Patent ID: 8597145
Filing Date: 2013-12-03
Classification: B60K,F16D,Y02T,Y10T

Abstract:
1. An axle assembly comprising: a power transmission device having a housing, a friction clutch, an input member, an output member and a hydraulic powerpack, the housing defining a hydraulic conduit and an annular piston bore, the friction clutch being received in the housing and selectively transmitting torque between the input member and the output member, the friction clutch including a drum an annular piston received in the annular piston bore, the hydraulic powerpack being fixedly coupled to the housing and configured to transmit pressurized hydraulic fluid through the hydraulic conduit to the annular piston bore; first and second axle shafts; a differential that is configured to transmit drive torque from the output member to the first and second axle shafts; and an electric motor comprising a coil and a plurality of magnets, wherein the coil is disposed on one of the housing and the drum and the magnets are disposed on the other one of the housing and the drum.