JPS52149536A - Hydraulic control circuit for guide vane of hydraulic machinery - Google Patents
Hydraulic control circuit for guide vane of hydraulic machineryInfo
- Publication number
- JPS52149536A JPS52149536A JP6557576A JP6557576A JPS52149536A JP S52149536 A JPS52149536 A JP S52149536A JP 6557576 A JP6557576 A JP 6557576A JP 6557576 A JP6557576 A JP 6557576A JP S52149536 A JPS52149536 A JP S52149536A
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- control circuit
- guide vane
- machinery
- hydraulic control
- 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
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 Water Turbines (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
PURPOSE: To maintain constantly proper pressure for a long period of operation by introducing oil pressure into the closed side cylinder through a pressure reducing valve when the guide vanes are almost totally closed.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6557576A JPS52149536A (en) | 1976-06-07 | 1976-06-07 | Hydraulic control circuit for guide vane of hydraulic machinery |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6557576A JPS52149536A (en) | 1976-06-07 | 1976-06-07 | Hydraulic control circuit for guide vane of hydraulic machinery |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52149536A true JPS52149536A (en) | 1977-12-12 |
Family
ID=13290932
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6557576A Pending JPS52149536A (en) | 1976-06-07 | 1976-06-07 | Hydraulic control circuit for guide vane of hydraulic machinery |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52149536A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111237271A (en) * | 2020-01-07 | 2020-06-05 | 华自科技股份有限公司 | High oil pressure cartridge formula air-vent valve hydraulic control system |
-
1976
- 1976-06-07 JP JP6557576A patent/JPS52149536A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111237271A (en) * | 2020-01-07 | 2020-06-05 | 华自科技股份有限公司 | High oil pressure cartridge formula air-vent valve hydraulic control system |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS52107470A (en) | Pressure controller of mission | |
JPS52149536A (en) | Hydraulic control circuit for guide vane of hydraulic machinery | |
ES459463A1 (en) | Casting mould advancing plant | |
JPS52151903A (en) | Hydraulic device | |
JPS53136235A (en) | Device for controlling steering of moving agricultural machine | |
JPS521502A (en) | Plunger pump | |
JPS52134949A (en) | Operation control for hydraulic machine | |
JPS5321319A (en) | Variable timing valve lifter | |
JPS53143841A (en) | Control of pump water wheel | |
JPS52103006A (en) | Hydraulic system of piston pump for pressure feeding of liquid | |
JPS5340172A (en) | Synchronizing circuit for hydraulic actuators | |
JPS5373758A (en) | Method of controlling oil temperature for hydraulic elevator | |
JPS5336861A (en) | Hydraulic elevator | |
JPS5297553A (en) | Simple positioning device | |
JPS5351346A (en) | Operational method for pressure controller and effluent valve of hydraulic power plant | |
JPS5276725A (en) | Seal mechanism for butterfly valve shaft bearing | |
JPS53103203A (en) | Oil pressure operating device for fluid pressure conveying piston pump | |
JPS52103005A (en) | Remote-controlled hydraulic system of piston pump for pressure feeding of fluid | |
JPS5378415A (en) | Rotary piston machine | |
JPS52148786A (en) | Multispeed control circuit | |
JPS52135976A (en) | Temperature compensating unit for hydraulic pressure control device | |
JPS53404A (en) | Hydraulic driving device for piston concrete pump | |
JPS5417429A (en) | Negative pressure control valve device | |
JPS5334111A (en) | Closed compressor | |
JPS5324963A (en) | Speed governer |