An electromechanical power steering unit for a motor vehicle includes an integral component having a torque sensor unit, which detects the rotation of the upper steering shaft relative to the lower steering shaft. The torque sensor unit includes a ring magnet rotationally fixed to the upper steering shaft and a magnetic flux guide connected to the lower steering shaft. A magnet sensor detects the rotation of the shaft connected to the ring magnet with respect to the lower shaft connected to the magnetic flux guide and the ring magnet is carried by a ring magnet sleeve, which sits on the upper steering shaft and is made from a thermoplastic material and is molded by means of ultrasound forming in the upper steering shaft in one region for mounting on the upper steering shaft.
METHOD FOR MOUNTING OF AN INTEGRAL STRUCTURAL UNIT IN AN ELECTROMECHANICAL MOTOR VEHICLE STEERING SYSTEM HAVING A TORQUE SENSOR UNIT AND A STEERING ANGLE SENSOR UNIT BY MEANS OF ULTRASONIC WELDING
2021-03-25
Patent
Electronic Resource
English
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