Integrated Motor Assembly with Compliantly Mounted Power Inverter

摘要

An integrated drive assembly for an electric vehicle is provided, where the power inverter enclosure is separate from the motor and the transmission, and where the power inverter enclosure is coupled to, and separated from, the motor via a plurality of inverter support members. Each of the inverter support members is rigidly coupled to the transmission enclosure and compliantly coupled to the power inverter enclosure using a plurality of flexible bushings.

主权项

1. An integrated drive assembly of an electric vehicle, comprising:
an electric motor disposed within an electric motor enclosure; a power inverter disposed within a power inverter enclosure, said power inverter configured to convert DC current supplied by a battery pack to AC current capable of operating said electric motor; a transmission disposed within a transmission enclosure, wherein said transmission is coupled to said electric motor and coupled to a drive shaft, wherein said electric motor provides propulsive power to said electric vehicle; and a plurality of inverter support members, wherein a first end portion of each of said plurality of inverter support members is rigidly coupled to said transmission enclosure, and wherein a second end portion of each of said plurality of inverter support members is compliantly coupled to said power inverter enclosure using a plurality of flexible bushings, and wherein said plurality of inverter support members maintains said power inverter enclosure at a distance from said transmission enclosure.