German Startup DeepDrive Set to Revolutionize EVs with In-Wheel Motor Tech
DeepDrive, a German startup, is set to revolutionize electric vehicles with its innovative in-wheel motor technology. Collaborations are already in progress, notably with BMW, aiming for market readiness by 2026/27, pending manufacturing partners and regulatory approvals.
DeepDrive's wheel hub motor uses a double rotor radial flux construction, directing magnetic flux from two sides onto a central stator. This design uses 80% less iron and 50% less magnetic material than conventional electric motors, reducing costs and improving efficiency. The modular design allows for flexible combinations in future all-wheel or hybrid applications.
A test drive with a modified Tesla Model 3 demonstrated the smooth, precise, and stable performance of DeepDrive's in-wheel drive system. Unlike conventional electric vehicles that use centralized drives with complex power transmission via shafts, gears, and differentials, DeepDrive's innovation places the electric motor directly in the wheel, reducing mechanical components, space, and weight. This could enable up to 20% more range in urban traffic due to fewer components and less friction loss.
However, challenges remain. Managing unsprung mass for ride comfort, cooling, sealing, and long-term reliability of wheel hub motors are key areas DeepDrive is addressing. The company plans to use its double rotor technology in future range extenders, providing flexibility for car manufacturers.
DeepDrive's in-wheel motor technology promises significant advancements in electric vehicle efficiency and range. With collaborations underway and successful test drives, the company is poised to bring its innovative solution to market, pending manufacturing partners and regulatory approvals.
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