简单介绍了低流量脉动泵的结构特点。
采用新型软管壁外脉动泵进行井下工作面排水及水仓清理。
The new-type of hose pulsating pump is used for underground face draining and sump cleaning.
为了实现润滑脂在管路中输送的无流量脉动，研制了一种低流量脉动泵。
In order to realize the transportation of grease without flux pulse in the tube, a low-flux pulse pump was developed.
而柴油机是由喷油泵或脉动泵按照正确的点火顺序将燃油轮流地喷人各气缸的。
But in the case of the diesel engine the supply is effected by an injection or jerk pump which forces a shot of fuel into each cylinder in turn ac cording to the correct firing sequence.
提出了在纯水液压泵中气蚀初生伴随着低频压力脉动现象。
It is suggested that low frequency fluctuation occurs with cavitation inception in water hydraulic pump.
充气增压或不用充气增压的气力式压力脉动阻尼器。通常安装在泵的输出端。
Air chamber pneumatic pressure pulsation damper air vessel air bottle pressure chamber.
因此，和以往的泵相比，由流量脉动所引起的噪声将会大大的降低。
Therefore , Comparing with traditional pump, the noises caused by the flow fluctuation will reduce greatly.
讨论了峰值分散技术对多联隔膜泵流体脉动的消减作用；
Discuss peak value dispersion technique to decreases flux pulsation of many sets diaphragm pumps.
泵的脉动运动与不平衡振动产生了结构噪声，结构噪声在频谱中清晰显示出来。
The impulse motion and the unbalanced vibration of the pump generate certain structural noise which could be significantly expressed in frequency spectrum.
氮气首先给气囊充气，以消除脉冲停止时的由往复式活塞泵产生的压力脉动。
The nitrogen gas precharged bladder inside the Pulse-Stop dampens the pressure pulsations created by the reciprocating action of the pumps.
步进电机与输液泵之间通过橡胶连接头实现连接，可缓解输液时由步进电机震动引起的脉动。
The rubber joint between stepper motor and transfer pump can minish pulsation caused by the shake of the motor when transfusing.
结果表明，随着油液体积弹性模量的下降，泵的流量脉动及流体噪声均增大。
It was shown by calculation results that the flow ripple and fluid noise of hydraulic pump increased seriously when the bulk modulus descended.
螺旋式罗茨泵在稳定过流剪切敏感介质压力脉动质量，减少噪音、振动，避免气蚀等方面有较大改善。
Helical Roots pump has great improvements on the face of stabilizing pressure pulse quality of passing cut sensitivity medium, reducing noises and vibration, avoiding vapor fret etc.
结果表明，该泵具有排量大、脉动小等优点。
The result showed that the pump has the advantages of larger discharge and smaller pulsation.
因为磁性生物体有自己的脉动频率，会让心脏将血液泵送到整个身体。
Magnetic biology has its own pulsation that causes the heart to pump blood through the body.
试验表明，该泵能有效地减少压力脉动，可近似达到无管路压力脉动的目的。
The experiments show that the pump can lower the flux pulse effectively.
随著齿轮啮合重合系数的减小，齿轮泵的流量增大，困油容积和流量脉动率减小。
If the coefficient of engagement overlap decreases, the flow aggrandize, trapping volume and the flow pulsating ratio decreases.
通过减小腔内回流比例、增大正反方向流阻差，提高泵液效率与输出泵压、减小输出脉动。
By reducing the reverse flow in chamber and by increasing resistance difference of back-and-forth flow, higher efficiency, higher pressure and less output fluctuation could be expected.
液压系统中阀门(换向阀等)突然关闭时，液压泵的流量脉动频率和管道的基本频率相互作用，可能发生谐振。
In hydraulic transmission system, the pump's flow pulse frequency and the pipes base frequency affects each other, if the valves shut suddenly, resonance oscillation may take place.
电渗泵是一种液流驱动泵，具有装置简单、载流无脉动、流量范围大和驱动电压适中等优点。
Electroosmotic pump is a liquid driving apparatus, which has its advantages of simplified equipment, non pulsing flow rate, large flow range and moderate working voltage etc.
介绍了人工心脏轴流式血泵永磁无刷直流电机换相转矩脉动变化过程。
This paper introduces Commutation torque ripple process of the axial blood pump of an artificial heart brushless DC motor.
研究结果表明，平衡式复合齿轮泵的流量脉动较普通齿轮泵要小得多。
The result is that the flow pulsation of the pump is far smaller than that of the same type.
该泵使用一个共同的驱动机构以使活塞轴向旋转且沿侧向往复运动以连续地泵送流体，同时减少脉动。
The pump utilizes one common driving mechanism to axially rotate and laterally reciprocate the piston to provide continuous pumping of fluids with reduced pulsations.
泵输出的周期性脉动流体的压力脉动，是引起流体谐振、激励管路振动和噪声的主要原因。
The pressure pulsation induced by the pumped periodic pulsation fluid is the main factor of causing fluid resonance and stimulating pipelines vibrations and noise.
本文报道了对CO_2激光泵浦hcooh分子亚毫米波激光器自脉动与混沌实验的新观察研究结果。
Some new experimental observations on pulsation and chaos of CO_2 laser pumped HCOOH molecule laser are reported in detail.
对比渐开线齿轮泵，单圆弧齿轮泵的瞬时排量与齿轮角速度成正比，且稳定，无脉动。
Comparing with involute gear pump, the instant displacement is in direct proportion to the angular velocity of the gear and stable without pulsation.
普通齿轮泵具有结构简单、成本低、对油液污染不敏感等特点，但具有流量脉动大、径向力不平衡、噪声高等缺点。
The common gear pump has such merits as simple structure, low cost, insensitive oil pollution, etc. but it has such demerits as high flow pulsation, unbalanced radial force, strong noise, etc.
并以一台较大排量的轴向柱塞泵为被试泵，建立了流量脉动测试系统，实现了多种压力下被试泵流量脉动的测试。
An axial piston pump with large displacement has been used as the pump under test, a measurement system has been put forward and flow ripples at different pressures have been determined.
当压力脉动发生在液压泵的吸油管路或液压系统的回油管路等低压管路中时，会引起气泡和气穴的产生及破灭。
When the pressure transients occur in low pressure pipelines such as the suction lines of pumps or the return lines of a hydraulic system, gas bubbles and cavitation will occur inside the fluid.
当压力脉动发生在液压泵的吸油管路或液压系统的回油管路等低压管路中时，会引起气泡和气穴的产生及破灭。
When the pressure transients occur in low pressure pipelines such as the suction lines of pumps or the return lines of a hydraulic system, gas bubbles and cavitation will occur inside the fluid.
应用推荐