Abstract: A steering column includes an adjusting unit that is fixedly clampable releasably to a supporting unit and in which a steering spindle is mounted rotatably about a longitudinal axis, a clamping device with a release position and a fixing position for locking the adjusting unit to the supporting unit, a clamping bolt arranged along a clamping axis and guided transversely with respect to the longitudinal axis through an elongated hole in the supporting unit extending in an adjustment direction and in which the clamping bolt in the release position is movable. A fixing element on the clamping bolt can be braced by the clamping device in the direction of the clamping axis against the supporting unit. A guide device may have guide elements on the fixing element and on the supporting unit that are spaced apart from the elongated hole, the fixing element being guided in the guide elements in a translational manner relative to the supporting unit.

Abstract: A feedback actuator for a steering device of a motor vehicle may include a casing unit that has an outer casing that can be attached to a motor vehicle and an inner casing received therein such that the inner casing is telescopically adjustable in a longitudinal direction, a steering spindle mounted in the inner casing such that the steering spindle is rotatable about a longitudinal axis, and an electric motor of a drive unit arranged in an interior space of the casing unit. The electric motor may have a stator that is fixed on the outer casing and a rotor that can be driven rotationally. A rotor shaft may be coaxial with respect to the longitudinal axis and coupled via a gear mechanism to the steering spindle.

Abstract: A steering actuator for a steering system for a motor vehicle may include an actuator rod that can be displaced in translation in a longitudinal direction thereof and a position sensor apparatus that is constructed to detect a linear position of the actuator rod. In order to enable less complex production and a higher level of operational reliability, the position sensor apparatus may include a rotation sensor that has a sensor shaft that can be rotated about an axis and that has a running wheel that can roll on a corresponding linear track of the actuator rod to convert a translational movement of the actuator rod into a rotation of the sensor shaft.

Abstract: A steer-by-wire steering system for a motor vehicle may include a steering column having a support unit and a steering shaft rotatably mounted in the steering column, a steering handle disposed in a rotationally fixed manner on the steering shaft, and a feedback actuator that is configured to apply a torque to the steering shaft. The feedback actuator here may be disposed outside the support unit, as a result of which installation space is available in the region of the steering column. The feedback actuator of the steer-by-wire steering system may in some cases be disposed on a bulkhead of a motor vehicle body.

Abstract: A steering column that is adjustable by a motor may include a supporting unit that is attachable to a vehicle body, an actuating unit held by the supporting unit, a steering spindle mounted in the actuating unit rotatably about a longitudinal axis, an adjusting drive for adjusting the actuating unit relative to the supporting unit via a threaded spindle and spindle nut, and a drive unit by which the threaded spindle can be driven rotationally relative to the spindle nut. To improve compactness and greater structural freedom, the drive unit may be connected via a flexible drive connection to a gear unit that can be moved spatially relative to the drive unit.

Abstract: A steering column may include a casing pipe disposed longitudinally movably in a casing unit, a steering spindle rotatably supported about a longitudinal axis in the casing pipe, and a clamping device configurable in a fixing position for securing the casing unit relative to the casing pipe. The clamping device may have an engagement element supported on the casing pipe, having an upper side parallel to the longitudinal axis, and having lateral edge sides. The clamping device may have a locking element supported in the longitudinal direction on the casing unit and that can be moved to adjust the fixing position in a normal direction of the upper side against the engagement element. Positive-locking elements on the locking and engagement elements are engageable to produce a positive-locking connection in the longitudinal direction, at least some of which are disposed on an edge side of the engagement element.

Abstract: A bearing arrangement may be used to mount a worm shaft meshing with a worm wheel in a housing of an electromechanical power steering system. The bearing arrangement comprises a first rotary bearing, a second rotary bearing, and a pivoting ring. The first rotary bearing is configured to permit a pivoting movement of the worm shaft. The pivoting ring comprises a first pivoting ring component and a second pivoting ring component and is configured to act resiliently between the second rotary bearing and the housing. The second rotary bearing is at least partially arranged between the first pivoting ring component and the second pivoting ring component. The first pivoting ring component has two first points, with respect to which the first pivoting ring component is configured resiliently. The second pivoting ring component has two second points, with respect to which the second pivoting ring component is configured resiliently.

Abstract: A steer-by-wire steering system for a motor vehicle with a steerable front wheel axle that has two steerable wheels. The front wheel axle includes a single wheel drive which, by means of a drive controller, individually drives wheel drives which are associated with the steerable wheels. The drive controller has a controller which determines a target speed for the left-hand wheel and a target speed for the right-hand wheel in accordance with an accelerator pedal angle and a rotational angle of a steering shaft, and which limits the target speeds to a slip-limited speed. The drive controller individually drives the wheel drives in such a way that the difference between the target speed and the actual speed for each steerable wheel is minimal.

Abstract: A steering shaft for a motor vehicle may include a hollow outer shaft and an inner shaft. The hollow outer shaft may receive the inner shaft in a torque-transmitting manner and in an axially displaceable manner. An elastic boot may be connected to the inner shaft or the outer shaft. The steering shaft is protected against ingress of dirt and moisture and at the same time has a homogeneous displacement force and can be adjusted with low noise. The boot may be arranged at least partially within the steering shaft and may have a free end with a closed configuration.

