Ford patents strong axle with hub motors for EVs

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Ford patents strong axle with hub motors for EVs

Ford has filed a patent software for strong axles with built-in hub motors, hinting at a really completely different sort of EV powertrain from the Blue Oval.

As a substitute of permitting wheels to maneuver up and down individually, as in unbiased suspension methods, strong axles pivot when shifting over uneven surfaces. Which means they have been primarily relegated to pickup vehicles, however Ford’s patent software, filed with america Patent and Trademark Workplace (USPTO) Feb. 9, reveals how they may stick round within the EV period.

Ford patent image showing a solid axle with EV hub motors

Ford patent picture exhibiting a strong axle with EV hub motors

The doc particulars including hub-motor assemblies to a strong axle, with one meeting per wheel to allow all-wheel drive. In distinction to the inboard-mounted motors in most present EVs, these assemblies transfer the motors out to the wheel hubs, theoretically releasing up more room inside the car’s footprint.

Hub motors aren’t a brand new concept. Slovenian firm Elaphe is supplying them for a few of the most eagerly anticipated super-efficiency autos—together with the Aptera three-wheeler and the solar-assisted Lightyear 0. Earlier this 12 months, Elaphe additionally introduced a partnership with McLaren to incorporate the latter’s racing tech into future hub-motor powertrains.

Ford patent image showing a solid axle with EV hub motors

Ford patent picture exhibiting a strong axle with EV hub motors

Nevertheless, Ford beforehand nixed in-wheel motors for the F-150 Lightning, owing to considerations that the motors could be extra uncovered to wreck than in a traditional inboard positioning, and would possibly intervene with the friction brakes, which even an electrical truck makes use of ceaselessly when towing. The hub design additionally will increase unsprung mass, making tuning for trip high quality and dealing with harder.

Regardless of these potential points, Lordstown Motors selected Elaphe-licensed hub motors for its Endurance pickup truck, which lastly began transport in late 2022 after a number of delays. The Endurance is aimed extra narrowly at industrial fleets than the Lightning, which Ford is pitching to each industrial and retail clients. However this patent purposes hints that Ford is open to making an attempt the same motor setup on future EVs.

Supply By https://www.motorauthority.com/information/1138753_ford-solid-axle-with-hub-motors-ev-patent