slippage past the plunger

The movement of plunger piston,the compressibility of the liquid and the leakage in the clearance between the plunger piston and pump barrel were comprehensively considered,and a new continuous flow equation of the fluid in the pump cylinder was setup.

综合考虑柱塞的运动规律、泵筒内流体的可压缩性、柱塞与泵筒之间的间隙漏失量,建立了泵筒内流体流动的连续流方程。

By the analysis of the situation of sealant rubber ring application to the worksites of Xiaowa Oilfield, the main reasons re- sulting in the frequent leakage of sealant rubber rings are found out, thus providing the reference for the spot management of the same oilfields with viscous crude.

针对小洼油田生产现场的密封胶圈使用情况进行分析,找出了造成密封胶圈频繁漏失的主要原因,为同类稠油油田现场管理提供参考。

Analysis on sealing failure of myriameter drilling mud pump plunger and improvement measures

万米钻井泥浆泵柱塞密封失效分析及改进

The Analysis of Brake Piston Seal Failure of B757-200 Aircraft

B757-200飞机刹车活塞密封失效分析

The Solution to the Sealing of Hydrocylinder to Individual Hydraulic Prop Overhauling Process;

单体液压支柱大修中油缸密封失效的解决方案

Measures taken to prevent abrasion of the plunger in cylinder sleeve of a cryopump and to improve sealing performance

低温泵缸套柱塞防磨损和提高密封性的措施

Research on improvement of reciprocating seal life of special piston pump

提高特殊柱塞泵往复密封寿命的优化设计

Large-diameter cylinder seal structure analysis and improvement

基于大直径柱塞缸密封结构的分析与改进

Methane Pump Mechanical Seal Failure Analysis and Improvement of Sealing Systems

甲烷泵密封失效原因分析及密封系统改进

Efficiencies include all mechanical losses including mechanical seals.

效率包括所有机械密封中的机械损失。

Analysis and Experimental Study on the Failure of Seal in Transmission of Vehicle

传动装置动密封失效分析及试验研究

Replacement inside the Tunnel and Failure Analysis of Sealing of TBM Main Bearing

TBM主轴承内密封洞内更换及失效分析

The transformation on sealing components of glass pipeline in import sulphuric acid refine device from abroad and sealing structures of the imported high pressure plunger pump is introduced.

介绍了引进硫酸精制装置中玻璃管路密封件以及高压柱塞泵密封结构的改造。

If it does not drop but there is a small leakage at test cock No.2, then No.1 ball valve has a small leak, but No.1 check valve is tight.

如果水柱没有下降，但是测试旋塞2号有点泄漏，则1号球阀有点泄漏，但是1号止回阀密封紧密。

If it does not drop, but there is slow leakage at test cock No.3, then No.1 ball valve has a small leak, but No.2 check valve is tight.

如果水柱没有下降，但是测试旋塞3号有点泄漏，则1号球阀有点泄漏，但是2号止回阀密封紧密。

Piston rings not sealing (oil being consumed by the engine).

活塞环没密封（引擎用油）。

Analysis on Reliability and Contact Bonding for Sealed Electromagnetic Relay;

密封电磁继电器的可靠性及触点粘结失效分析

Application of fuzzy theory in assessment of sealing failure of hydraulic system

模糊理论在液压系统密封失效评价中的应用

Analyzing and Improvement on the Sealing Invalidation of the Pinch Roller in Continuous Hot rolling Caster

热轧连铸机夹送辊密封失效原因分析及改进

Analysis of Typical Cases on Failures of Rubber Sealing Products in Hydraulic-Pressure System

液压系统橡胶密封件的失效典型案例分析