Magnetics Business & Technology - November/December 2024 - 22
PRODUCT NEWS
BMW Startup Garage to Road-Test Revolutionary e-Drive by DeepDrive
The BMW Startup Garage and Munich-based company DeepDrive
are set to road-test a revolutionary permanent-magnet
electric motor. The concept features dual rotor technology and
is expected to enable super-efficient, powerful drives that offer
plenty of range. After a successful pilot project with promising
results on the test rig, the BMW Group and DeepDrive are now
planning their first field test. Various versions of the new drive will
be installed into BMW Group models and their handling tested
out on the road.
DeepDrive's innovative concept essentially melds two electric
motors into a single unit, creating an extremely compact drive
that's energy-efficient and has a high torque density. In a conventional
electric motor, the stator moves either an internal or an external
rotor; with DeepDrive's dual rotor concept, the stator drives
both rotors simultaneously. The compact design and light weight
of the unit allow for an in-wheel drive system in which each wheel
hub has its own electric motor.
The technology can also be used in a traditional, centralized drive
system, where a central motor block powers the vehicle.
BMW values the maturity level and scalability potential of the
DeepDrive innovation
Inside the DeepDrive wheel
BMW was the first major manufacturer to discover DeepDrive
and has been intensifying collaborations with them since the IAA
2021. Their technology is already remarkably mature: " DeepDrive's
prototype parts largely exceeded our specifications, " says
Karol Virsik, Head of Research Vehicle Concepts and Technologies
at BMW Group. " That's really unusual at such an early stage
and with a completely new technology. "
22 Magnetics Business & Technology * November/December 2024
www.MagneticsMag.com
" All of our machines use neodymium-based rare-earth permanent
magnets. The dual rotor principle reduces the amount of
magnet material and ensures good cooling of the magnets,
allowing us to avoid the use of costly heavy rare-earth materials
like dysprosium and terbium in most applications, " says Dr.-Ing.
Alexander Rosen, co-founder and chief engineer at DeepDrive.
http://www.MagneticsMag.com
Magnetics Business & Technology - November/December 2024
Table of Contents for the Digital Edition of Magnetics Business & Technology - November/December 2024
Contents
Magnetics Business & Technology - November/December 2024 - Cover1
Magnetics Business & Technology - November/December 2024 - Cover2
Magnetics Business & Technology - November/December 2024 - Contents
Magnetics Business & Technology - November/December 2024 - 4
Magnetics Business & Technology - November/December 2024 - 5
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Magnetics Business & Technology - November/December 2024 - Cover3
Magnetics Business & Technology - November/December 2024 - Cover4
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