Patent ID: 6484834
Filing Date: 2002-11-26
Classification: B60K,B60L,F16H,H02K,Y02T,Y10S

Abstract:
An electrically-powered drive axle for a motor vehicle, comprising:a housing defining first and second chambers; an electric motor located in said first chamber and having a rotor shaft extending into said second chamber; and a gearbox located in said second chamber and operably coupling said rotor shaft to first and second output shafts, said gearbox including a reduction unit having first gearset and a second gearset, said first gearset including a first sun gear driven by said rotor shaft, a first ring gear, a first carrier fixed to said housing, and a set of first planet gears rotatably supported by said first carrier and meshed with said first sun gear and said first ring gear, said second gearset includes a second sun gear driven by said first ring gear, a second ring gear fixed to said housing, a second carrier, and a set of second planet gears rotatably supported by said second carrier and meshed with said second sun gear and said second ring gear, said gearbox further including a differential assembly having an input driven by said second carrier, a first output driving said first output shaft, and a second output driving said second output shaft.