COMPRESSOR VARIABLE VANE SPINDLE MOUNT WITH FLOATING SEAL
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United States of America
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Issued Date -
Dec 12, 2024
app pub date -
Jun 9, 2023
filing date -
Jun 9, 2023
priority date (Note) -
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Abstract
An actuation structure changes the orientation of a vane airfoil. A spindle is fixed to the airfoil such that when the arm turns the spindle, the spindle turns the airfoil, the spindle extends through a bore in the housing. A mount is between the spindle and the housing at the bore, with a metal wear sleeve pressed into the housing at the bore, such that it is part of the housing. A bushing is secured to an outer periphery of the spindle such that a bearing surface during rotation of the spindle is provided by an outer periphery of the bushing and an inner periphery of the metal wear sleeve. A seal is radially outward of the bushing with the seal providing an air seal between the spindle and the bore. A gas turbine engine is also disclosed.
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