Abstract: The disclosure relates to an on-board electrical system for a motor vehicle having a first partial on-board electrical system which has a first on-board electrical system voltage, a second partial on-board electrical system which has a second on-board electrical system voltage, lower than the first on-board electrical system voltage, a first and a second DC/DC converter which are each arranged between the first and the second partial on-board electrical system, and an energy store arranged in the second on-board electrical system. The disclosure also relates to a method for operating such an electrical system.

Abstract: A friction washer for a limited slip differential is provided, with the friction washer including a disk body having first and second opposing surfaces. The first and second opposing surfaces define respective first and second contact planes and include recesses that extend into the disk body from the respective first and second contact planes such that only a portion of the disk body extends to the respective first and second contact plane. The recesses are defined by partial spherical or partial cylindrical surfaces. This provides improved properties for holding lubricating fluid circulated within the differential so that the hydrodynamic pressure created between the friction surfaces provides a more consistent film or boundary layer of the lubricating fluid for a more uniform coefficient of friction over various operating speeds and pressures.

Abstract: A roller bearing includes inner and outer rings, and a plurality of rolling bodies configured to roll in two rows on corresponding raceways on the inner and outer rings. At least one of the inner ring and outer ring is split radially to form at least two ring portions. The raceway in an abutment region between the at least two ring portions has a ground recess locally deepening the raceway. Each ground recess on the outer ring has an arcuate course extending transversely to the abutment region, the greatest radial depth of the ground recess lies in the abutment region, and each ground recess extends in the circumferential direction of the raceway of the outer ring over a length which is at most the circumferential distance between the contact point of a first rolling body and the contact point of a second rolling body.

Abstract: A shunt assembly for a bearing configuration is disclosed herein. The shunt assembly includes a mesh layer that provides electric contact between a first and second conductive component. The mesh layer can be secured against one of the conductive components via application of a preload, which can be achieved by a spring, O-ring, or other element.

Abstract: A stator for an electric axial flux machine, more particularly a stator for an axial flux machine designed as a prime mover for an electrically driven motor vehicle, which stator includes a stator body with a plurality of stator teeth distributed around the circumference and stator windings. At least one of the wound stator teeth is split, seen in the radial direction, into at least two stator part teeth, wherein the at least two stator part teeth are wound with a different number of turns of the stator winding.

Abstract: A rolling bearing apparatus includes a rolling bearing, a seal, first and second machine elements and a bypass apparatus. The rolling bearing includes a concentrically arranged first bearing ring and second bearing ring, and rolling elements arranged radially between the first bearing ring and the second bearing ring. The seal is arranged radially between the first bearing ring and the second bearing ring, and the second bearing ring is installed in the first machine element. The bypass apparatus forms an electrical connection between the first machine element and the second machine element. The bypass apparatus includes an electrically conductive bypass line and a holder connected to the electrically conductive bypass line in an electrically conductive manner. The holder is fastened to the second bearing ring radially between the second bearing ring and the first machine element.

Abstract: A coolant control valve is provided that includes an actuator, a rotary valve body, a valve housing, a seal housing, and a movable seal. The rotary valve body is rotatably actuated by the actuator and includes at least one fluid opening. The movable seal is arranged within an annular groove of the seal housing and is: i) sealingly engaged with the annular groove, and ii) forcibly sealingly engaged with the rotary valve body via a force generator. The force generator is arranged radially adjacently to the movable seal within the annular groove.

Abstract: A rotating assembly having a first rotating part having a first body with a radially extending outer rim portion and a second rotating part having a receiving area defined by a radially extending inner flange with an inwardly extending shoulder defined thereon. A plurality of anti-rotation encapsulation recesses located in the first body at least one of at or adjacent to the radially extending outer rim portion. Staking elements of the second rotating part formed via application of an axial load that extend into respective ones of the plurality of anti-rotation encapsulation recesses such that the staking elements enable the transmission of torque between the first and second rotating parts. An assembly method is also provided.

Abstract: A method for rotational speed build-up of an encoderlessly operated electric motor is disclosed that has a stator and a rotor that can be rotated at a rotational speed relative to said stator by changing a rotational position. The rotor is operated with electrical open-loop control in a first control step at least according to a target rotational position, and is operated with electrical closed-loop control in a subsequent second control step according to a calculated rotational position, which is dependent on the actual rotational position. The calculated rotational position is calculated as a reference rotational position in the first control step and a rotational position comparison is carried out at the beginning of the second control step at the latest, in which the target rotational position is compared with the reference rotational position and a starting rotational position is determined according to the rotational position comparison.

Abstract: A set of components for the assembly of true-pitch rolling-contact planetary transmissions, in particular for electromechanical actuators of rear axle steering systems, comprises at least one threaded spindle, a number of planet rollers which can be placed onto the threaded spindle, at least one cage is designed for guiding the planet wheels and provided as a drive element, and a plurality of different spindle nuts provided for receiving the planet wheels. The spindle nuts differ from one another in terms of the play that the planet rollers located between the threaded spindle and the spindle nut have.

Abstract: The disclosure discloses a control unit for electrohydraulic actuation of motor vehicle assemblies, having a main housing and at least one valve unit which can be inserted into the main housing. The valve unit has a metal valve housing for receiving an electrically actuable valve, a plug housing which is fastened to the valve housing and is formed from a plastics material, and a connection contact which is received in the plug housing and can be electrically connected to the valve. A clamping contact for electrically connecting the connection contact of the valve unit to an actuating electronics system is connected to the main housing. The plug housing forms a dielectric resistance between the clamping contact and the valve housing. An installation space-saving and safe control unit is rendered possible owing to the fact that the plug housing forms a dielectric resistance between the clamping contact and the valve housing.

