Abstract: A device monitors the operating temperature of at least one set of bearings in a plurality of sets of bearings. The at least one set of bearings is arranged between a shaft and a carrier. The carrier has at least one temperature sensor that senses the temperature of the at least one set of bearings and generates a signal representative of an operating temperature of the at least one set of bearings. The at least one temperature sensor is operatively electrically connected to at least one controller. The controller processes the signal from the temperature sensor, including determining the operating temperature of the respective at least one set of bearings and whether the operating temperature of the respective at least one set of bearings exceeds at least one threshold temperature. The controller memory holds a unique identifier associated with the at least one bearing set.

Abstract: Device for a brake travel emulator with at least one integrated sensor, comprising a housing (5), a force sensor (18) both being connected to a middle part of a connection means (4). The force sensor (18) being arranged at a static unit (2), the housing (5) further comprising at least one conical compression spring (6), an axially sliding component (7), a connecting rod (9) comprising a varying diameter geometry, an oscillating means (48) capable of creating an electric field, and a displacement sensor (46), the force sensor (18) further comprising, a micro-controller (50), means for receiving applied force (41) and at least four coils (30, 31, 32, 33).

Abstract: A method for measuring stress applied to a magnetoelastic body, simultaneously detecting a potential external magnetic field affecting a magnetoelastic sensor and allocating a non-stress related influence affected by the field on the body, including applying at least two opposite magnetic zones on the body, providing at least one sensor including at least one first (1) and second (2) channel having at least two axially aligned coils each, arranged adjacent to the magnetized zone of the body, both channels having different sensitivity relative to the field, setting-up channel 1 as a common mode rejection channel and channel 2 as a common mode acceptance channel, reading the magnetized zones when stress is applied to the body, measuring the stress by channel 1 leading to an opposite sensitive direction, and detecting the impact of the field to the magnetized zones by channel 2 leading to an identical sensitive direction.

Abstract: A joystick has a lever and a housing. The lever is pivotable around a pivot axis. The joystick has a support plate carrying at least one sensor. The sensor has at least one coil generating a magnetic field. An eddy current is induced into the coil. At least one metal flag is movable relative to the coil. The motion of the metal flag coincides with the tilting motion of the lever.

Abstract: A joystick includes a stick and a base attached to the stick. The joystick includes a housing in which part of the base is disposed. The housing includes a baseplate. A predetermined number of magnets correspond to the number of pivot-axes. The magnets are attached to the base, and each of the magnets defines a pivot-axis around which the base can be. The pivot-axis is defined by one of the magnets diametrically opposite to this magnet. A magnetic element, in particular a plate, is attached to or is part of the baseplate. The joystick further includes a sensor for detecting rotation of the base around at least one of the predetermined number of pivot-axes. The base and the magnets attached to the base are disposed facing the magnetic element and interacting with the magnetic element such that an attractive force is pulling the magnets toward the magnetic element.

Abstract: The invention provides a sensor assembly for force sensing, the sensor assembly comprising: a first portion having a first and a second through hole, a second portion having a third and fourth through hole, and a first pin and a second pin coupling the first portion to the second portion. At least one out of the first and the second pin comprises a magnetoelastic based sensor for outputting a signal corresponding to a stress-induced magnetic flux emanating from a magnetically polarized region of the pin. The magnetoelastic based sensor comprises at least one direction sensitive magnetic field sensor in an at least partially hollow portion of the pin, which field sensor is configured for determination of a shear force in at least one direction. The invention further provides a tow coupling comprising the sensor assembly. The invention further provides a method for detecting a load.

Abstract: The invention provides a sensor assembly for force sensing, the sensor assembly comprising: a first portion having a first and a second through hole, a second portion having a third and fourth through hole, and a first pin and a second pin coupling the first portion to the second portion. At least one out of the first and the second pin comprises a magnetoelastic based sensor for outputting a signal corresponding to a stress-induced magnetic flux emanating from a magnetically polarized region of the pin. The magnetoelastic based sensor comprises at least one direction sensitive magnetic field sensor in an at least partially hollow portion of the pin, which field sensor is configured for determination of a shear force in at least one direction. The invention further provides a tow coupling comprising the sensor assembly. The invention further provides a method for detecting a load.

Abstract: A magnetoelastic shear force transducer with an interference field compensation comprises a hollow component section having an interior recess. A load can be applied onto the hollow component section. The load causes a shear stress in the hollow component section. The hollow component section includes at least one annular magnetoelastically active section having a magnetic polarization surrounding the recess and magnetoelastic properties. Magnetic-field sensors include at least one magnetic-field sensor in the magnetoelastically active section and a magnetic-field compensating sensor associated with the magnetic-field sensor in the magnetoelastically active section. The magnetic-field compensating sensor is arranged outside the magnetoelastically active section. A sensor signal of the magnetic-field sensor is processed along with a compensating signal of the magnetic-field compensating sensor to reduce the influence of an interfering magnetic field.

Abstract: A sensor is configured to detect a tensile, compressive and/or bending forces acting on a carrier (1, 1?) of the sensor. The carrier (1,1?) has at least one planar magnetizable surface (2). The sensor (13) comprises at least two sensor coils (12, 15) which are arranged at a predetermined angle to a longitudinal axis (14) of the carrier (1, 1?). The sensor (13) may be positioned on either side of the carrier (1, 1?). The sensor (13) is capable of detecting changes of the magnetisation due to tensile, compressive and/or bending forces acting on the carrier (1, 1?).

