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发明授权
CN104160269B 监控发动机部件 有权

监控发动机部件
摘要：
一种使用一个或更多个涡流传感器(14)监控例如齿轮(24)的旋转发动机部件中的局部故障的方法，该涡流传感器(14)设置为随发动机部件(24)在工作期间的旋转与发动机部件(24)相互作用。涡流传感器(14)可以由监控齿轮(26)的一个或更多个齿(16)携载。设备(28)被设置为测量来自涡流传感器(14)的由于与旋转的发动机部件(24)相互作用而形成的输出信号。该输出信号被处理从而检测表示局部故障的输出信号的形状变化。
摘要（英）：

A method for monitoring local defects in a rotating engine component such as a gear uses one or more eddy current sensor(s) arranged to interact with the engine component as it is rotating during service. The eddy current sensor(s) may be carried by one or more teeth of a monitoring gear. A device is arranged to measure an output signal from the eddy current sensor(s) resulting from interaction with the rotating engine component. The output signal is processed so as to detect a change in shape of the output signal indicative of a local defect.

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