Abstract: A vehicle ride-height adjustment device with a locking mechanism that has a simple control path and avoids the need for a separate actuator to control locking. The locking mechanism includes a locking gear coupled for rotation with a driven gear of a ride-height actuator, a locking pawl supported adjacent the driven gear for pivoting movement between a locked position engaged with a surface of the locking gear and restricting rotation thereof in at least one direction and a disengaged position spaced apart from the locking gear and permitting rotation of the driven gear. A shifting fork is coupled for rotation with the drive gear configured to move the locking pawl between engaged and disengaged positions. A torque limiter allows the shifting fork to rotate independent from the drive gear when a torque threshold is exceeded.

Abstract: The disclosure relates to a thrust rod assembly for a linear actuator of an axle steering system of a vehicle, having at least one first rod and a spindle for converting a rotational movement of a drive device into a linear movement of the thrust rod assembly. The spindle has a spindle shoulder and, at a first axial end, a first connector shoulder for connection to the first rod. Between the spindle shoulder and the first connector shoulder, the spindle has a first receiving shoulder with a securing element received fixedly thereon for conjoint rotation for providing an anti-rotation safeguard of the thrust rod assembly. The securing element is held in the axial direction between the spindle shoulder and the first rod.

Abstract: A seal arrangement includes a housing defining a cavity and having a flow channel extending through the housing to the cavity. The seal arrangement further includes a seal plate non-rotatably connected to the housing. The seal arrangement further includes a biasing element disposed in the cavity and axially aligned with the flow channel. The biasing element is configured to permit fluid to flow radially therethrough into the flow channel. The seal arrangement further includes a first seal disposed in the cavity and between the biasing element and the seal plate, and a second seal disposed in the cavity and between the biasing element and a radially extending wall of the housing. The biasing element is configured to bias the first seal against the seal plate and to bias the second seal against the radially extending wall of the housing.

Abstract: A device for producing a spur toothing includes a tool holder arranged for rotational drive about a drive axis and longitudinal displacement along the drive axis, and a tool arranged on the tool holder. The tool includes an end face, a mating toothing disposed on the end face and arranged for forming a spur toothing on a workpiece, and a longitudinal axis arranged at an angle to the drive axis such that the longitudinal axis meets the drive axis at a wobble point. The mating toothing has a tooth base plane and the wobble point is disposed on the drive axis in front of or behind the tooth base plane such that, through rotary drive and longitudinal displacement of the tool holder with the associated wobbling rolling of the tool on the workpiece, the spur toothing formed by the mating toothing has a number of teeth that is unequal to a number of teeth of the mating toothing.

Abstract: Mounting rail for mounting a guide carriage of a linear guide onto a guide rail, having a mounting contour which has side faces formed on mutually averted longitudinal sides of the mounting rail and has a top face situated between the side faces and has bearing faces arranged at the end sides and transversely to the longitudinal axis for bearing against the guide rail. One bearing face has a chamfer at the transition to the side faces and to the top face. The other bearing face adjoins the side faces and the top face at an angle of 90 degrees.

Abstract: A method for measuring torque includes low-pass filtering of a signal supplied by a torque sensor, an analog signal supplied by the torque sensor being first digitized and then processed and forwarded as a digital signal having low-pass characteristics.

Abstract: A mounting and disassembling assembly having an outer sleeve, an inner sleeve and a supporting ring. The outer circumferential surface of the outer sleeve has a first mounting surface for mounting a bearing; and the inner circumferential surface has a first conical surface. The inner circumferential surface of the inner sleeve has a second mounting surface for mounting on a shaft; and the outer circumferential surface is formed with a threaded portion and a second conical surface. The supporting ring is threadedly connected to the threaded portion. Mounting is enabled by pre-mounting the bearing on the outer sleeve and sliding the first conical surface on the second conical surface. This prevents damage during mounting and makes disassembling easier. Also provided are a shaft and bearing assembly having the mounting and disassembling assembly, and a mounting method and a disassembling method using this assembly.

Abstract: A method of detecting defects in a rolling element is provided herein. The method includes collecting visual data or information via a microscope assembly. This visual data is then processed and algorithms, filters, or other analytical tools or engines are applied to detect if any defects are present on the rolling element. The method includes automatically flagging or identifying any defects, and this step is then checked or verified by a user or different entity. Depending on input from the user, the defects can either be confirmed or can be identified as a false detection. Information from the user's decision-making process is then fed back into the system, processors, algorithms or other analytic aspects of the system. This information is then used to improve the accuracy of the detection algorithms. This disclosure provides an automated system and process for more efficiently and reliably identifying defects on rolling elements.

Abstract: A sensing device for a bearing and a bearing component. The sensing device includes a sensing body for mounting into the bearing by a press fit. The sensing body is provided with: a sensing measurement module having a pressure sensor for measuring the load of the bearing and a temperature sensor for measuring the temperature of the sensing device, and the measured load is corrected using the measured temperature; a wireless communication module used for wirelessly transmitting bearing information from the sensing measurement module; and a wireless power supply module used for supplying power for the sensing measurement module and the wireless communication module. The bearing component includes a bearing and the sensing device.