Abstract: The disclosure relates to a vibration damper for a vehicle, comprising an outer tube and an inner tube which is arranged coaxially relative thereto, wherein between the outer tube and the inner tube a compensation chamber for receiving hydraulic fluid is formed, and a working piston which is connected to a piston rod and which is arranged so as to be able to be moved back and forth within the inner tube, wherein the inner space of the inner tube is divided by the working piston into a first working chamber and a second working chamber, wherein in the compensation chamber there is arranged a calming element which is fitted so as to be able to be moved in an axial direction inside the compensation chamber.

Abstract: A steering shaft may include an inner shaft at least partially within an outer shaft where the inner shaft includes a sliding element with an outer profile portion. The outer shaft may be displaced relative to the inner shaft axially in a direction of a longitudinal axis between a storage position and an operating position. A steering column may include an inner covering pipe in which such a steering shaft is rotatably supported and an outer covering unit in which the inner covering pipe is retained. The outer shaft may have a bearing means having an inner profile portion that corresponds to the outer profile portion. In the storage position the outer profile portion is at least partially received in the bearing means.

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: A motor vehicle control device may have a switch-on and switch-off function for at least one electrical load to be controlled by the motor vehicle control device. The motor vehicle control device may include an electronic switching element for arrangement in a supply voltage path of the electrical load and a control unit for controlling the electronic switching element. The control unit is designed to provide a control signal for switching the electronic switching element based on at least one input signal. The control unit may include a resistor connected to the supply voltage path and a current control means connected in series therewith for generating a predefinable voltage difference at the resistor as the control signal for the electronic switching element.

Abstract: The present disclosure relates to a vibration damper for a vehicle comprising: an external tube and an internal tube which is arranged coaxially relative thereto, wherein a compensation chamber for receiving hydraulic fluid is formed between the external tube and the internal tube, and a working piston which is connected to a piston rod and which is arranged so as to be movable back and forth inside the internal tube, wherein the internal space of the internal tube is subdivided by the working piston into a first working chamber and a second working chamber, a central tube which is arranged inside the compensation chamber and which is attached to the internal tube, wherein the central tube has a tubular element and a helical element which is connected to the tubular element.

Abstract: The present disclosure relates to a processing station and to a method for connecting a first component to a second component in a processing station, wherein a workpiece holder is moved into a geometry clamping station of the processing station, wherein a clamping jig of the processing station in a first movement, and the workpiece holder moved into the geometry clamping station in a second movement, are simultaneously moved in each case from a preliminary position (PS1, PW1) to a connecting position (P2) in which the first component is connected to the second component.

Abstract: A sliding cam system for an internal combustion engine includes an adjusting element that has at least three coupling pins. A first coupling pin is arranged in the region of the primary sliding cam element and a second coupling pin is arranged in the region of the first secondary sliding cam element and a third coupling pin is arranged in the region of the second secondary sliding cam element. The coupling pins each cooperate with a shifting gate of the respectively associated sliding cam element such that a movement of a primary sliding cam element initiated by the actuator pin is transmissible to secondary sliding cam elements by the adjusting element. The sliding cam system is designed such that a shifting operation of the first secondary sliding cam element takes place at least partially at the same time as the shifting operation of the second secondary sliding cam element.

Abstract: The present disclosure relates to an electrically adjustable steering column for a motor vehicle, comprising a positioning unit on which a steering control element can be arranged, a support unit by which the positioning unit is held in an adjustable manner, an adjustment device which is configured to adjust the positioning unit relative to the support unit and which comprises, for the adjustment of the positioning unit, an electric motor. The steering column further has a control unit, wherein the control unit is configured to activate the electric motor. The control unit is further configured, for the activation of the electric motor, to generate a first signal and a second signal, wherein the activation of the electric motor requires the presence of the first signal and of the second signal, in particular at a first switch unit and a second switch unit of the control unit which are connected in series with the electric motor.

Abstract: The present disclosure relates to an adjustable steering column for a motor vehicle, comprising a support unit by which a positioning unit is adjustably held, and an adjustment device which is designed to adjust the positioning unit relative to the support unit. Associated with the steering column is a control unit which is designed to receive a signal, to evaluate the signal in terms of a predefined release condition, and to produce a release state of the steering column when the signal meets the release condition, and to produce a locked state of the steering column when the signal does not meet the release condition. Adjustment of the positioning unit is thus enabled exclusively in the release state.

Abstract: The present disclosure relates to a method for operating an operating system (1.1, 1.2, 1.3) of a motor vehicle, in which a control command (M1) for controlling the motor vehicle is specified via a control element (3.1, 3.2, 3.3), the control command (M1) specified via the control element (3.1, 3.2, 3.3) is sensorially acquired and passed on from an electronic control unit (4) to an electromechanical actuator unit (5.1, 5.2, 5.3) as a control signal, wherein the actuator unit (5.1, 5.2, 5.3) implements the control command (M1) according to the control signal. The operating system (1.1, 1.2, 1.3) is monitored here for an occurrence of a deviation from a target behaviour of the actuator unit (5.1, 5.2, 5.3), wherein tactile feedback is applied to the control element (3.1, 3.2, 3.3) if a deviation is detected.

Abstract: The present disclosure relates to a process for feeding firing units of a steam reformer with a second fuel gas and a first flue gas, wherein the first flue gas is generated in an external combustion chamber arranged outside the steam reformer and upstream of the steam reformer by combustion of a first fuel gas with air and, together with the second fuel gas, introduced into the firing units of the steam reformer for firing, wherein the first flue gas has a residual oxygen content sufficient for the firing. The disclosure also relates to a steam reforming plant for performing such a process.

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 method for increasing load capacity of a surface-hardened rolling bearing raceway of a rolling bearing ring element may involve providing a rolling bearing ring element with an unhardened core region and, at least in certain portions, an outer layer hardened to a surface hardening depth. A rolling bearing raceway may be formed in a region of the hardened outer layer. The method may further involve hard rolling the rolling bearing raceway with a roll. The diameter of the roll is 8 to 25 times the surface hardening depth. A surface pressure prevailing in a rolling contact between the roll and the rolling bearing raceway during the hard rolling is between 2000 MPa and 3300 MPa. The method further involves machining the rolling bearing raceway after the hard rolling.

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: 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: The present invention relates to a piston-cylinder assembly for a radial piston compressor. The piston-cylinder assembly comprises a drive shaft with a cylindrical eccentric for guiding the movement of the piston to a top dead center position. A cylindrical piston guide ring guides the movement of the piston to a bottom dead center. Both the cylindrical eccentric and the piston guide ring are connected to the piston by means of respective concave/convex contact surfaces for the positive transmission of the forces.

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 present disclosure relates to an application apparatus for applying a sealing profile to a body component, including a roller head which is configured to, as a first station step, apply the sealing profile to a receiving surface of the body component, and comprising a drilling unit having a drill bit, wherein the drilling unit is configured to, as further station step, drill holes into the sealing profile by means of the drill bit.

Abstract: The present disclosure relates to an application apparatus for applying a sealing profile to a bodywork part, comprising a roller head, which is designed to apply the sealing profile to a receiving surface of the bodywork part, and at least one further functional unit for performing a further station step, wherein the at least one further functional unit is respectively designed as a functional module from a set of functional modules.