Propeller health monitoring
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United States of America Patent
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-
Jul 25, 2023
Grant Date -
Nov 15, 2018
app pub date -
May 9, 2018
filing date -
May 10, 2017
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method of monitoring the health of an aircraft propeller whilst the propeller is in operation, the propeller having a plurality of blades extending radially outwardly from hub arms of a propeller hub, which in turn extend radially outwardly from a central axis extending through the propeller and a propeller drive shaft, is provided. The method comprises obtaining measurements representative of the strain in each of at least some of the hub arms using strain sensors, each of the strain sensors being provided on a respective hub arm. A corresponding propeller health monitoring system, an aircraft propeller comprising the system and an aircraft comprising the propeller are also provided.
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