Patent ID: 6045476
Filing Date: 2000-04-04
Classification: B60K

Abstract:
An all wheel drive powertrain comprising:a power input means including a torque converter;a multi-speed power transmission means for providing a power output having a transmission differential assembly for distributing power to the drive wheels of a vehicle including a front wheel drive mechanism and a rear wheel drive mechanism;a central transfer gearing assembly positioned in power flow between said power input means and said multi-speed power transmission means comprising: a first sun gear drivingly connected with said power input means, a second sun gear connected with an input member of said multi-speed power transmission, and a carrier assembly having a cage and a plurality of pinion gears rotatably mounted in said cage, said pinion gears interconnecting said first sun gear and said second sun gear to deliver power therebetween and said cage being connected between said transmission differential assembly and one of said front wheel drive mechanism and said rear wheel drive mechanism.