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Rivian is creating software program that will permit its EVs to be free-wheel towed, in accordance with a patent submitting.
Free-wheel towing is when a automotive is towed behind one other automobile with all 4 wheels on the bottom. It is a widespread observe for RV house owners, who usually tow vehicles behind their motorhomes so that they have a approach to get round once they attain their vacation spot.
Within the patent software in query, which was revealed by the USA Patent and Trademark Workplace (USPTO) on Feb. 13 (however filed on Might 12, 2021), Rivian proposes including a software program mode for free-wheel towing to its electrical pickup vehicles and SUVs, alongside the assorted drive modes and different software-enabled options already accessible.
Free-wheel towing mode would disconnect the motor or motors that usually energy the rear wheels, however preserve the front-axle motor or motors engaged. Torque would nonetheless be utilized to the entrance wheels to maintain the automobile from rolling out of sync with the tow automobile. Software program would use a automobile’s current sensors to measure wheel pace and gradient, making use of torque when mandatory and slicing it off at a predetermined threshold.
Rivian free-wheel towing patent picture
It is unclear if Rivian will add this characteristic to manufacturing EVs, however it will not have to attend for a refresh or redesign to do it. Like Tesla, Rivian provides new options through over-the-air (OTA) software program updates, such because the Snow mode that joined different drive modes on the R1T and R1S in 2022, or Camp mode, designed to robotically stage autos at campsites.
Rivian’s subsequent manufacturing mannequin, the R2, is scheduled to debut on March 7. It is an electrical SUV that is anticipated to be smaller and cheaper than the R1S, however will not enter manufacturing till 2026.
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