减小油泵柱塞直径对稳定性有好处；
Decreasing the piston diameter of the pump can improve the stability.
产品主要应用于中、高压齿轮油泵、柱塞泵、叶片泵等。
The product is applied to medium, high-pressure gear pump, ram pump, vane pumps, etc.
前言：本文探讨了油泵柱塞在冷加工中的磨削粘感和毛刺成因问题。
This paper has approached to the cause for grinding"sense of ad-hesion"and formation of burrs of ram mate part of oil pump in cold working.
这种抽油泵柱塞游动阀采用机械强制开启和关闭的结构，柱塞为等径光管、浮动结构，可防止发生气锁游动阀、阀球关闭滞后、砂卡柱塞现象。
The travelling valve of the pump is designed to be closed and opened forcibly, and the pump plunger adopts equal-diameter bare pipe with a floating structure to prevent gas lock and sand sticking.
针对我国在应用软密封柱塞抽油泵方面与国外的差距，在国内现有软密封柱塞抽油泵的基础上，研制并完善了软密封柱塞抽油泵系列，以满足现场生产的特殊需要。
On the basis of available oil well pumps with soft sealing plunger, a series of such pumps has been developed and completed to satisfy the needs of field production.
同时指出流量脉动系数最大的影响因素是油液的弹性模量和油泵的工作压力，其次是柱塞数。
Maximum influencing factors of flow fluctuation coefficient are the elastic modulus of the oil and the working pressure of the pumps, the piston number being a minor factor.
喷油泵总成，应该把位置，如身体，如柱塞定位螺钉密封滚针，是否有遗漏。
Fuel injection pump assembly, should view the plunger positioning screw gasket roller pin, such as body positioning, such as whether the omission.
本文主要对顶隙柱塞喷油泵进行了一系列的研究与开发工作。
Series of study and developing on Fuel Injection System with Top Clearance Plunger were presented in this paper.
通过实验得出了柱塞偶件磨损对喷油泵供油特性的影响规律。
The effects of the wear of plunger pair on delivery fuel characteristic of fuel injection pump is investigated.
针对辽河油田蒸汽吞吐油井存在气锁、出砂、后期油稠泵效降低的状况，研制了强启闭柱塞抽油泵。
A forced-closing-and-opening plunger pump is developed to solve the problems of gas lock and sand inflow and low pump efficiency in steam injection Wells.
还综述了柱塞冲程、速度和加速度的计算，为特种抽油泵结构和工作参数的正确选择提供了依据。
The calculations for the stroke, speed and acceleration of the plunger are summarized, providing a basis for selecting the structure and working parameters of the pump.
与某柴油机配试结果表明，带顶隙柱塞的P7100喷油泵能够满足其功率和排放要求。
The results of matching some diesel engines indicate that the pump P7100 with top clearance plunger could meet power and exhaust emission requirements of this engine.
应近似地按柱塞位于下止点时的环隙计算抽油泵的环隙静、动态漏失量。
And the static and dynamic leakage of the pump should be approximately calculated according to the annulus at the end of the plunger's downstroke.
标准型抽油泵柱塞上阀罩的工作缺陷是出油孔壁磨损断裂。
The shortcoming of top valve housing for standard type oil well pump plunger is wear and rupture of oil flow pore wall.
为了防止抽油泵柱塞上凡尔罩断脱，提高抽油泵泵效，对原抽油泵柱塞上凡尔罩结构及材质进行了分析。
In order to prevent the topside valve housing of the plunger from breaking and increase the pumping efficiency, we analysed the texture and material of the original and find its failure.
通过修改调速特性曲线、改进喷油泵柱塞的结构和调整怠速弹簧长度消除了故障。
By modifying governor characteristic curve and the edges of helix and vertical groove in plunger, as well as adjusting the length of idling spring, the fault is eliminated.
针对这种情况，设计研制了一种新型井下抽油泵——自补偿式软柱塞泵。
In accordance with this circumstance, a new type of oil well pump has been designed and developed - auto - compensation soft plunger pump.
本田TACT摩托车发动机柱塞式机油泵是国内唯一通过国家检测和日本本田公司认证的机油泵。
Honda TACT Columnar Engine Oil pump is the sole one which have passed the State Test of our country and the certification of Honda, Japan.
对断裂的油泵柱塞、轴承外套从成分、组织、工艺等方面进行了检验分析。
An analysis on chemical composition, microstructure and manufacturing processes of the fracture piston and bearing cover of oil pumps was carried out in this paper.
介绍镗削10CY 14 1b型高压油泵缸体七个柱塞孔车床夹具。
The lathe fixture used for boring 10cy14-1b type high pressure oil pump body parts with seven column holes is designed.
本实用新型可有效地防止“气锁”和柱塞偏磨，提高原油产量和抽油泵的使用寿命。
The utility model can efficiently prevent air locking phenomena and the eccentric wear of the plunger, increase the production quantity of raw oil and extend the service life of the oil well pump.
主要经营产品有：喷油器、喷油泵、共轨管、各种型号传感器、泄世阀、电磁阀、柱塞、油嘴、阀组件、修理包；
Our main products includes: Injector, Injector pump, common rail pipe, different types of sensors, Pressure valve, electric magnet valve, Piston pump, nozzle, valve combined parts and fixing kits-bag;
主要经营产品有：喷油器、喷油泵、共轨管、各种型号传感器、泄世阀、电磁阀、柱塞、油嘴、阀组件、修理包；
Our main products includes: Injector, Injector pump, common rail pipe, different types of sensors, Pressure valve, electric magnet valve, Piston pump, nozzle, valve combined parts and fixing kits-bag;
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