Abstract: A helical gear transmission for an electromechanical servo steering mechanism may include a shaft that meshes with a helical gear. The shaft may be arranged in a transmission housing and, at its first end, may be mounted in a drive-side bearing arrangement so as to be rotatable about an axis of rotation. At its second end, the shaft may be mounted in a drive-remote bearing arrangement in the transmission housing. The drive-side bearing arrangement may have a rolling bearing, an outer ring of which is spherical. The rolling bearing may be enclosed by two bearing shells. The outer side of the outer ring may have two flat points that are opposite one another and form a pivot axis about which the shaft is pivotable in a direction of the helical gear.

Abstract: An electromechanical power steering system may include an electric servomotor that has a motor shaft and drives a shaft that meshes with a helical gear. The shaft is disposed in a gearbox housing and rotatably mounted in a bearing assembly. A pretensioning installation, for adjusting engagement between the helical gear and the shaft, resiliently pretensions a movable bearing element of the bearing assembly relative to the gearbox housing. The gearbox housing has a housing portion having first and second contact faces, the normals of which do not intersect. The bearing assembly has a bearing support that forms the movable bearing element and has a lever arm having a free end that extends from a main body of the bearing support and on the gearbox housing lies against the second contact face. The main body has an eccentric cam that on the housing lies against the first contact face.

Abstract: A steering column may include a casing unit in which a steering spindle is mounted rotatably about a longitudinal axis extending in a longitudinal direction, and casing tubes that are adjustable telescopically relative to one another in the longitudinal direction. A roller guide with at least one bearing support can be displaced radially on a first of the casing tubes, and in which at least one roller is mounted rotatably about a roller axis that is transverse to the longitudinal axis. The roller can roll via its outer circumference in the longitudinal direction on a second of the casing tubes. A pretensioning device interacts with the bearing support to pretension the roller against the second casing tube. The bearing support may be guided on the first casing tube with an oblique inclination relative to the longitudinal axis, and the pretensioning device may apply an axial force to the bearing support.

Abstract: A steering column includes an outer jacket that is adjustably secured to a carrier unit and clamped to a telescopically adjustable inner jacket. The outer jacket has a tubular body with a clamping slot extending longitudinally. Opposing side plates disposed alongside the clamping slot extend longitudinally. The side plates are connected to the tubular body and each have a longitudinally-extending elongated hole spaced apart from the tubular body in an outer region that protrudes from the tubular body. A clamping bolt extends through the elongated holes and an opening of the carrier unit. The clamping bolt applies a clamping force to load the side plates. An inner region of each side plate is fixed to the tubular body. A support element is connected to each side plate between the elongated hole and the inner region and is connected to the tubular body in an edge region of the clamping slot.

Abstract: The present disclosure relates to a steering column for a motor vehicle, including an actuating unit. In order to render possible reduced friction and more flexible adaptation, the disclosure proposes that a stop body include a stop lever, which is mounted on the supporting unit rotatably about a lever axis (H) relative to the clamping shaft.

Abstract: The disclosure includes a Steering column for a motor vehicle including at least two structural elements configured to be adjusted relative to each other and a linear adjustment drive configured to be adjusted in an adjustment direction in a motorised manner along an adjustment axis (S) configured to engage one of the at least two structural elements, and wherein an energy absorption device comprising an energy absorption element is arranged between the linear adjustment drive and at least one of the at least two structural elements. The energy absorption element includes an inner portion coaxial relative to the adjustment axis (S) and connected by an at least partially coaxially extending shaping portion in a sleeve-like manner to an outer portion of the energy absorption element which is arranged coaxially at the outer side thereof.

