提出了保证端面密封可靠性的措施。
The measures were put forward to assure the reliability of end face seal.
在功能方面，它起双端面密封的作用。
端面密封片启闭不泄漏，机械性能可靠。
S end face sealing piece on-off not leak, mechanical properties and reliable.
本实用新型涉及一种端面密封手动三位四通换向转阀。
The utility model relates to an end-face sealed manual three-position four-way reversing rotary valve.
本文介绍光干涉条纹及其检测高精度浮动端面密封环密封面的理论与应用。
This paper introduces the optical interference and its theory and application on the inspection of high precision flatness of the seal-face of floating end-face seal rings.
同时进行了进口端面密封设计、推力轴承设计以及对水泵效率影响的讨论。
Other design methods were also presented, such as the face seal at inlet, axial thrust bearing, and its effect to pump efficiency was also discussed.
采用高平面度、耐磨损、耐腐蚀的端面密封片启闭，密封性能好，使用寿命长。
S adopts high flatness, wear resistance, corrosion resistance of end face sealing piece on-off, sealed performance is good, long service life.
改进的碟形密封圈不但具有端面密封能力，而且将具有一定的径向密封和擦拭功能。
The innovative dishing ring not only possesses end -face sealing capacity, but also has some radial seal and clean function.
在有关端面密封气膜压力分布的计算中，采用了对几何结构适应性强的有限元素法。
The adaptable finite element method is used for calculating the pressure distribution of gas film for face seal.
通过轴承、端面密封组件在液氧、液氮中的运转试验，可为发动机研制提供准确数据。
The operation tests of bearing and face seal components in LOX and liquid nitrogen provided accurate data for future engine development.
叙述浮动端面密封环压力铸造的三种压射套结构、材料和表面处理工艺及其应用范围。
Three kinds of injection sleeves construction, materials, surface treatment and application ranges of floating end face seal ring by die casting are expounded.
提出造成气膜端面密封角向摆动自振的内在机理，既有半频摆动自振又有角向气锤自振。
It is posed that angular air-hammer self-excited vibration and half frequency wobble self-excited vibration are two reasons for resulting angular wobble self-excited vibration for gas film face seals.
采用德国博格曼机械双端面密封+KENOD自行开发组件，完全替代进口无菌密封。
Adopted the German Burgmann mechanical double seal + KENOD develop their own components, completely replace imported sterile seal.
提出一种适用于高速旋转的端面密封结构。对该结构的密封原理、密封能力和工作特点进行了分析；
This paper presents a face seal structure which is suitable for working at high speed, and analyses the sealing principle, the sealing capability, and the performance characteristic of the seal.
一种用于高速高压等极端工况下的新型双螺旋槽端面密封在实际运行过程中密封腔压力会出现波动，从而影响密封稳定性。
Seal chamber pressure of a new double spiral groove face seal working under high velocity and pressure conditions may probably be disturbed in operation, which affects the seal stability.
机械密封：采用WB2型、ST型不用冷却水可调式端面密封技术，由碳化硅，高纯度氧化铝陶瓷、填充四氟，石墨等材料制成。
Mechanical seal: use of WB2 and st non-water-cooled adjustable end face sealing technology, composed of silicon carbide, high purity alumina ceramic, packing PTFE and graphite etc.
在试验器上进行了性能、耐久性及寿命试验。试验结果表明，磁力端面密封具有密封性能优异、寿命长等优点，基本能够满足某型发动机研制的需要。
The rig testing results have showed that the magnetic seal has advantages of excellent performance and long life which can meet the needs for typical engine development.
弹簧性能的发生变化将会直接影响机械密封端面比压。
Changes in the spring performance will directly affect the mechanical seal face pressure.
通过分析端面结构参数对密封开启力和液膜刚度的影响规律，可得到端面结构的优化参数。
Seal face geometry parameters can be optimized by analyzing regulation of their effect on opening force and liquid film stiffness.
螺旋通道的端面是焊接密封的，密封性能好，结构可靠。
The end surface of spiral channel is sealed by welding, therefore the sealing performance is good with reliable structure.
密封端面正锥度的增加能使密封气膜刚度显著提高，但同时也使密封的泄漏量有所增加。
With the increasing of seal face's positive taper, the stiffness of gas film would obviously increase, but the leakage of seal would also increase.
轴封采用新颖的双端面机械密封结构形式。
机械密封主要的是靠装在轴上的动环与固定在泵壳上的静环之间端面作相对运动而达到密封的目的。
The main mechanical seal is installed in the shaft on the dynamic in Central and fixed pump shell on the static ring for the relative motion between the end to achieve the objective of sealing.
研究表明在部分密封端面上加工微孔可有效增大端面静压。
The parametric study demonstrates that substantial hydrostatic pressure can be produced on the seal face with partial micro-pores.
对各种加工方法进行比较可知，在机械密封端面上加工微孔，激光表面处理技术是惟一有效的加工方法。
Compared with any other processing methods, laser technology is a unique way to produce micro-pores on the seal face.
介绍了径向双端面机械密封在反应釜应用中存在的问题及改进，延长了使用寿命，降低了检修费用。
Existing problems of radial double ended mechanical seal used in reactors and their improvement are introduced, thus lengthening lifespan and reducing the cost of overhaul.
介绍了径向双端面机械密封在反应釜应用中存在的问题及改进，延长了使用寿命，降低了检修费用。
Existing problems of radial double ended mechanical seal used in reactors and their improvement are introduced, thus lengthening lifespan and reducing the cost of overhaul.
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