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介绍了PW4000发动机2.5放气系统的构成、工作原理及常见故障,针对一起机械连接失效导致的喘振故障进行分析并寻找故障根源,为故障判断和该型发动机的工程管理提供了参考。
The structure, working principle and common faults of PW4000 engine 2.5 deflation system are introduced. Aiming at the fault of surge caused by the failure of mechanical connection, the paper analyzes the root cause of fault and provides a reference for fault judgment and project management of the engine.