Oil scavenge arrangement
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United States of America Patent
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Sep 1, 2015
Grant Date -
Apr 17, 2014
app pub date -
Sep 19, 2013
filing date -
Oct 12, 2012
priority date (Note) -
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Abstract
An epicyclic gearbox including: a sun gear, a ring gear, an array of planet gears that each mesh with the sun gear and the ring gear and rotate relative thereto, and a planet carrier that couples the planet gears in relative position to each other. The planet carrier includes interplanetary portions that are located between adjacent pairs of planet gears and have a first and a second circumferential surface facing each adjacent planet gear; and direction features on at least one of the circumferential surfaces that, in use, direct fluid ejected with a radial component from the planet gears and direct it with an axial component.
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