Patent ID: 8585526
Filing Date: 2013-11-19
Classification: F16H,Y10T

Abstract:
1. An axle assembly comprising: an axle housing that defines a cavity, the axle housing having a first layer that is formed of a ferrous material and a second layer that is formed of another material having a thermal conductivity that is greater than about 1.30 W/cm ° K, the first and second layers being in thermal communication to transmit heat therebetween, the first layer including an interior surface and an exterior surface, the second layer not passing through the first layer and being arranged upon the first layer to encase a majority of the interior surface or the exterior surface to form a heat sink; a differential received in the cavity in the axle housing; an input pinion coupled to the axle housing and adapted to transmit a rotary input to the differential; a pair of axle shafts coupled to the differential, the differential transmitting rotary power from the input pinion to the axle shafts; and a cover coupled to the axle housing to enclose the cavity in the axle housing.