进行了螺旋密封结构参数优化设计及其编程。
The program for structural parameters' optimization of the helical axial seal is designed.
螺旋密封的封液能力的计算是设计螺旋密封的关键。
The calculation of sealing capability of spiral seal is the key to design the spiral seal.
提出将螺旋密封应用于超微燃气透平气体介质密封。
The helix seal was put forward to be used in ultra-micro gas turbine (UMGT) system for reducing gas leakage.
实现了螺旋密封与浮环密封相结合的结构设计及应用。
The structural design and application for combination between the helical axial seal and floating-ring seal have been performed.
研制出防止轴头甩油的离心密封和螺旋密封组合的新结构。
A new construction which combines centrifugal seal and screw seal has been developed.
在离心泵上采用了上述优化设计参数的螺旋密封，并经生产应用。
Based on the optimal results of seal's structural parameters, a helical axial seal is used in the centrifugal pump.
这种密封装置采用非接触迷宫螺旋密封型式，克服了固体颗粒造成的磨损；
The new sealing device adopts non-contact labyrinth spiral sealing mode, prevents the wear caused by the solids.
分析表明，螺套式螺旋密封不仅能获得与螺杆式螺旋密封相同的封液能力，而且还可以改善密封效果。
It is clear that screw-sleeve type screw seal not only can obtain sealability as screw-shaft type screw seal, but also can improve sealing effect.
在对螺旋密封式给水泵的密封原理作简要介绍的基础上，针对其因密封水压差小而导致频繁跳泵的问题进行了讨论。
This paper briefly introduces the sealing principle of the screw sealing feed water pump, and deals with its frequent trip problem arising from inadequate pressure difference of seal water.
本文从泵的角度对螺旋密封“气吞”及“密封失效”现象作出了合理、全面的解释，并提出一种新型组合螺旋密封。
In this paper, based on the work mechanism of the flow pump, gas ingestion and failure of helical seal are fully explained. Moreover, a new type of combined helical seal is put forward.
其部分原因是涡轮螺旋桨飞机结构坚固，部分原因是“空中拖拉机”公司生产的油箱有多层橡胶密封，一旦子弹射穿油箱，橡胶层就会自动封闭住弹孔，减缓燃油的渗漏。
In part this is because of the turboprops' robust design, and in part because Air Tractor's fuel tanks have rubber membranes which close around bullet holes to slow leaks.
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.
螺旋槽干气密封试验分析了干气密封螺旋槽几何参数对开启力、功耗、泄漏率和气膜刚度的影响，并通过理论计算对试验数据给予了验证。
The influences of the spiral groove parameters on the opening force, power loss, leakage rate and stiffness of gas film were investigated by the experimental test.
用有限元法分析了人字形螺旋槽机械密封的热变形和力变形。
Using finite element method, the thermal and mechanical deformations of herringbone spiral groove mechanical seal are analyzed.
针对粉状物料螺旋输送机轴承损坏问题，提出了轴承密封结构的改进措施，说明了改进后的应用效果。
As to the problems of bearing disable, the mend method on seal structure of the screw conveyer for powder materiel is put forward, and the applied effect is demonstrated.
小软管：可弯曲的圆柱形小容器，一头密封，另一头带螺旋盖，用于装入颜料、牙膏等膏状物质。
A small, flexible cylindrical container sealed at one end and having a screw cap at the other, for pigments, toothpaste, or other pastelike substances.
计算结果表明， 供液小孔所产生的压力损失提高了双列螺旋槽机械密封的静态轴向刚度。
The results of calculation indicates that the static axial stiffness of fluid film in double spiral groove face seal is improved due to the pressure loss through feeding holes.
本文引用考虑微尺度效应的雷诺方程，推导出了考虑微尺度效应的螺旋槽干气密封内部流动的近似算法。
Based on the Reynold's equations with the micro scale effects considered, a new kind of approximate algorithm for the inner flow of the spiral grooved gas seals was set up in this paper.
为此，改为非接触式螺旋槽机械密封。
So that the seal was changed for non-contacted type spiral slot mechanical seal.
用有限元数值计算的方法得出了一定条件下螺旋槽上游泵送机械密封端面间液体的压力分布、开启力及上游泵送量等。
The two dimensional fluid Reynolds equations were established using the finite element method. The pressure distribution, opening force and upstream pumping rate of spiral groove were obtained.
所述螺旋缠绕线圈可膨胀成与所述 模制机的一圆筒壁密封啮合。
The helically wound coil is expandable into sealing engagement with a cylindrical wall of the molding machine.
提出一种考虑螺旋槽气体密封端面径向锥度的理论模型。
A theory model considering the face radial coning of spiral groove gas face seals was given.
悬紧这两部份螺旋﹐确保过滤网和橡胶热圈放到位。这对密封的完好性非常重要。
Screw the two sections together making sure the filter and rubber gasket are in place. This is important to ensure a perfect seal.
南桠河和耿达水电站机组主轴密封改造为螺旋动力泵式主轴密封后，解决了多年存在的运行缺陷。
After unit shaft sealing was reformed into spiral dynamic pump sealing in Nanyaheand Gengda hydropower stations, operation defect which existed for many years is disappeared.
浮动螺旋结构可自动适应密封压力，自动补偿螺旋磨损，自动适应泵轴串动；
The floating spiral structure is designed to automatically adapt the sealing pressure, to compensate automatically spiral wear and adapt shaft play.
所述螺旋缠绕线圈可在所述槽内在一熔体通道打开位置与一熔体通道关闭位置之间横向移动，以打开或密封所述熔体通道。
The helically wound coil may be movable laterally in the groove between a melt channel open position and a melt channel closed position to open or seal the melt channel.
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.
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.
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