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Torque-vectoring dual-clutch unit requires only one motor for e-cars

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By Christoph Hammerschmidt


Leveraging its all-wheel drive (AWD) and coupling expertise and portfolio, BorgWarner created its torque-vectoring dual-clutch unit, which features two clutches – one inner and one outer – that replace the conventional differential in an electric driveline. Traditional torque-vectoring systems require two e-machines in the rear, which makes them expensive and heavy, while the new dual-clutch solution conserves weight and space in the driveline, aiding in overall vehicle efficiency.

Designed to improve electric vehicle handling and maneuverability, BorgWarner’s torque-vectoring dual-clutch commands torque independently, distributing torque to the left and right wheels from its position on the rear axle. The torque-vectoring dual-clutch, connected to one electric motor and featuring two reversible GenVI actuators (one per clutch), dynamically transfers torque for improved steering response and controllability, delivering a stable, experience for the customer. This system has a capacity of up to 2,600 Nm per clutch and has a feature that disconnects the rear-axle when all-wheel drive isn’t needed. The vehicle then operates in front-wheel drive, resulting in reduced losses and increased range for electric vehicles.

Start of production will kick off in the first half of 2022 for a major, global OEM’s electric vehicle, Borg Warner informed.

More information: https://www.borgwarner.com


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