It sets up a mathematical models for the calculation of hydraulic transients on the basis of the boundary conditions of air valves,and carry out a numerical simulation for a water supply project,at last,this paper analysis the influences of different air valves flow features on the water hammer characteristics of pump systems.
针对空气阀结构特征,建立其进排气边界条件,结合工程实例,重点研究了空气阀流量系数对管道内压力波动的影响。
By comparing the three types of air valves,valve circuit downlink access law,summed up their respective connections,control theory and the advantages and disadvantages.
通过对比3种空气阀、下行阀油路接法,总结出各自连接方式、控制原理及优缺点,为造气油路改造提供了依据。
Study on air admission and exhaust characteristics of air valve in long water supply system;
长距离输水工程中空气阀的进排气特性研究
Research on characteristics of protection against water hammer of air valve in long water supply systems;
长管道泵系统中空气阀的水锤防护特性模拟
Analysis on performance and operation of air valve for large-scale water conveyance system of Mid-route of South-to-North Water Transfer Project
南水北调中线大型输水系统空气阀性能与运行分析
The butterfly valve closing procedure of water transfer work from Fengjiashan Reservoir to Baoji city is optimized for water hammer protection,and the concept of air valve set is proposed.
提出了空气阀组概念,水锤分析表明,采用空气阀组和两阶段关闭蝶阀联合作用可有效地防护长距离加压输水工程中水锤危害。
astern selecting pilot air valve
倒车选择控制空气阀
ahead selecting pilot air valve
正车选择用控制空气阀
change over bridgecontrol room pilot air valve
驾驶室-控制室转换用控制空气阀
Smooth operation of throttle linkage and throttle body air valve.
节流连杆和节流体空气阀的平稳操作。
air admission valve
进气阀,真空破坏阀
accumulator air-charging manifold
蓄压器充气阀箱压缩空气瓶充气阀箱
The vacuum valve opens to admit air.
真空阀开启以补充空气。
Air filtering pressure reducing valve, solenoid valve, valve location feedback device, valve gate locator, quick exhaust valce.
空气过滤器减压阀，电磁阀，阀位反馈装置，阀门定位器,快速排气阀。
secondary air injection relief valve
二次空气喷射减压阀
rotary starting air distributor
回转式起动空气分配阀
automatic starting air shut-off valve
起动空气自动断流阀
There can be no shutoff valves downstream of an AVB.
在大气真空断路阀的下游不能有关断阀。
Connect the air inlet hose to the throttle body and the air cleaner.
将空气入口软管接至节流阀体和空气滤清器。
Air tightness test and safety valve adjusting for main air receiver( control air receiver, air horn receiver) on board.
主空气瓶（制空气瓶、笛空气瓶）船后气密试验和安全阀的调整。
The pump sucks air out through this valve.
这台泵通过这个阀门把空气抽出.
Safety valves for marine air vessel
GB/T14087-1993船用空气瓶安全阀
no-load electro-magnetic valve of air compressor
空气压缩机无负荷电磁阀
a valve that controls the flow of air into the carburetor of a gasoline engine.
控制空气流入发动机的汽化器的阀。