悬臂泵叶轮有闭式、开式、旋流式三种型式，以满足不同的应用需要。
Cantilever pumps are available with closed, open or vortex impellers to meet the requirements of different applications.
设计了一个盾构掘进机的刀盘驱动液压系统，该系统是开式液压系统，应用电液比例控制技术实现了泵排量实时调节。
A hydraulic drive system of cutter head in shield tunneling machine was designed, which is open type hydraulic system and controlled in open-ring.
该计算结果为建立少叶片半开式叶轮纸浆泵的设计方法提供了理论依据。
This calculation result provides design basis for the establishment of stock pump with semi-open and fewer blades impeller.
建立了下开式水锤消除器在泵系统水力过渡过程计算中的数学模型。
A mathematical model of water hammer arrester with the lower open type in calculating the hydraulic transient in the pump systems is established.
介绍了国内输油管线泵的概况，并提供了多级中开式输油泵的水力设计公式和性能曲线。
The general situation of domestic oil line pumps is presented, the hydraulic design formulas and performance curves of the multistage impeller pumps are given.
本文对液压锤使用的闭式液压系统性能进行了分析，在此基础上提出了泵直接传动的开式液压系统。
Based on the analysis to close loop hydraulic system of hydraulic hammer, this paper provides on open loop hydraulic system.
本文中设计了半开式离心泵叶轮，安装在清水透明离心泵实验装置中。
The author designed an unshrouded centrifugal impeller, set in the transparent centrifugal pump.
工作机构的变速和换向靠调节泵或马达的变量机构实现，避免了开式系统换向过程中所出现的液压冲击和能量损失。
The work of agencies to rely on speed and for adjusting the pump or motor variables agencies to achieve, to avoid the open loop system for the process are the hydraulic impact and energy loss.
SPV系列泵是单级混流泵，采用开式叶轮，后拉出式设计，可以提供卧式（SPP）和立式（SPV）两种型式。
Pumps of the series SPP/SPV are single-stage mixedflow pumps, adopted open impeller and back pull-out design. They are available in both horizontal and vertical design.
开式系统是指液压泵从油箱吸油，油经各种控制阀后，驱动液压执行元件，回油再经过换向阀回油箱。
Open system is the pump suction from the tank, the oil through a variety of control valves, the drive hydraulic actuators, valve oil return back for another fuel tank.
设计了一个盾构掘进机的刀盘驱动液压系统，该系统是开式液压系统，应用电液比例控制技术实现了泵排量实时调节。
An improved cutter head drive hydraulic system of the shield tunneling machine was proposed, which achieved energy saving by optimizing the drive power.
配套产品有KQL快开式气动隔膜泵过滤机及具有国际先进水平的GQL刮除清理式过滤机。
We also manufacture KQL quick type pneumatic pump filters, especially GQL self-scrape-clean filters which have reached advanced international level.
我们汇聚世界一流的配件，如德国原产博世力士公司AIVLO系列双泵双回路开式三联泵；
We adopt the first-class parts in the world, such as the AIVLO series dual pump and dual circuit open three-pump which is the original products of German Rexroth Bosch Group;
我们汇聚世界一流的配件，如德国原产博世力士公司AIVLO系列双泵双回路开式三联泵；
We adopt the first-class parts in the world, such as the AIVLO series dual pump and dual circuit open three-pump which is the original products of German Rexroth Bosch Group;
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