Torque measurement sensor for measuring a torque applied to a flex plate (1). The flex plate (1) is at least partially magnetised. At least one coil (5, 66, 7) is arranged in the vicinity of the flex plate (1). The coil (5, 6, 7) detects a change in the magnetisation of the flex plate (1). The magnetisation of the flex plate (1) is generated by means of one single magnetic band (8).
Method for measuring a current applied to an electrical conductor. At least one non-conductive region is inserted in the conductor, separating the conductor in a main current path and at least one sense current path. The sense current path carries a proportion of the total current applied to the electrical conductor. A magnetic field sensor senses a magnetic field in the area of the sense current path.
G01R 15/20 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices
Sensor with a sensor drive circuit ( 15 ) to measure an external magnetic field applied to the sensor. An alternating current is fed to at least two coils ( 1; 5; 8; 9 ) that are wound around two cores of the sensor. The cores are alternately saturated by the alternating current, wherein the alternating current is assigned to one core each via a sine curve. A first arithmetic mean is an average value of the sine curve signal. A second arithmetic mean is formed from a high peak value of the sine curve of one core and a low peak value of the sine curve of the other core when at least one core is influenced by an external magnetic field.
An actuator mechanism may include a first wing including a first pair of actuator pins and a first pair of housing pins, a second wing including a second pair of actuator pins and a second pair of housing pins, and a torsion element. The torsion element mechanically links the first wing with the second wing. A keycap may be pivotably coupled to the first pair of actuator pins and to the second pair of actuator pins, and a housing member may be pivotably coupled to the first pair of housing pins and to the second pair of housing pins. In response to an actuator force applied onto the keycap, the first wing and the second wing act in cooperation with the torsion element to enable parallel movement of the first wing and the second wing to actuate an electrical contact.
H01H 13/36 - Snap-action arrangements depending upon deformation of elastic members using flexing of blade springs
H01H 13/50 - Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
A system for illuminating a surface has at least one lighting means and a housing. At least one lens is disposed within the housing. The at least one lens is supplied with light rays from the lighting means. The at least one lens for illuminating the surface is exchangeable.
F21V 5/04 - Refractors for light sources of lens shape
F21V 11/06 - Screens not covered by groups , , or using crossed laminae or stripsScreens not covered by groups , , or using lattices or honeycombs
F21V 11/14 - Screens not covered by groups , , or using diaphragms containing one or more apertures with many small apertures
F21V 17/00 - Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
A rotary position sensor to determine a position of a rotary system comprising at least three individual position sensors (10, 11, 12) and a gear box (13). A target (9) that is related to the rotary system is scanned by the individual position sensor (10, 11, 12). The first individual position sensor (10) determines a position of the rotary system. The second individual position sensor (11) determines an angle of rotation referring to the rotary system. Wherein the third individual position sensor (12) measures a rotational change referring to the rotary system.
The invention refers to a backlighting device for a (1) lighting assembly of a vehicle. The backlighting device comprises at least one printed circuit board and at least one light guide body. The light guide body receives the light, emitted by a light source. The printed circuit board blocks and deflects the light emitted by the light source to the light guide body. The printed circuit board has at least one opening to receive the light guide body.
An electrical conductor for use in a battery of an electrically powered motor vehicle has a busbar enclosed by a first layer. A second layer is placed on the side of the first layer facing away from the electrical conductor.
H01M 10/653 - Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
H01M 50/526 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing characterised by the material having a layered structure
B32B 3/04 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by a layer folded at the edge, e.g. over another layer
H01B 7/29 - Protection against damage caused by external factors, e.g. sheaths or armouring by extremes of temperature or by flame
A rotary actuator is connected to a device and configured to set the device in a motion. The rotary actuator has a rotary actuation system and a logic. The logic is configured such that when a movement is applied to the device independent of the rotary actuator, the logic activates the rotary actuator to: (i) move the device to at least one functional position or (ii) move the device to a starting position.
Device for measuring at least one first force (19) generated within a brake system (20) of a vehicle (9). The brake system (20) comprises at least caliper (16) and at least one brake disc (4). The at least two load pins (12, 13), connecting the caliper (16) and the vehicle (9) are arranged to measure the first force (19). A converting means (21) is arranged to convert a basic force (22) into the first force (19) to be measured.
B60T 17/22 - Devices for monitoring or checking brake systemsSignal devices
G01L 5/28 - Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for testing brakes
G01L 5/169 - Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring several components of force using magnetic means
F16D 66/00 - Arrangements for monitoring working conditions of brakes, e.g. wear or temperature
A force sensing device generates an output signal containing information usable for determining a magnitude and a direction of a force acting on a coupling. The coupling has a hook and a linking element linking the hook to a connection flange. The linking element is linked to the hook and the connection flange by at least two pins. Each pin comprises a torque sensor. The linking element is arranged at an angle with respect to the hook such that independent of the angle of the slope between an imaginary horizontal plane and the longitudinal axis of the connection flange, the linking element does not reach a position, in which the two pins are arranged one above the other in a vertical direction relative to a longitudinal axis of the connection flange.
G01L 5/13 - Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring the tractive or propulsive power of vehicles
A method for driving LEDs involves arranging the LEDs in a matrix. The LEDs are designed as RGB LEDs and are driven by means of a duty cycle control protocol.
