LUBRICATION SYSTEM FOR AIRCRAFT ENGINE REDUCTION GEARBOX

An epicyclic gear train (30) includes a sun gear (34) and planet gears (36) mounted to a carrier (37) and engaged to the sun gear (34). The planet gears (36) and the carrier (37) are rotatable about a center axis (32), and the carrier (37) is engaged with a power output (24) at a carrier-output engagement location (39). Ring gears (38) are in meshed engagement with the planet gears (36). Planet gear bearings (40) are disposed between one of the planet gears (36) and the carrier (37). A lubrication interface (41) is defined between each planet gear bearing (40) and one of the planet gears (36). A bearing lubrication system (50) includes a lubricant supply conduit (52) extending between a conduit inlet (54A) at the carrier-output engagement location (39) and conduit outlets (54B) at the lubrication interfaces (41) of the planet gear bearings (40). A lubricant strainer (56) is mounted about the conduit inlet (54A) at the carrier-output engagement location (39).