Patent ID: 6419060
Filing Date: 2002-07-16
Classification: F16D

Abstract:
A drive unit comprising:a stationary housing defining a chamber; an input member rotatably supported with respect to said stationary housing; an output member rotatably supported with respect to said stationary housing and said input member; a selectively operable brake for prohibiting rotation of said output member with respect to said stationary housing, said brake including a plurality of brake friction discs interleaved with a plurality of brake plate members; a selectively operable clutch for prohibiting rotation of said output member with respect to said input member, said clutch including a plurality of clutch friction discs interleaved with a plurality of clutch plate members; and a lubricant passage extending from said chamber to one of said plurality of brake friction discs and said plurality of clutch friction plates, said lubricant passage including a bore extending into said output member; a dam disposed within said lubricant passage, said dam retaining a specified amount of lubricant within said bore of said output member, said dam comprising an end plug secured to said output member, said end plug defining a hole.