Abstract: An electromechanical steering system may include a reduction gearbox where a worm gear is mounted in first and second bearings rotatably about a longitudinal axis. Rolling elements are disposed between inner and outer rings of the bearings. The inner rings are rotationally fixed on a shaft driven by the worm gear. A spring element is disposed between the inner ring of the second bearing and the worm gear. The spring element has an at least partially annular main body that when installed extends coaxially with the longitudinal axis. Spring arms in a circumferential direction are spaced apart from the longitudinal axis emanating from an external circumferential side of the main body. A first spring arm has a first leg that points away from the longitudinal axis and a second leg on which a free end is disposed, with the second leg running at least partially parallel to the longitudinal axis.

Abstract: A steering column for a motor vehicle comprises an actuating unit. A steering spindle is mounted rotatably about a longitudinal axis extending in the longitudinal direction. A supporting unit is connectable to a motor vehicle body and in which the actuating unit is held so as to be displaceable in the longitudinal direction. An energy absorption device, which is incorporated between the supporting unit and the actuating unit, has an elongate energy absorption element fastened to the actuating unit or to the supporting unit via a fastening. A deformation member, which interacts with the energy absorption element, is attached to the supporting unit or to the actuating unit. In the event of a crash with a relative displacement of actuating unit and supporting unit, the deformation member brings about an energy-absorbing plastic deformation of the energy absorption element.

Abstract: A steering column for a motor vehicle including a first component, a second component, wherein the first component and the second component are adjustable relative to one another in two non-parallel adjustment directions. A position detection device having a sensor connected to the first component including at least one sensor unit and a sensor target connected to the second component comprising at least one target unit, wherein the sensor is configured to detect relative position of the sensor target, wherein the target unit includes a measurement portion extending in the two adjustment directions which has a local measuring quantity varying in each of the two adjustment directions that can be detected locally by the sensor unit.

Abstract: An electromechanical steering system includes a steering shaft by means of which a steering command can be specified by means of a steering handling device, a steering gear, which is designed to convert a steering command into a steering movement of steerable wheels of a motor vehicle, taking into account at least one input variable. A magnetic torque sensor device measures a torque applied to the steering shaft. The torque sensor device comprises a sensor for detecting an uncompensated measurement signal (T). The torque sensor device comprises a computing unit, which is designed to provide a first parameter and a second parameter for compensation of the uncompensated measurement signal (T) and to calculate a compensated measurement signal (T*) based on the uncompensated measurement signal (T) and the two parameters and to provide this compensated measurement signal (T) as the at least one input variable.

Abstract: A method may produce an axially movable connection between two components with a plastic as a sliding material arranged therebetween. The method may involve providing the two components and either at least one of the two components has a plastic coating or a plastic sleeve is provided between the components, joining the two components to form a unit via a pressing force in an axial direction, clamping the unit in a device in which the two components are clampable and subjectable to a displacement force in the axial direction, pressing a sonotrode against an outer of the two components and bracing the outer component against a counter-holder, injecting an ultrasound signal into the sonotrode and moving the two components back and forth in the axial direction until a displacement force or a displacement velocity reaches a target, and ending the ultrasound signal and removing the unit from the device.

Abstract: A method of operating a steer-by-wire steering system of a motor vehicle to convert a steering command into a steering movement of steerable wheels of a motor vehicle is disclosed. The method includes sending a control signal to an electric motor of a steering actuator and converting the received control signal into a mechanical movement of the steering actuator by the electric motor, wherein the steering actuator acts on a coupling element, and wherein the electric motor is operated in a generator mode.

Abstract: A method can be used to adapt a steering torque for controlling a feedback actuator of a steer-by-wire motor vehicle steering system. The method may involve providing a basic steering torque, providing a rack-force-based steering torque, determining a difference between the basic steering torque and the rack-force-based steering torque, and if the difference exceeds a predetermined limit value adapting the basic steering torque to the rack-force-based steering torque and transmitting a resulting steering torque to control the feedback actuator. However, if the difference remains below the predetermined limit value, then the method may involve transmitting the basic steering torque to control the feedback actuator.

