Patent ID: 8517148

Claim:
A lubrication system for use with a gear train, the gear train including a ring gear and a lubricant recovery gutter radially outboard of the ring gear, the lubrication system comprising: an auxiliary lubricant tank; a lubricant supply conduit extending from the gutter to the auxiliary lubricant tank, the conduit having an outlet configured to communicate lubricant to the tank; a lubricant bypass line branching from the conduit and having an outlet inside the auxiliary tank at a first elevation; and an auxiliary tank discharge conduit, a resident portion of which resides within the tank, the resident portion having an opening at least partially at a second elevation higher than the lower elevation, wherein the opening is an array of perforations that are each configured to communicate lubricant radially through a wall of the discharge conduit, and that each have an area that decreases with decreasing elevation, wherein the perforations are axially spaced from an end of the discharge conduit.