Based on the engine vibration character induced by the piston impact on the cylinder, it is practical to judge the clearance condition between them by engine surface vibration intensity.
本文讨论了活塞撞击引起的发动机振动特性，指出利用表面振动信号判断活塞缸套间的间隙状态是可行的。
2
This article believes that clearance space has the most important effect upon the ventilation of the piston compressor, and introduces the method of measuring and adjusting the clearance space.
认为余隙间隙对活塞式压缩机排气量的影响最大，并介绍了余隙间隙的测量及调整方法。
3
The results show that the leakage losses of rolling piston compressor can be reduced effectively by designing the value of leakage clearance rationally.