Abstract: An adjustment drive for a steering column for a motor vehicle may include a housing that is able to be connected to the steering column, in which a gear wheel that is able to be rotatingly driven by a motor is mounted in a bearing assembly so as to be rotatable about a spindle axis, and on which a threaded spindle that engages in a spindle nut is axially supported in a direction of the spindle axis. To enable less complexity in manufacturing and assembling, an energy absorbing installation is disposed between the threaded spindle and the housing. When repositioning the threaded spindle relative to the housing in the direction of the spindle axis, the energy absorbing installation is configured to absorb kinetic energy.

Abstract: A steering column for a motor vehicle comprises a covering unit. A steering spindle is rotatably supported about a longitudinal axis which extends in a longitudinal direction. At least three covering elements can be displaced in a telescope-like manner in a longitudinal direction and which comprise at least one internal covering, an external covering and an intermediate element. A motorised displacement drive includes a first spindle drive arranged between the internal covering and the intermediate element and a second spindle drive arranged between the intermediate element and the external covering engages with the covering elements. The first spindle drive has a first threaded spindle which engages a first spindle nut and is selectively driven in rotation relative thereto by a drive unit. The second spindle drive has a second threaded spindle which engages a second spindle nut that can be driven in rotation relative thereto by the drive unit.

Abstract: Methods for controlling a steer-by-wire steering system including a steering actuator controlled via a steering request and brings about movement of a steering rack to steer vehicle wheels. A feedback actuator transmits reactions of the road to a steering wheel via an aligning torque. A setpoint position of the steering rack is determined in a signal processing unit based on a steering wheel steering angle. The setpoint position is transmitted with an actual position of the steering rack or with a measured wheel steering angle as an actual value to a control unit which calculates a setpoint torque of an electric motor of the steering actuator. The method includes monitoring the power of the motor required to reach the determined setpoint position. When the required power exceeds the maximum power of the motor the motor is operated at maximum power torque present at the steering wheel is increased.

Abstract: The present invention relates to a bearing cup set for a steering column comprising a bearing cup and a securing element, wherein the bearing cup has a bearing cup portion for the at least partial receiving of a rolling bearing and a holding portion extending radially outwards starting from the bearing cup portion. The bearing cup portion has a first opening side with a collar extending radially inwards and a second opening side. The securing element is connected to the bearing cup in such a manner that the securing element fixes a rolling bearing received by the bearing cup portion in the axial direction in respect of the bearing cup. A steering column comprises a jacket tube in which a steering shaft is received by the rolling bearing so as to be rotatable. The rolling bearing is arranged in the bearing cup portion of the bearing cup.

Abstract: A feedback actuator for a steering device of a motor vehicle may include a steering shaft that is mounted so as to be rotatable about a longitudinal axis extending in a longitudinal direction and that, by way of a belt drive, is coupled to a motor shaft of an electric motor so as to be able to be rotatably driven. The belt drive may have at least one pair of belt pulleys having two belt pulleys that are wrapped by a belt. One of the belt pulleys may be operatively connected to the motor shaft and one may be operatively connected to the steering shaft. The two belt pulleys of the pair of belt pulleys may be disposed so as to be mutually coaxial or at a mutual angle.

Abstract: A steering column for a motor vehicle may include a casing unit in which a steering spindle is mounted so as to be rotatable about a longitudinal axis extending in a length direction. The casing unit may have at least two casings that are adjustably guided relative to one another through a range of adjustment travel in the length direction. Part of the adjustment travel may correspond to a transitional portion, and part of the adjustment travel may correspond to a functional portion. The casings may be guided with a greater play in the transitional portion than in the functional portion. One casing may have a guide track and another casing may have a guide element that engages in the guide track and is guided in the length direction and has a guide play in the guide track that is greater in the transitional portion than in the functional portion.

Abstract: An adjustment drive for a steering column of a motor vehicle may include a threaded spindle having an external thread, engaging with a corresponding internal thread of a spindle nut. A thread tooth of the external thread and a thread groove of the internal thread have corresponding axially sliding thread flanks that are braced against each other. At least one thread flank comprises at least one recessed lubricant uptake.