Adjustable floating oil channel for gas turbine engine gear drive
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United States of America Patent
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Jul 27, 2021
Grant Date -
Sep 11, 2014
app pub date -
Jan 21, 2013
filing date -
Jan 21, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A turbine is operably connected to drive a compressor, and to drive a fan through a gear drive. A number of intermediate gears connecting an output shaft of the turbine to a fan drive shaft for the fan. An oil channel collects oil thrown outwardly of the gear drive. A bearing support mounts bearings supporting the fan drive shaft. The oil channel and the bearing support each include mating faces that are bolted together by a plurality of bolts. The bolts extend through oil channel holes in the mating face of the oil channel. The oil channel holes have one dimension which closely receives the bolts and another dimension which is larger than an outer diameter of the extending portion of the bolts, such that the bolts may adjust radially within the oil channel holes.
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