A set of electric hydraulic controlled directional control valves is added in the device,and corresponding optimization is introduced to the electrical control system,which improves the reliability of the guide vane step-closure device.
但在机组实际运行过程中发现存在一些问题,通过对导叶分段关闭装置进行改造,增加一套电气液控换向阀,并对电气控制进行相应优化,提高了导叶分段关闭装置的动作可靠性。
Optimization of Structure Parameters and Experimental Validation of Hydraulic Control Directional Valve in Differential Type
差动式液控换向阀结构参数的优化匹配
hydraulically operated direction control valve
液压操纵的方向控制阀
Debug the reversing of the valve according to the control principle of electric and electric hydraulic draw stem.
根据电动、电液推杆控制原理调试盲板阀换向状态。
The Research of Pilot-operated Check Valve With Slow Impulse for Hydramatic Supports
液压支架用缓冲式液控单向阀的研究
The Performance Analysis and Research of a New Kind of Reversal Valve in Hydramatic Support;
新型液压支架换向阀性能分析与研究
Performance Analysis and Research of New Kind of Reversal Valve in Hydraulic Support
液压支架新型换向阀性能分析与研究
Study of Coupled Water Hammer Vibration Characteristics of Hydraulic Control Valve
液压换向阀的耦合水击振动特性研究
The Static Design of Closed-loop System for High-speed Switch Valve Controlled Hydraulic Valve
高速开关阀控换向阀闭环系统的静态设计
Fluid control valves also known as one-way pressure valve closed valves or insurance, with the same one-way valves to prevent reverse flow of oil.
液控单向阀也称闭锁阀或保压阀，它与单向阀相同，用以防止油液反向流动。
Fluid control one-way valve used cone disc, sealed a good performance.
液控单向阀采用锥形阀芯，因此密封性能好。
Discharging Mode Selection of Hydraulic One Way Valve Controlled Pressure-holding Circuit
液控单向阀保压回路的释压方式选择
Visual Analysis of Tri-dimensional Flow Characteristics of Hydraulic Controlled Check Valve
液控单向阀三维流动特性可视化分析
Influent flow is then reversed at determined time intervals and the separation process repeated for the opposite end of the module, allowing further uninterrupted filtration.
第二阶段，即通过阀门切换，原液和回流浓缩液的方向进行倒换。
Design of a Seawater Hydraulic Solenoid Cartridge Directional Valve
大流量插装式海水液压电磁换向阀的设计
The hoisting mechanisms can be controled independently through the controlvalve.
主、副卷扬通过换向阀的控制，可单独操纵。
Controlling and Testing System for Reliability Test-bed of Pneumatic Solenoid Directional Control Valve
气动电磁换向阀可靠性试验台自动测控系统
Improved Design of Reversing Valve Based on Hardware Redundancy Fault-tolerant Control
基于硬件冗余容错控制的换向阀改进设计
Dynamic Unloading Simulation and CFD Numerical Simulation of Hydraulic Operated Check Valve;
支架液控单向阀卸载动态仿真和CFD数值模拟