Abstract: An apparatus for magnetic field detection includes a power supply and a plurality of magnetic field sensitive devices including at least first, second, and third magnetic field sensitive devices. The first to third magnetic field sensitive devices are coupled to each other and to the power supply such that a first supply current path runs through the first magnetic field sensitive device and not through the second magnetic field sensitive device, a second supply current path runs through the second magnetic field sensitive device and not through the first magnetic field sensitive device, and the first and second current paths run through the third magnetic field sensitive device. An internal resistance of the third magnetic field sensitive device is smaller than both an internal resistance of the first magnetic field sensitive device and an internal resistance of the second magnetic field sensitive device.

Abstract: A hydraulic camshaft adjuster (1), in which the locking system (7, 8) includes a first and a second control element (7, 8). In order to approach the middle position easily, the first control element (7) has a first and a second switching position, wherein in the first switching position a fluidic connection between the hydraulic pump (P) and a first of the two sub-chambers (B) and a fluidic connection between the other, second sub-chamber (A) and the tank (T) can be established, and in the second switching position a fluidic connection between the hydraulic pump (P) and the second of the two sub-chambers (A) and a fluidic connection between the other, first sub-chamber (B) and the tank (T) can be established, and the second control element (8) is free from different switching positions and has no influence on the flow of hydraulic fluid.

Abstract: A single unit solenoid-controlled hydraulic fluid control valve (HFCV) configured to recirculate an exiting hydraulic fluid from a first hydraulic actuation chamber to a second hydraulic actuation chamber is provided. The HFCV includes a selectively movable spool having an inner fluid chamber configured to receive and deliver the exiting hydraulic fluid to one or both of either a sump or one of the first or second hydraulic actuation chambers.

Abstract: A method for continuous condition monitoring of an electric motor having a rotor and a stator and at least two motor phases, wherein, a first energy loss is associated with the first motor phase and a second energy loss is associated with the second motor phase. The temperature during operation of the electric motor is determined by firstly carrying out a first temperature calculation in order to estimate a temperature of the first motor phase, the first temperature calculation incorporating an energy loss estimation, and a temperature estimation in which a temperature of the first motor phase depends on the estimated energy loss. A second temperature calculation in order to estimate a temperature of the second motor phase utilizes the first temperature value and an energy loss difference between the first and the second energy loss.

Abstract: A pinion shaft assembly facilitates assembly of an automotive differential. An angular contact double row ball bearing is assembled to an outer surface of a hollow pinion shaft. An axial pre-load is established and maintained by orbitally forming an outwardly turned portion of the hollow pinion shaft. In some embodiments, the two inner rings are assembled to the pinion shaft. In other embodiments, a raceway may be formed directly on an outer surface of the pinion shaft to eliminate one of the inner rings. The pinion shaft includes a spline, such as an axial spline or a face spline, for fixation to a driveshaft.

Abstract: A method for producing a reduced friction sliding surface on a machine element includes applying a coating comprising amorphous carbon to a surface of the machine element and locally heating the coating with a laser. The coating is heated to a temperature below an evaporation temperature of the coating to achieve a local volumetric increase in the coating and a local increase in a layer thickness of the coating. A surface structure of the coating includes a multiplicity of elevations resulting from a local phase transformation of the coating from amorphous carbon into graphite due to the locally heating.

Abstract: A hybrid power system includes a CVT, an internal combustion engine, an electric motor, a clutch, and a synchronization apparatus. The CVT has a CVT input shaft and a CVT output shaft. The internal combustion engine has an internal combustion engine output shaft and the electric motor has an electric motor shaft. The clutch is provided between the internal combustion engine and the CVT. The synchronization apparatus is provided between the internal combustion engine and the electric motor. The clutch and the synchronization apparatus can be adjusted to connect the internal combustion engine output shaft to the electric motor shaft via the CVT, and connect the internal combustion engine output shaft to the electric motor shaft without the CVT. In an example embodiment, the synchronization apparatus includes a first synchronizer between the internal combustion engine and the CVT, and a second synchronizer between the CVT and the electric motor.

Abstract: A hybrid module includes a first component, a second component, a first bearing, and a retainer. The first component has a pilot surface and a threaded portion, and the second component has a shaft and a tool. The tool has a first drive profile. The first bearing is installed on the pilot surface and the retainer is threaded onto the threaded portion. The retainer has a second drive profile, complementary to the first drive profile. A second bearing may be installed between the first component and the shaft, and a retaining ring may be installed in the shaft or the first component to prevent axial displacement of the shaft relative to the first component. The retainer may be disposed on a first axial side of the first bearing, and the second bearing may be disposed on a second axial side of the first bearing, opposite the first axial side.

Abstract: A hybrid module for a motor vehicle for coupling an internal combustion engine includes a disconnect clutch, an electrical machine, a dual-clutch device, a disconnect clutch actuating system, a first actuating system, and a second actuating system. The disconnect clutch is for transmitting a first torque from the internal combustion engine to the hybrid module and disconnecting the hybrid module from the internal combustion engine. The dual-clutch device includes a first partial clutch and a second partial clutch. The disconnect clutch actuating system is for actuating the disconnect clutch. The first actuating system is for actuating the first partial clutch. The second actuating system is for actuating the second partial clutch. The disconnect clutch actuating system, the first actuating system, and the second actuating system are arranged next to one another in an axial direction.

Abstract: An actuator for level adjustment of a motor vehicle utilizes a ball screw and a locking unit provided for blocking the ball screw. The actuator has a spindle drive which can be actuated by an electric motor via a gear. The spindle may be fastened to a damper of the chassis of a motor vehicle, to a wheel carrier or to the body or a subframe of a motor vehicle. With the aid of a locking unit of the spindle drive, the rotation of the spindle nut can be optionally blocked or enabled. The locking unit includes a locking element which engages a locking contour attached to the end face of a rotatable element of the gear.

