Patent ID: 6743136
Filing Date: 2004-06-01
Classification: F16H

Abstract:
A differential assembly comprising:a hollow differential case having at least one substantially radial bore, said differential case provided for rotation about a longitudinal axis; a differential drive mechanism including at least one pinion mate gear disposed within said differential case and rotatably mounted on a pinion shaft supported in said radial bore; at least one pinion seat surface formed in said differential case for supporting said pinion mate gear for rotation; and at least one lubrication passage formed in said differential case provided to supply lubricant to a space between said at least one pinion seat surface and said at least one pinion mate gear, said at least one lubrication passage having at least one inlet port provided on an outer peripheral surface of said differential case and spaced from said radial bore, and an outlet port provided on said at least one pinion seat surface and open into said space between said at least one pinion seat surface and said at least one pinion mate gear.