容积泵

自动检测容积泵性能参数硬软件系统的研究

Hardware and Software Systems for Automatic Detecting of Properties of Positive Displacement Pumps

非圆齿轮驱动式叶片差速泵是一种新型的高性能转子式容积泵，依靠泵体内叶片均布的两个叶轮周期性转动，实现泵的吸液与排液。

Differential velocity vane pump driven by non-circular gears is a type of high performance rotor type positive displacement pumps , which pumps and discharges liquid relied on cyclical rotation of the equally distributed vanes on the two impellers .

螺杆泵是一种旋转容积泵。

The progressive cavity pump is a kind of rotary displacement pump .

回转式容积泵的泵内间隙与吸入条件

Inside Gaps and Suctorial Condition of Rotary Pumps

总的来说，容积泵的效率高于动力式泵。

In general , the volumetric efficiency of pump power higher than the pump .

对全自动液体包装机上使用的容积泵型计量调节机构提出了改进，在曲柄连杆调节的基础上加入了回流调节阀的调节。

A displacement pump style measuring adjusting device of the full automatic liquid packing machine is improved .

罗茨泵作为一种回转式容积泵应用领域十分广泛。

Application of Roots pump has a very wide range as a kind of rotary positive-displacement pump .

螺旋类容积泵的波动特性与动静态间隙

The wave characteristic and axial clearance between static state and dynamic state about the screw displacement pump

往复式容积泵，有比传统隔膜活塞泵长的多的无故障运行时间。

Oscillating displacement pump which may achieve a considerably longer trouble-free operation than a conventional diaphragm piston pump .

软管隔膜活塞泵是严密密封、无泄露往复式容积泵，具有独一无二的技术和经济价值。

The hose diaphragm piston pumps are hermetically sealed , leakproof , oscillating displacement pumps with a unique technical and economical value .

转子泵属于回转式容积泵，自吸能力强，输送介质粘度范围广。

Rotary pump is rotary positive displacement pump , it has a good self-priming capability and wide range of pumping medium viscosity .

该装置采用全数字交流伺服电机驱动转子式容积泵，提出了基于输入转矩控制的新的控制策略，实现了气体的等压或等质量流量控制，并具有运行参数的网络传输功能和远程监控功能。

This system indicates a creative tactics of torque control , and achieves the flow-rate control , at constant pressure or constant volume .

相比于一般的容积泵，叶片差速泵具有排量大、流量脉动低、叶轮径向载荷可平衡、加工制造方便等诸多特点。

Compared to the general displacement pump , differential velocity vane pump has a large displacement , low flow pulsation , balanced radial load on the impellers , manufactured easily and many other features .

该型叶轮的泵兼具有容积泵和离心泵的作用，悬浮性颗粒在叶片中流过时，不撞击泵内任何部位，故无损性好。

The type of the pump impeller and pump and centrifugal pump with a volume effect of particles suspended in mid-stream leaf out of date , do not hit any part of the pump , it is good non-destructive .

其中，以离心泵为代表的叶片泵的特点是流量大、扬程小，而以柱塞泵为代表的容积泵的特点是扬程大、流量小。

Thereinto , the centrifugal pump which belongs to the representative of vane pump has the characteristic of large flux and low lift . However , the plunger pump which is a kind of typical positive-displacement pump has the characteristic of high lift and small flux .

三种容积式泵机构的理论流量分析

Theoretical Displacement Analysis of Three Kinds of Volume Pump

转子泵是一种旋转的容积式泵，特别适用于输送粘性介质。

Rotary pump is one kind of volume pumps , which is rotary in operation .

135型三螺杆泵[1]是一种技术含量相当高的容积式泵。

The serials of 135 three screw pump is the positive displacement pump with high technica .

双螺杆泵作为一种容积式泵，泵内吸入室应与排出室严密地隔开。

Twin-screw pump as a positive displacement pump , pump room exhaust inhalation chamber should be strictly separated .

容积式泵在一定转速或往复次数下的流量是一定的，几乎不随压力而改变；

Volumetric pump at a certain speed or the number of under reciprocating flow is certain , hardly change with the stress ;

压电泵属于容积的泵，理论上可通过提高工作频率增加泵单位时间出流量；

Piezo-pump belongs to cubage pump . On theory , the higher the working frequency is , the bigger the flow rate is .

这种调速泵是一个容积式泵，用来确保产品以确定的可接受的速率流过整个设备。

The timing pump is a positive displacement pump set to ensure that product flows through the entire system at a predetermined and acceptable rate .

电磁隔膜计量泵是计量泵的一个种类，计量泵是一种可以计量被输送流体的特殊容积式泵。

Electromagnetic diaphragm metering pump is a type of metering pump , metering pump is a measurement by the special volume of fluid delivery pump .

试验表明，若采用低剪切的容积式泵（如单螺杆泵等），则将减小增压装置对来液的剪切破碎；

It shows that the low-cut cavity type pump , e.g. , single screw pump , can be used to reduce the effect of droplet break up ;

三螺杆泵是一种先进的容积式泵，因其结构紧凑、寿命长、工作平稳等优点，得到了广泛的应用。

A three-screw pump is one kind of advanced positive displacement pumps , and have been widely used for the compact form , long life-span and small in vibration .

试验表明，采用低剪切容积式泵（如，单螺杆泵等）和大排量、低转速离心泵将减小增压装置对来液的剪切破碎及乳化程度。

It was shown that the low-cut cavity type pump , e.g. , single screw pump , and the low rotate speed centrifugal pump could also diminish the emulsifying effect on droplets .

我国主要容积式真空泵质量状况浅析

Superficial analysis on quality of main positive displacement pumps in China

容积式真空泵真空度测试装置的技术探讨

Technical Discussions on Vacuum Testing Device of Volumetric Vacuum Pump

容积式真空泵结构型式的探讨

Discussions on structure types of positive displacement pump

转子是多种容积式真空泵尤其是干泵中最关键的核心部件。

Rotate is the most key part of many kinds of positive vacuum pump .