Patent ID: 8172712
Filing Date: 2012-05-08
Classification: B60K,Y10T

Abstract:
1. A power transfer unit for a motor vehicle of the type having a front-wheel drive, transverse based engine and transaxle capable of providing on-demand four-wheel or all-wheel drive comprising: an input portion comprising an input shaft driven by the powertrain; an output portion of a transaxle comprising an output shaft; a planetary gear assembly having a sun gear, a set of planetary gears meshed with the sun gear and rotatably supported by a planetary carrier, the planetary gears meshed with the sun gear and a stationary ring gear, the planetary gear assembly capable of driving the output shaft with either the sun gear or the planetary carrier; a reduction hub; a range selector having a high range, a low range, and a neutral range; a front axle differential capable of transferring torque to the front axles.