Monitoring of a degree of coking at dynamic seals by a starter
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United States of America Patent
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Apr 17, 2018
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app pub date -
Sep 10, 2014
filing date -
Sep 13, 2013
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Abstract
The invention relates to a method (1000) for monitoring a degree of coking at the dynamic seals of a turbine engine comprising:
- a gas generator, comprising a rotary shaft and an injection wheel mounted on said shaft,an injection manifold,dynamic seals for ensuring a seal between the injection wheel and the injection manifold, anda starter, the method comprising the steps:measuring (1500), during a phase for initiating rotation of the shaft of the gas generator by the starter, a current flowing through the starter and a voltage on the terminals of the starter,determining (1600), from the measured current and voltage, a degree of coking at the dynamic seals.
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