通用发动机曲轴油封密封失效原因分析

摘要

The working principle of the crank oil seals of general-purpose engines is introduced, the causes of oil seal failure are analyzed and the methods for prolonging the service life of oil seals are summed up.%介绍了通用发动机曲轴油封的工作原理，分析了油封密封失效的原因，总结了提高油封使用寿命的方法。