旋装式机油滤清器止回功能失效原因分析

Cause Analysis on Anti-drain Function Failure in Spin-on Lubricating Oil Filter

介绍旋装式机油滤清器结构和原理,阐述止回阀的重要性,同时简要介绍旧内标准针对止回阀的技术要求和试验。结合实践经验,分析止回功能失效的原因。

The structure and principle of spin-on lubricating oil filter were introduced. The importance of anti-drain valve was expoun- ded. The technical specifications and test about anti-drain valve in domestic standards were introduced briefly. Combining the experience, the cause of anti-drain function failure was analyzed.