Abstract: A method of path measurement uses eddy current principles and a sensor which interacts with a measuring object. The sensor has an electrical connector and a sensor coil. In accordance with the method, an operating voltage is applied to the sensor such that a magnetic field is built up by an oscillator in cooperation with the sensor coil. A measuring object may be moved in the vicinity of the sensor coil through an opening in the sensor coil to produce field strength changes adjacent to the coil and the oscillator. The field strength changes are detected by an evaluation circuit and transmitted to a microcontroller. The microcontroller processes the signals of the evaluation circuit and provides the evaluation circuit with said signals via an output and protection circuit. The sensor coil consists of a plurality of windings constructed in a planar manner.

Abstract: An apparatus is provided for detecting an external magnetic field and/or a product-related magnetic field on a ferromagnetic component, which has a magnetization in the form of magnetic tracks. The apparatus comprises at least two magnetic field sensors which can detect an external magnetic field acting on the ferromagnetic component. Each magnetic field sensor comprises two coils, wherein each coil is assigned at least one magnetic track. Each two coils are configured so that they have a different sensitivity to one another, wherein one coil which has a higher sensitivity with respect to the other coil. The coil having the higher sensitivity ensures that the effect of an external magnetic field is amplified.

Abstract: A device compensates for the an influence of a magnetic field gradient which may be generated due to a component geometry of a component (1). The device includes at least two magnetic field sensors (17, 18) which are arranged outside of the magnetic balance of the ferromagnetic component (1). The at least two magnetic field sensors (17, 18) each have a differing sensitivity. One of the magnetic field sensors (17, 18) is exposed to the influence of the magnetic field gradient to a greater extent compared to the other magnetic field sensor due to its spatial arrangement relative to the ferromagnetic component (1). The one magnetic field sensor may have a sensitivity lower than the other magnetic field sensor.

Abstract: A device for determining an external magnetic influence has a component comprising ferromagnetic material and a magnetizable region comprising at least three opposing magnetic tracks. The at least three magnetic opposing magnetic tracks are magnetizable in opposite directions, form at least two groups, and are arranged axially relative to the component. A first magnetic field sensor for emitting a signal is arranged radially to the component and assigned to the first group. A second magnetic field sensor for emitting a signal is arranged radially to the component and assigned to the second group. Redundant magnetic field sensors, each configured for emitting a signal, may be arranged radially in relation to the component for each of the first and second groups. The signals of the first and the second sensors can be set in relation to each other and in relation to the signals of the redundant first and second sensors.

Abstract: A magneto elastic sensor having a longitudinally extending shaft like member which is subject to a load, is provided. A magneto-elastically active region is directly or indirectly attached to or forming a part of the member in such a manner that the mechanic stress is transmitted to the active region. A magnetically polarized region of the active region becomes increasingly helically shaped as the application stress increases. A magnetic field sensor is arranged approximate the magneto-elastically active region for outputting a signal corresponding to a stress induced magnetic flux emanating from the magnetically polarized region. The magnetic sensor determines one out of a shear stress and a compressive stress. The magnetic sensor can include at least one direction sensitive magnetic field sensor, which is arranged having a predetermined and fixed spatial coordination with the member.

Abstract: A freewheel hub and a bicycle, pedelec, fast pedelec or e-bike comprising this freewheel hub is provided. The freewheel hub includes a rotating hub shell for carrying a free running wheel. Torque is coupled to the rotating hub shell via a torque transmitting member. At least one magneto-elastically active region is directly or indirectly attached to or forms a part of the torque transmitting member in such a manner that the applied torque is transmitted to the active region including at least one magnetically polarized region. The magnetic polarization becomes increasingly helically shaped as the applied torque increases. A magneto-elastic sensor including at least one magnetic field sensor is arranged proximate to the at least one magneto-elastically active region for outputting a signal corresponding to a torque-induced magnetic flux emanating from the magnetically polarized region.

Abstract: The invention provides a method for reducing the noise in a signal from a torque sensor caused by near magnetic field sources.

Abstract: An electrical switch device has a contact system and a movable actuator for switching the contact system. The contact system resiliently preloads a sliding contact against a first fixed contact in a first switch position and against a second fixed contact in a second switch position. In case of pressurization, the actuator moves the sliding contact mainly linearly from the first switch position to the second switch position. In the first switch position, the actuator adjoins to a snap-action element having a stable position and actuates the latter from its stable position to an instable position when switching over to the second switch position, wherein the snap-action element returns to the stable position upon completion of pressurization by means of the actuator.

Abstract: A locking device for inhibiting the engagement of the reverse gear of a motor vehicle transmission has an inhibitor (2) arranged in a housing (1). The inhibitor (2) prevents the movement of a transmission part (15) of the transmission in a first position and permits the movement of the transmission part (15) in a second position. A sensor (8) for indicating the engaged reverse gear is further provided in the housing (1). The inhibitor (2) is axially movable in the housing (1) and follows the movement of a core part (3), which is likewise movable in the axial direction through a solenoid arrangement (18) provided in the housing (1). The coil (5) of the solenoid arrangement (18) surrounds the core part (3). The solenoid arrangement (18) is arranged in a chamber (9) of the housing (1).

Abstract: A magneto elastic sensor having a longitudinally extending shaft like member which is subject to a load, is provided. A magneto-elastically active region is directly or indirectly attached to or forming a part of the member in such a manner that the mechanic stress is transmitted to the active region. A magnetically polarized region of the active region becomes increasingly helically shaped as the application stress increases. A magnetic field sensor means is arranged approximate the at least one magneto elastically region for outputting a signal corresponding to a stress induced magnetic flux emanating from the magnetically polarized region. The magnetic sensor means is configured for determination of a shear stress and/or of a tensile or compressive stress. In particular, the sensor means comprises at least one direction sensitive magnetic field sensor, which is arranged having a predetermined and fixed spatial coordination with the member.

Abstract: The invention provides a method for reducing the noise in a signal from a torque sensor caused by near magnetic field sources.