The actual flow reciprocating pump flow rate than theory, and with the increased pressure head decreases, which is due to leakage caused.
往复泵的实际流量比理论流量小，且随着压头的增高而减小，这是因为漏失所致。
The accuracy of traditional spectrum analysis for the diagnosis of reciprocating pump valve is not satisfied for the interference of the noise and the vibration of the adjacent parts.
往复泵泵阀振动信号的常规频谱分析，由于故障特征信息往往被淹没于强大的噪声以及相邻部件的干扰而使诊断精度大打折扣。
Reciprocating piston pump crankshaft by connecting rods connected with the original motivation. Prime mover can be motor, steam engine can also be used.
往复泵的活塞由连杆曲轴与原动机相连。原动机可用电机，亦可用蒸汽机。
A reciprocating piston, the inhalation and from a liquid, known as a working cycle; this pump known as the single-action pump.
活塞往复一次，各吸入和排出一次液体，称为一个工作循环；这种泵称为单动泵。
Reciprocating pump flow and pressure head has nothing to do with the pump cylinder size, and the reciprocating frequency of the piston stroke.
往复泵的流量与压头无关，与泵缸尺寸、活塞冲程及往复次数有关。
A type of fluid pump in which reciprocating pistons or plungers displace the fluid.
流体泵的一种类型。它的往复运动的活塞或柱塞驱替流体。
Continuously reciprocating piston movement, the pump suction and the pressurized water process is continuous alternately.
活塞不断往复运动，泵的吸水与压水过程就连续不断地交替进行。
The experimental results have proved that BP network can efficiently diagnose and distinguish the multi-faults of bearing in reciprocating pump, and the successful rate is high.
试验结果表明，利用BP网络可以有效地诊断与识别往复泵轴承多故障模式，并且具有很高的成功率。
Now to an example to illustrate the reciprocating piston pump works.
现以活塞式为例来说明往复泵工作原理。
The paper deals with the theoretical calculation of reciprocating seal for three-plunger pump.
本文叙述了对三柱塞泵往复密封的理论计算。
Reciprocating pumps convert rotary motion to linear motion. Pump speed in RPM determines the pumps output volume for any given combination of cylinder bore and piston stroke.
循环泵将曲轴旋转运动转化为柱塞的直线运动。泵速转每分钟决定了任何气缸和活塞组合的排泵量。
The application of bi - screw pump (instead of former steam reciprocating pump) in the spray wax deoiling unit shows that such pump runs reliably and good economic benefit is also gained.
喷雾蜡脱油装置采用双螺杆泵(代替原来蒸汽往复泵)输送喷雾蜡膏油的情况表明，双螺杆泵运行可靠，不易抽空，经济效益良好。
The performance curves directly reflect the running status of reciprocating pump and its features; the traditional drawing method has the characteristics, a great deal of work and low efficiency.
性能曲线可直观地反映往复泵运行工况及其特性，传统的绘制方法工作量大，且效率低。
A reciprocating pump (10) for pumping seawater or other fluid under high-pressure.
一种用于在高压下抽吸海水或其他流体的往复泵(10)。
The hydraulic profile control and water shutoff pump is a hydraulic driven reciprocating pump with double cylinders and single action.
液压调剖堵水泵是一种液压驱动的双缸单作用往复泵。
According to the requirement of the technology, a new type of reciprocating pump with cam-drive mechanism resulting in the constant flow was designed.
针对注聚合物驱油的工艺要求，研制了新型凸轮机构恒流量往复泵。
This article studies the method of bearing trouble-shooting of reciprocating pump based on BP net work.
研究了基于BP网络的往复泵轴承故障诊断方法。
Particularly the gap between the hydraulic pump, hydraulic motor and gearbox oil seals and hydraulic rotary cylinder reciprocating dynamic seal product quality most.
差距尤以液压泵、液压马达和变速箱用旋转油封及液压缸往复动密封的产品质量最甚。
Study Mechanism research of the phenomenon, of hydraulic shock in hydraulic driving reciprocating pump.
对液压驱动往复泵冲击现象进行了机理研究。
Can be used in ship industry, cold water treatment, sea water and cold oil, Low pressure valves, rotating equipment, and reciprocating pump hydraulic squeeze machine, the ship propeller equipments.
可应用于船舶行业、冷水处理、海水及冷油上；低压阀门，旋转设备，及往复泵液压榨机，轮船螺旋桨等设备。
A new calculating formula of the effective power of the reciprocating pump of multiphase flow is set up by the cyclic indicating figure of the pump.
根据往复泵的循环指示图建立了计算多相流往复泵有效功率的新方法。
From the viewpoint of the systems, we establish dynamics model based on the hydraulic reciprocating pump based on control of rotary valve to drive triplex reciprocating pump end.
从系统的观点出发，建立了基于转阀控制的液压三缸往复泵的系统动力学模型。
In this paper the dynamic optimum design was carried out for the crankshaft of a horizontal reciprocating emulsion pump with three pistons.
本文对矿用卧式三柱塞往复乳化液泵曲轴进行了动态优化设计研究。
Reciprocating plunger pump is a kind of major equipment for oil production in oilfield, and its technique function directly influences the normal safe operating of oil unit.
往复式柱塞泵设备是油田采油单位的主要生产设备，其技术性能的好坏直接影响到采油单位安全生 产的正常运行。
The calculating formulas for the power of single stroke, utilization efficiency of energy and frequency of strokes are derived from the energy equation of the reciprocating pump.
并根据往复泵的能量方程推导了液动冲击器的单次冲击功、能量利用率和冲击频率的计算公式，并利用实测数据进行了验证。
Rotating-sleeve distributing-flow system for reciprocating plunger pump is a compact, reliable sealing of the new distribution system.
往复柱塞泵转套式配流系统是一种结构紧凑、密封可靠的新型配流系统。
On this background, an optimization method for stroke frequency of submersible reciprocating pump based on submergence depth forecasting was presented.
在这一背景下，提出一种基于沉没度预测的潜油往复泵冲次优化方法。
On this background, an optimization method for stroke frequency of submersible reciprocating pump based on submergence depth forecasting was presented.
在这一背景下，提出一种基于沉没度预测的潜油往复泵冲次优化方法。
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