Hyundai is advancing its growth of in-wheel hub motors for electrical automobiles, as indicated by two current patent filings.
The primary submitting, launched by america Patent and Trademark Workplace (USPTO) on November 14, 2024, was submitted earlier within the yr by Hyundai’s expertise affiliate, Hyundai Mobis. This patent describes a drive mechanism designed to allow a hub-mounted electrical motor to rotate a wheel. The mechanism consists of elements resembling a wheel bearing, outer race, and a velocity reducer that integrates a hoop gear with the bearing.
The second patent, revealed by the USPTO on October 29, 2024, and initially submitted by Hyundai Mobis on February 13, 2022, pertains to an “in-wheel working system.” This invention includes a configuration that permits for a gearshift mechanism to be included into the rotor of a hub-mounted motor.
Though not each patented idea reaches the manufacturing stage, these patents recommend Hyundai is constant its efforts in creating in-wheel motors. The automaker has beforehand launched associated ideas, together with the e-Nook system, which mixes in-wheel motors with steering and braking elements into modular items that may be positioned at every nook of a car. This design enhances packaging flexibility and permits for wheels to rotate as much as 90 levels.
In 2023, Hyundai and Kia additionally revealed a brand new design known as the Common Drive System, or Uni Wheel, which positions motors nearer to the wheels with out putting them inside.
Different automotive producers, resembling Ferrari and Toyota, have additionally patented in-wheel motor designs. Notably, China’s Dongfeng claims to be the primary to make the most of in-wheel motors in a manufacturing passenger car, whereas the Lordstown Endurance pickup truck initially featured in-wheel motors earlier than dealing with manufacturing challenges. Moreover, the Aptera three-wheeler plans to include in-wheel motors, although it is going to be labeled as an autocycle slightly than a standard automotive.
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