sliding sleeve

To overcome the shortcomings of the shear pin type joint and left-hand thread type joint, a sliding sleeve subsurface safety joint is developed.

为了克服剪钉式和反扣式两种安全接头的不足，研制出一种滑套式井下安全接头。

Multi-layer Polymer Injection Allocator with Single-tubing and Sliding Sleeve Switch

聚合物单管多层滑套开关配注器研制

The study and application of sliding-sleeve jet pump

高可靠性煤泥泵的设计研究与应用滑套式喷射泵的研究

And it gives the emphasizing analysis on the design of the hydraulic-pressure power unit in the style of sliding sleeve.

重点对专用的滑套式液压动力头的结构设计予以阐述。

The sliding sleeve for sand blast is connected with the packer body to prevent sand plug.

喷砂滑套与封隔器主体连成一体，减少了施工时的沉砂量，不易造成砂堵。

Lower Sliding Sleeve I.D.

下滑套内径。

Discussion on problems in application of sliding sleeve

滑套使用中若干问题的分析探讨

Because of its superior performance, the friction in friction application fields become best material, such as sleeve bearing, sliding bearing, the valve seat, seals, pump wear ring, etc.

因其优越的摩擦性能，在摩擦应用领域成为理想材料，如套筒轴承、滑动轴承、阀门座、密封圈、泵耐磨环等。

On the basis of researching on sliding-tooth transmission theory and the principle of orbit motor, a new type of bolt sleeve sliding-tooth gear motor is presented. The discussion is focused on the working and structure principle of the new motor.

在活齿齿传动理论和行星摆线齿轮马达工作原理相结合的基础上，提出了一种新型的活齿液压马达，讨论了该活齿液压马达的工作原理。

Through the skillful design and collocation of the parts of sliding bar, protective sleeve and spring, as well as the choice of the right control scheme of direct current electromotor, the anticipated goal was achieved.

通过阀杆、保护套、弹簧等零件的巧妙设计和配合，并选择合适的直流电动机控制方案，达到了预期目的。

Sliding sleeve subsurface safety joint for multiple stage usage

可多级使用的滑套式井下安全接头

On the basis of well side investigations, this paper analyses the reasons that sliding sleeve can't open within the range of allowable pressure and proposes corresponding measures.

通过现场实践，分析滑套在允许压力范围内打不开的原因并采取相应措施，在实践中起到了很好的效果。