Tesla patents fan system to boost downforce, hinting at Roadster

Tesla has been granted a patent for a fan system that lowers air pressure under the vehicle to increase downforce while reducing drag. The filing, made January 17, 2024, describes four battery-powered fans and a rear diffuser. Tesla's Roadster event was delayed to October 15.

• Patent shows four electric fans with vertical strakes between them
• Air enters under the floor and exits through a larger rear diffuser outlet
• Fans generate downforce independent of vehicle speed, aiding slow corners
• Application filed January 17, 2024, after a provisional filing in January 2023