Abstract: A system for selectively locking two coaxial axle shafts of an electric axle is provided. The system includes a first electric motor having a first rotor shaft configured to drive a first axle shaft. The system also includes a second electric motor having a second rotor shaft configured to drive a second axle shaft coaxial with the first axle shaft. An actuator is configured to selectively activate to operate in a safety mode. When operated to assume the safety mode, the actuator causes the first rotor shaft to lock to the second rotor shaft, such that the two shafts rotate in unison. This allows one of the two motors to drive both axle shafts in the event of a fault in one of the motors.

Abstract: A drafting system unit for a drafting system of a spinning machine having a first top roller and a second top roller spaced apart therefrom, characterized in that an apron cage to which negative pressure can be applied is arranged between the first top roller and the second top roller for guiding an air-permeable apron in circulation jointly around the apron cage and an apron top roller, the apron top roller being formed by the first top roller or by a third top roller that is assigned to the apron cage and arranged on the same side as the first and second top roller in relation to the fiber band being transported. The apron cage has at least one through-opening, to which negative pressure can be applied, for applying suction air to the fiber band running between the first and second top roller, through the air-permeable apron.

Abstract: An apparatus according to the present disclosure may comprise a secure zone configured to execute a task having a subtask. The task and subtask may have respective executable code and may be digitally signed by respective code providers. The secure zone may be further configured to apply respective sets of permissions while the respective executable code of the task and subtask are executed. The respective set of permissions for the task may be based on at least one of information associated with the signed task and information in a digital certificate of the respective code provider for the task. The respective set of permissions for the subtask may be based on at least one of information associated with the signed subtask and information in a digital certificate of the respective code provider for the subtask.

Abstract: A flooring system is provided comprising a plurality of (identical) floor panels, which are mechanically connectable to each other along at least one pair of adjacent first and second opposite joint edges. The panels comprise locking elements for connecting said panels in both horizontal and vertical direction. In order to consider the often occurring situation that in panels—especially when stored under changing external conditions, especially changing humidity—might warp, the (vertical) locking element in the panels is constructed with a (slight) play, so that in the event that two panels have slightly different warp nevertheless can easily and reliably be mechanically connected with each other omitting the need to exert an excess of force to fit the panels.

Abstract: A hybrid module for a vehicle includes a torque converter and an electric motor. The torque converter includes an impeller shell and a cover. The cover is fixed to the impeller shell to form at least a portion of an outer shell for the torque converter. The electric motor includes a rotor supported on a rotor carrier. The cover and the rotor carrier are integrally formed from a same piece of material. In an example embodiment, the hybrid module includes a resolver rotor fixed to the rotor carrier. In some example embodiments, the hybrid module includes a cover disk, fixed to the rotor carrier and extending radially inward to form a portion of the outer shell.

Abstract: A spur gear includes an input wheel, an output wheel, and an intermediate wheel, which engages via a gear with a gear on the input wheel and with a gear on the output wheel. A blocking mechanism is provided on the intermediate wheel which, in a first operating state, permits the transmission of torque from the input wheel to the output wheel and, in a second operating state, blocks the transmission of torque from the input wheel to the output wheel. At least one guide track for the blocking mechanism is formed on the intermediate wheel, the guide track having a radially inner guide wall and a radially outer guide wall. A latching position for blocking the blocking mechanism is formed on the radially outer guide wall.

Abstract: A device for monitoring a digital control unit with regard to functional safety is proposed. The device comprises an interface configured to receive a control signal of the digital control unit for a circuit component. The control signal represents a digital value. Furthermore, the device comprises a timer circuit configured to output an associated timer value in each case for successive points in time. The device furthermore comprises a hash value generator, which is configurable, in response to a change in the digital value, to recalculate a hash value on the basis of the change in the digital value and the timer value at the point in time of the change in the digital value.

Abstract: A motor vehicle (10), in particular an autonomous motor vehicle, includes a steering system (38, 30), a plurality of wheels (18, 20) that can be steered by means of the steering system (28, 30), and wheel housings (24, 26) for said wheels (18, 20). The steering system (28, 30) is designed such that the steering system steers the steerable wheels (18, 20) of a wheel pair in question in the same direction, in the case of joint steering to the left or right at a steering angle a up to a limit angle ag defined by the shape of the corresponding wheel housings (24, 26), and in opposite directions, in the case of steering to the left or right at a steering angle a exceeding the limit angle ?g.

Abstract: A tool for mechanical surface treatment includes a housing, a roller body, and a resonator. The housing has a cavity for filling with a hydraulic medium having a basic pressure. The roller body is for rolling on a workpiece surface to be treated and is exposed to the basic pressure of the hydraulic medium. The resonator is arranged for generating targeted pressure pulses in the hydraulic medium. In some example embodiments, the housing has a tubular body with a tip and the roller body is arranged at the tip. In an example embodiment, the roller body is a sphere. In an example embodiment, the tool includes a seal for sealing the roller body to the tubular body.

Abstract: A panel element may be provided for a covering. In particular, a panel element for a floor, wall or ceiling covering, which covering may be formed by a plurality of panel elements of the same kind which are connected to one another. Each panel element has a basic body having a defined total thickness and upper and a lower surfaces. The basic body has in each case differently contoured longitudinal sides and in each case differently contoured end faces. One longitudinal side has groove-like contouring and the other longitudinal side has tongue-like contouring corresponding thereto.