Method of assembly for gas turbine fan drive gear system
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United States of America Patent
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Jan 23, 2018
Issued Date -
N/A
app pub date -
Mar 24, 2014
filing date -
Jul 5, 2006
priority date (Note) -
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Abstract
A method of assembling an epicyclic gear train comprises the steps of providing a unitary carrier having a central axis that includes spaced apart walls and circumferentially spaced connecting structure defining spaced apart apertures provided at an outer circumference of the carrier. Gear pockets are provided between the walls and extend to the apertures. A central opening is in at least one of the walls. A plurality of intermediate gears are inserted through the central opening and move the intermediate gears radially outwardly into the gear pockets to extend into the apertures. A sun gear is inserted through the central opening. The plurality of intermediate gears is moved radially inwardly to engage the sun gear.
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