Patent ID: 8066472
Filing Date: 2011-11-29
Classification: F16C

Abstract:
1. A lubrication system for a bearing assembly comprising: a shaft rotatable about an axis, said shaft including a plurality of conduits and a plurality of dams extending inwardly toward said axis such that a trough is formed between each pair of adjacent dams; a first bearing rotatably supporting said shaft; a second bearing rotatably supporting said shaft, said second bearing being axially spaced from said first bearing along said axis, and wherein said plurality of conduits includes at least a first conduit aligned with said first bearing and a second conduit aligned with said second bearing; and a spray bar including a plurality of supply orifices that direct lubricating fluid to said first and said second bearings via at least said first and said second conduits; and wherein said conduits and supply orifices are positioned such that the lubricating fluid exiting said plurality of supply orifices is collected within said troughs and then directed by said plurality of dams toward said plurality of conduits.