Some critical measures for reducing friction losses and increasing efficiency in rotary sliding vane compressor,and analyses design principles and calcnlation method for radius of vane tip when relief ring is adopted.

• 探讨滑片式回转压缩机减少摩擦损失、提高效率的某些关键措施; 分析采用卸荷环时,滑片顶部圆角半径的确定原则和计算方法。