device

Country Status (1)

Country Link
JP (1) JPS5872468U (en)

Similar Documents

Publication Publication Date Title
JPS5872468U (en) Water turbine or pump water turbine protection device
JPS5842304U (en) Turbine shaft seal system
JPS5826138U (en) Pumping prevention valve for hydraulic operating device for circuit breaker
JPS5853947U (en) Hydraulic clutch valve system
JPS5899350U (en) Control mechanism of swing motor
JPS58119817U (en) oil filter
JPS5875968U (en) Control device for water turbines with self-closing guide vanes
JPS5879137U (en) Hydraulic clutch pressure regulator
JPS6134053U (en) Antifreeze water faucet
JPS6027242U (en) Safety devices for proportional gas water heaters
JPS5814636U (en) hydraulic operating device
JPS61138808U (en)
JPS60105271U (en) power steering device
JPS59116582U (en) water wheel or pump water wheel
JPS59100154U (en) Water heater water flow control device
JPS58165232U (en) Safety device for turbocharger
JPS608020U (en) Injection molding equipment with injection speed control function
JPS5973504U (en) steam boiler equipment
JPS5951825U (en) Overturning weir circuit
JPS5824456U (en) Engine intake device for construction machinery
JPS5890392U (en) Relief piping device
JPS6014207U (en) Idling prevention device for steam turbines
JPS59178471U (en) Hydraulic excavator hydraulic circuit
JPS5869064U (en) indoor water stop valve
JPS58191402U (en) Hydraulic motor cavitation prevention circuit