GAS TURBINE ENGINE HAVING A HYDRAULIC FAN BRAKE
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United States of America Patent
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Issued Date -
Jan 23, 2025
app pub date -
Jan 18, 2024
filing date -
Jan 18, 2024
priority date (Note) -
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status (Latency Note)
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Abstract
A turbine engine having a longitudinal centerline axis. The turbine engine including a fan comprising a plurality of fan blades that rotate about the longitudinal centerline axis and a rotational component coupled to the fan. The turbine engine including a fluid circuit for supplying fuel or lubricant to the turbine engine and a hydraulic fan brake coupled to the fluid circuit to prevent rotation of the rotational component, thus preventing rotation of the fan. The hydraulic fan brake including a hydraulic cylinder fluidly coupled to the fluid circuit and a valve coupled to the hydraulic cylinder and having a first valve position that disengages the hydraulic fan brake to allow rotation of the rotational component and a second valve position that engages the hydraulic fan brake to prevent rotation of the rotational component.
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