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E-Axle

The Innovative Schaeffler Modular E-Axle

I. Introduction

II. Basic idea – lightweight differential

Figure 1 Lightweight differential with planetary design with O-arrangement bearing support for parallel axis drive axles

III. Concept for coaxial drives

Figure 2 Stepped planetary gear set with integral compensation gearing on the differential

Figure 3 Transmission with highly integrated stepped planetary gear set

Figure 4 Efficiency of the drive axle with 440 Nm PSM and power electronics

Figure 5 Schematic representation of the coaxial drive concept

Figure 6 Schematic representation of the coaxial drive concept

Figure 7 Electric axle drive for C segment with reduced maximum speed

IV. Concept for parallel axis drives

Figure 9 Two-speed electric axle drive for powerful PHEVs

Figure 10 Schematic representation of the parallel axis drive concept

Figure 8 Two-speed electric axle drive in parallel axis arrangement

V. Torque vectoring

Figure 11 Coaxial drive concept with additional torque module

VI. Summary

The digital version of the Schaeffler Symposium 2018 “Mobility for Tomorrow” conference transcript

II. Basic idea – lightweight differential

IV. Concept for parallel axis drives