Drivetrain Group: Torque Management

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Product Sheet

For additional BorgWarner Drivetrain Systems information, contact:

John Lewis 248-754-0292 lewis@borgwarner.com

eGearDrive® Electric Drive Transmission

© 2011 BorgWarner EGEAR-PS-11

Features & Advantages

BorgWarner eGearDrive®

31-03 Electric Drive Transmission

Technical Features and Advantages

• High efficiency helical geartrain: Extended electric driving range

• Adaptable motor flange interface and drop angle range: Adapts across a broad range of vehicle applications

• Wide range of gear reduction ratios: Enables optimization of vehicle acceleration and top speed

• Integral electronic park pawl actuation: Adaptable electronic shift-by-wire park lock system

The BorgWarner 31-03 eGearDrive electric-drive transmission is the next generation of technology developed for adaptability across a broad range of applications for the emerging vehicle electrification market. The eGearDrive incorporates high-efficiency geartrain technology contributing to extended battery-powered driving range and high torque capacity with greater than 97% efficiency.

Efficiency Test100

99

98

97

9640 60 80 100 120 140 160 180 200

Input Torque (Nm)

Effic

ienc

y (%

)

3000 RPM / 145° F

97.72 97.40 97.28 97.30

Specifications Mass* 28 Kg*Speeds Single Reduction ratios 6.54, 7.17, 8.00, 8.28, 8.76, 9.07Efficiency >97%Rated input torque** 200 Nm continuous (300 Nm peak)Max input speed ~ 14,000 rpmCenter distance 210 mmLubrication Splash

Park lock systemActuation: Electronic (integral to transmission)ECU: Integral to actuator (CAN enabled)Response: 350 mS

E-machine interface Adaptable flangeStatus SOP Q2 2011

*Core unit w/o e-machine adapter and ePark **Nominal rating – dependent on reduction ratio