BorgWarner increases power efficiently for EVs

Compact drivetrain saves weight and size

BorgWarner develops a compact electric drivertrain for use in hybrids and pure EVs.

The module includes an electric motor and an electric transmission that can provide primary or secondary propulsion.

Because the two functions are housed within one system, installation in vehicles is made easier and the design of the system means that the Tier One supplier was able to reduce its size and weight as well as save on costs.

Stefan Demmerle, president and general manager for BorgWarner PowerDrive systems, said: “Based on the vehicle manufacturer’s desired propulsion characteristics, performance is optimized with various available gear ratios to provide a completely tailored solution. Through its high-efficiency gear train and compact, low-weight design, the eGearDrive transmission contributes to extended battery-powered driving range, which in turn reduces the battery capacity required.”

Including the firm’s patented high voltage technology and optional power electronics, the electric motor is able to deliver maximum power with over 95% efficiency. This was enabled by expertise recently gained in electric motor technology through the acquisition of the rotating electrical components firm REMY last year.

The system is expected to have its first application in two pure EVs from a Chinese OEM, with production expected to begin in the middle of next year.

tags: Borgwarner EV Hybrids & EVs