JTEKT. has filed a patent for a method of magnetic braking in a vehicle steering system to aid driver installation and protect mechanical stops. The system includes a force feedback module with an electric motor for braking when not powered, enhancing safety and convenience. GlobalData’s report on JTEKT 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 JTEKT, Crankshaft ball bearings was a key innovation area identified from patents. JTEKT's grant share as of January 2024 was 32%. Grant share is based on the ratio of number of grants to total number of patents.

Magnetic braking method for steering column in vehicle

Source: United States Patent and Trademark Office (USPTO). Credit: JTEKT Corp

The patent application (Publication Number: US20240039432A1) describes a method for magnetic braking of a steering column in a vehicle's steering system. The purpose of this method is to aid in the installation and removal of the driver in the vehicle while also protecting the mechanical stops on the steering column. The system includes a steering column connected to a steering wheel, mechanical angular stops on either side of the column, and a force feedback module with an electric motor, reducer, and torque/angle sensor. The method involves applying magnetic braking to the steering column through the electric motor of the force feedback module when the motor is not powered.

Furthermore, the patent application details different aspects of the magnetic braking method, such as the use of a switching device within the electric motor to enable the braking, creating a short-circuit in the motor for braking, and the inclusion of electromechanical or static relays in the switching device. The electric motor of the force feedback module is connected to the steering column via a reducer and is equipped with permanent magnets of the synchronous or direct current type. These features work together to provide a reliable and efficient magnetic braking system for the steering column, enhancing the overall safety and ease of use for drivers entering and exiting the vehicle.

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