Hermetical parts broke , aging , or distortion .

密封件破坏、老化、变形。

In order to increase the meshing scope between the vane and rotor , reduce the vane 's wear , and improve its hermetical performance , a rotary compressor with tilted vane was proposed .

为了增大滑片与转子间的接触范围、减缓滑片磨损及增加该处气体密封性能，将直立滑片向排气口侧旋转一定角度后形成倾斜滑片滚动活塞压缩机。