Patent ID: 11873885
Assignee: LINAMAR CORPORATION
Field: Mechanical elements (Mechanical engineering)
Classification: CPC B  F | IPC B  F

Claim 0:
1. A drive unit for an electric axle of a vehicle, the drive unit having an electric motor for providing drive to a wheel assembly, the drive unit comprising:
a housing having a bulkhead portion;
a main shaft driven by the motor;
a reduction gear assembly coupled to the main shaft, the reduction gear assembly having a first stage gear assembly, an intermediate shaft, and a second stage gear assembly; and
a pair of bearings;
said intermediate shaft having a proximal end axially adjacent to the motor and a distal end axially spaced apart and opposite from the proximal end;
said first stage gear assembly having,
a first drive gear mounted to and coaxial with the main shaft, and
a first driven gear rotatably coupled to the first drive gear and mounted to the proximal end of and coaxial with the intermediate shaft,

said second stage gear assembly having,
a second drive gear mounted to and coaxial with the intermediate shaft, and
a second driven gear rotatably coupled with the second drive gear, said first driven gear, second drive gear and intermediate shaft forming an intermediate shaft assembly;

a first bearing of said pair of bearings is mounted to the bulkhead portion of the housing and to said intermediate shaft assembly between the first driven gear and second drive gear; and
a second bearing (74) of said pair of bearings (72, 74) is mounted between said housing (14) and said distal end (76) of the intermediate shaft (42).