TRANSFER CASE - METHOD OF CONTROLLING LUBRICATION - ECO - MODE OPERATION

摘要

A transfer case is provided with a primary shaft which is selectively engagable with a secondary shaft via a clutch mechanism. The clutch mechanism is inclusive of a friction pack. A hub of the clutch mechanism is connected on the primary shaft and the clutch housing is torsionally fixed with a primary sprocket rotatively mounted on the primary shaft. A passive or active controlled lubricant collection receptacle is provided which maximize fluid retention in conditions wherein there is not a high demand of torque for the clutch system of the transfer case thereby minimizing fluid that is unnecessarily churned by engagement with the hub connected with the secondary shaft.

主权项

1. A vehicle transfer case comprising:
a housing; a primary shaft rotatably mounted within said housing, said primary shaft having a sprocket torsionally connected thereto by a clutch; a secondary shaft rotatably mounted by said housing, said secondary shaft being driven by a belt when said clutch is engaged via a second sprocket; a lubricant collection receptacle positioned within a loop of said belt for gravitationally capturing lubricant splash by said belt and said sprockets.