Oil scavenge arrangement
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United States of America Patent
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Dec 30, 2014
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app pub date -
May 24, 2013
filing date -
Jun 8, 2012
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Abstract
An epicyclic gearbox oil scavenge arrangement. The epicyclic gearbox is of the planetary or differential type and comprises an input sun gear (28); a plurality of planet gears (32) that mesh with the sun gear (28) and are driven therefrom; an annular planet carrier (34) that couples the planet gears (32) in known relative orientation and is configured to precess around the sun gear (28); and a ring gear (38) that meshes with each planet gear (32). The ring gear (38) comprises ejection apertures (44) that extend radially therethrough and the planet carrier (34) comprises at least one lobe (42) that extends radially from the periphery of the planet carrier.
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