Planetary gear transmission systems or components – With lubricaton – For differential planetary gearing
Reexamination Certificate
2007-06-12
2007-06-12
Lorence, Richard M. (Department: 3681)
Planetary gear transmission systems or components
With lubricaton
For differential planetary gearing
Reexamination Certificate
active
10995204
ABSTRACT:
A lubrication system of an axle assembly comprising a differential carrier rotatably supporting a differential case therewithin, an axle tube extending outwardly from the differential carrier, a bearing assembly for rotatably supporting the differential case within the differential carrier, and an annular drain-back baffle formed with a drain-back hole passing through the drain-back baffle and defining an oil delivery passage between the differential carrier and the axle tube. The drain-back baffle is selectively positioned within the axle assembly to provide changeable oil flow characteristics of the axle assembly. A method is provided for controlling flow of lubricant between a differential gear and an axle tube by selectively adjusting the position of the drain-back channel in order to provide the desired lubricant flow path.
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patent: 5085100 (1992-02-01), Duello
patent: 6126565 (2000-10-01), Irwin
patent: 6345712 (2002-02-01), Dewald et al.
Berenato White & Stavish
Lorence Richard M.
Torque-Traction Technologies, LLC.
Young Edwin A.
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