Schaeffler has been granted a patent for a method to control a motor vehicle during malfunctions. The method involves generating torque to steer wheels on a steerable axle and induce longitudinal movement in the event of a malfunction in one of the wheel drives. GlobalData’s report on Schaeffler gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Schaeffler, Crankshaft ball bearings was a key innovation area identified from patents. Schaeffler's grant share as of January 2024 was 31%. Grant share is based on the ratio of number of grants to total number of patents.
Method for controlling motor vehicle steering during malfunction
A recently granted patent (Publication Number: US11884346B2) discloses a method for controlling a motor vehicle with multiple wheels, some of which are on a steerable axle and driven by individual wheel drives. In the event of a malfunction in one of the wheel drives on the steerable axle, the method involves generating torque with the functional wheel drive to steer the axle in a predetermined direction. Additionally, torque is generated with the wheel drive on the non-steerable axle to partially influence the vehicle's longitudinal movement. The patent also includes provisions for generating a yaw moment on the vehicle to enhance control and stability.
Furthermore, the patent details the activation of a controllable braking device to prevent further steering movement once the wheels on the steerable axle have been directed as intended. This braking device can block or apply variable braking force to the steering movement, ensuring precise control. The method also involves generating torque with the fully functional wheel drive on the steerable axle after the braking device is activated to facilitate the predetermined longitudinal movement of the vehicle. The patent extends to a motor vehicle equipped with the described control system, highlighting its practical application in enhancing vehicle maneuverability and safety.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
