Method for monitoring health of a seal

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United States of America Patent

PATENT NO 10024754
APP PUB NO 20160341628A1
SERIAL NO

15159085

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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There is disclosed a method of monitoring the health of an abradable seal located on a piston of an actuator, the method comprising the steps of: (i) measuring an initial velocity of said actuator piston while said actuator is maintained in a passive condition at an initial time; (ii) operating said actuator; (iii) measuring a subsequent velocity of said actuator piston while said actuator is maintained in a passive condition at a subsequent time; (iv) repeating steps (ii)-(iii) and either: recording or outputting the measured subsequent velocities over time; or determining a health status of said actuator when said subsequent velocity has increased above a predetermined amount.

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Patent Owner(s)

Patent OwnerAddress
GOODRICH ACTUATION SYSTEMS SASVERNON

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hervieux, Arnauld Versailles, FR 8 5
Le, Riguer Bastien Morainvilliers, FR 4 4

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