Ford Innovates with Patented Deployable Roof Rails and Racks to Enhance Aerodynamic Efficiency and Extend EV Range

Ford is pursuing a patent for roof rails and racks designed to retract when unused, aiming to decrease aerodynamic resistance and possibly enhance fuel efficiency or electric vehicle range.

Ford's proposed enhancements for aerodynamics were outlined in distinct patent filings, which were made public by the United States Patent and Trademark Office (USPTO) on July 11, 2024, after being submitted by Ford on prior occasions.

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Image of Ford's patented retractable roof rail

A patent has been filed for retractable roof rails that would emerge from grooves on a vehicle’s roof via hinges, functioning as attachment points for cargo holders and various add-ons similar to the permanent roof rails commonly found on numerous SUVs.

A different patent application describes a retractable roof rack designed specifically for pickup trucks. This roof rack is cleverly stored behind the cab's rear wall, at the beginning of the truck's bed, and swings up to the roof when required.

Image of Ford's patent for a retractable roof

Automobile manufacturers often patent technologies that they do not bring to market, and Ford is not unique in its pursuit of enhanced aerodynamic efficiency. Hyundai has developed a retractable air skirt for electric vehicles that extends in front of the front tires to minimize air resistance. The company asserts that this innovation could enhance the aerodynamics of SUVs, a benefit that Ford's retractable roof rails might also offer.

The quest to extend the driving distance of electric vehicles has reignited a focus on aerodynamics, a fascination that dates back almost 100 years. This has led to the design of sleek models like the Hyundai Ioniq 6 and Volkswagen ID.7. Additionally, the Mercedes-Benz Vision EQXX concept demonstrates that prioritizing aerodynamics and reducing vehicle weight can significantly enhance the efficiency of electric vehicles.

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