Abstract: A worm gear for an electromechanical power steering system of a motor vehicle, includes a worm shaft that meshes with a worm wheel. The worm wheel and the worm shaft are arranged together in a gear housing. An eccentric lever and a bimetallic spring that is operatively connected to the eccentric lever are configured to compensate for a temperature-related play in the engagement between the worm wheel and the worm shaft.

Abstract: A steering column for a motor vehicle may comprise a guide box in which a steering spindle is mounted so as to be rotatable about a longitudinal axis and which guide box is adjustably held by a support unit that is able to be connected to the body of the motor vehicle, a pivot bearing in which the guide box in a front region is mounted so as to be pivotable about a pivot axis that lies horizontally so as to be transverse to the longitudinal axis, and an actuation lever that is mounted in a first lever bearing in a rear region of the guide box and in a second lever bearing of the support unit. To increase stiffness and resonance frequency, the pivot bearing may be mounted so as to be displaceable transversely to the pivot axis in a displacement plane parallel to the longitudinal axis.

Abstract: A method for controlling a steer-by-wire steering system for motor vehicles includes a steering actuator that acts on the steered wheels and is electronically controlled in accordance with a steering request. A feedback actuator transmits reactions of the road to a steering wheel. A control unit controls the feedback actuator. The method includes determining a basic motor torque; providing at least one steering function which is part of a first subgroup of steering functions; limiting the output value of the at least one steering function to reach a predefined safety level in a first limiter; adapting the basic motor torque by means of the limited output value of the at least one steering function in a summing element; and actuating the feedback actuator with the resulting motor torque which is output by the summing element.

Abstract: A motor electric control unit (ECU) for an electromechanical power steering mechanism, which controls current through an electric assist motor in response to sensed vehicle signals, wherein the ECU comprises an application specific integrated circuit (ASIC) design, that implements safety and platform features in hardware.

Abstract: A length-adjustable steering shaft may include a metallic hollow shaft with an opening in which a metallic inner shaft is accommodated rotatably-fixedly and in an axially movable manner. The steering shaft may also include a pull-out retention means with an outer stop that protrudes into an opening of the hollow shaft and an inner stop that protrudes outward from the inner shaft. The inner and outer stops may be formed from the metallic material of the hollow shaft or the inner shaft and may comprise stop surfaces that are directed toward each other in an axial direction. A layer of non-metallic material may be applied to at least one of the inner stop or the outer stop at least partially in a region of the stop surface.

Abstract: A steering column may include a casing unit that can be connected to a body of a motor vehicle. A steering spindle may be rotatably mounted in the casing unit about a longitudinal axis. The casing unit may have an inner casing that is received in an outer casing so as to be telescopically adjustable in a direction of the longitudinal axis. A clamping device may be switchable between a fixing position in which it fixes the inner casing relative to the outer casing and a release position in which it allows telescopic adjustment of the inner casing relative to the outer casing. An energy absorption device may include a deformation element arranged between the inner casing and the outer casing. The casing unit may comprise a cable mounting that includes a fastening element for holding a cable and that is at least partly formed as a deformation element.

Abstract: A method for determining a wheel radius of a motor vehicle, including calculating a yaw rate of the motor vehicle by means of a wheel speed of at least one wheel and a predefined wheel radius. The calculated yaw rate is compared with a measured yaw rate. The wheel speed is adapted. The calculation of the yaw rate is input, of the at least one wheel by means of a correction factor, so that the calculated yaw rate is equal to the measured yaw rate. The correction factor and the predefined wheel radius or the wheel speed is multiplied. The calculation of the yaw rate is input, for the determination of a corrected wheel radius or of a corrected wheel speed.

Abstract: A steering system for motor vehicles, including a steering actuator which acts on the steered wheels, is electronically controlled based on a steering request and acts on the steered wheels via a steering gear, and an actuator device which transmits reactions to a steering shaft connected to the steering wheel. The steer-by-wire steering system has a holding brake which can be activated electrically and has two positions; a holding position and an open position. The holding brake is configured to block rotation of the steering shaft in the holding position when a predefined rotational angle of the steering shaft is exceeded, and to release rotation of the steering shaft in the open position.

Abstract: An adjustment drive for a motor-adjustable steering column for a motor vehicle, includes a spindle drive having a threaded spindle which engages in a spindle nut which, so as to be able to be driven in a rotating manner about the spindle axis relative to the threaded spindle, is coupled to the rotor shaft of a drive motor which has a rotor and a stator. In order to enable a compact design with minor complexity, the rotor shaft of the drive motor is configured as a hollow shaft which is disposed so as to be coaxial with the spindle axis and in which the threaded spindle is coaxially disposed.

Abstract: An adjusting drive for a steering column for a motor vehicle may include a threaded spindle that by way of an external thread engages in a spindle nut. The adjusting drive may also include a drive motor that is coupled to the threaded spindle or the spindle nut such that driving at least one of the threaded spindle or the spindle nut with the drive motor causes the threaded spindle and the spindle nut to rotate relative to one another. To reduce production complexity and improve functionality, the threaded spindle may have a core element that at least in portions is coaxially surrounded in a fixed manner by a threaded element that is configured from plastic and comprises the external thread.

Abstract: A plain bearing for a steering spindle of a steering column for a motor vehicle. The bearing includes an inner ring with an axially continuous bearing opening for slidably receiving the steering spindle. A prestressing element is configured to exert a prestressing force on the inner ring to clamp the inner ring on the steering spindle and thereby to assign a defined, uniform braking torque.