A current sensor has at least one support element that is configured to carry at least one sensing coil of at least two sensing coils of the current sensor. The support element has at least one face on which at least one sensing coil is arranged. The sensing coil is to be used in connection with a current transferring conductor. The at least two sensing coils differ from each other in respect of at least one of an angular orientation of the individual sensing coil relative to a longitudinal axis of the current transferring conductor and/or a vertical distance of the individual sensing coil relative to the current transferring conductor.
A current sensor includes a current transferring conductor to conduct current and four magnetic field sensors with the magnetic field sensors being divided into two pairs of magnetic field sensors. The two magnetic field sensors are arranged in a V-shaped manner on one face of the current transferring conductor. Two magnetic field sensors are arranged in a V-shaped manner on the other face of the current transferring conductor. Of the magnetic field sensors arranged in a V-shaped manner, the ones of each side running parallel to each other form one pair.
G01R 15/20 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices
G01R 19/00 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof
A device for sterilizing at least one surface within an interior or at an exterior of a vehicle. The surface is susceptible to exposure to micro-organisms, bacteria, pathogens and/or viruses. The device comprising: at least one UV-C light source mounted in or in the area of the surface of the object, at least one control module for controlling the UV-C light emitted by at least one UV-C light source, and at least one user presence detection module for sensing the presence of a user using the vehicle.
Device for correcting the effect of an external stress overload affecting a ferromagnetic component, comprising: the ferromagnetic component, having at least one magnetic field, and a magnetic field sensor, and at least one coil, being arranged around the magnetic field sensor and/or around the ferromagnetic component, and generating a magnetic field, with the field providing an oscillating magnetic field and a magnetic flux density of at least 30 Gauss.
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.
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.
G05G 9/047 - Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks
G05G 5/03 - Means for enhancing the operator's awareness of the arrival of the controlling member at a command or datum positionProviding feel, e.g. means for creating a counterforce
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.
G01L 3/00 - Measuring torque, work, mechanical power, or mechanical efficiency, in general
G01L 3/10 - Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
20.
Device for a brake pedal force-travel emulator with force and displacement sensor and corresponding process
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).
G01L 5/22 - Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring the force applied to control members, e.g. control members of vehicles, triggers
B60T 8/32 - Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
B60T 7/04 - Brake-action initiating means for personal initiation foot-actuated
B60T 8/40 - Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the braking system
G05G 1/38 - Controlling members actuated by foot comprising means to continuously detect pedal position
B60T 8/88 - Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration with failure responsive means, i.e. means for detecting and indicating faulty operation of the speed responsive control means
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.
G01L 5/00 - Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
G01L 5/13 - Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring the tractive or propulsive power of vehicles
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.
G01L 5/00 - Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
G01L 5/13 - Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring the tractive or propulsive power of vehicles
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. A method of determining an optimum distance between the magnetic-field sensor and an associated magnetic-field compensating sensor is also disclosed.
G01L 3/00 - Measuring torque, work, mechanical power, or mechanical efficiency, in general
G01L 5/00 - Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
G01L 3/10 - Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
G01L 1/26 - Auxiliary measures taken, or devices used, in connection with the measurement of force, e.g. for preventing influence of transverse components of force, for preventing overload
G01L 1/12 - Measuring force or stress, in general by measuring variations in the magnetic properties of materials resulting from the application of stress
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.
G05G 9/047 - Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously the controlling member being movable in different independent ways, movement in each individual way actuating one controlled member only in which movement in two or more ways can occur simultaneously the controlling member being movable by hand about orthogonal axes, e.g. joysticks
G05G 5/03 - Means for enhancing the operator's awareness of the arrival of the controlling member at a command or datum positionProviding feel, e.g. means for creating a counterforce
G01D 5/14 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
G01D 5/26 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using optical means, i.e. using infrared, visible or ultraviolet light
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.
G01L 5/00 - Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
B60D 1/24 - Traction couplingsHitchesDraw-gearTowing devices characterised by arrangements for particular functions
B60D 1/52 - Traction couplingsHitchesDraw-gearTowing devices characterised by the mounting removably mounted
B60D 1/62 - Auxiliary devices involving supply lines, electric circuits, or the like
G01L 5/13 - Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring the tractive or propulsive power of vehicles
26.
Apparatus for determining external stray magnetic fields on a magnetic field sensor
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.
G01L 3/10 - Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
27.
Device for compensating external magnetic stray fields or for compensating the influence of a magnetic field gradient on a magnetic field sensor
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.
G01D 5/20 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
G01L 3/10 - Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
G01R 33/00 - Arrangements or instruments for measuring magnetic variables
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′).
G01L 1/12 - Measuring force or stress, in general by measuring variations in the magnetic properties of materials resulting from the application of stress
G01L 5/00 - Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
G01L 5/10 - Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands using electrical means
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.
G01L 3/00 - Measuring torque, work, mechanical power, or mechanical efficiency, in general
G01L 3/10 - Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
G01D 5/20 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
G01D 5/12 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means
30.
Path measurement method for a magnetic sensor and sensor
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.
G01B 7/14 - Measuring arrangements characterised by the use of electric or magnetic techniques for measuring distance or clearance between spaced objects or spaced apertures
G01D 5/20 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
G01B 7/00 - Measuring arrangements characterised by the use of electric or magnetic techniques
The invention provides a method for reducing the noise in a signal from a torque sensor caused by near magnetic field sources. The torque sensor has a partially hollow longitudinally extending member, and a magneto-elastically active region including one region magnetically polarized such that the magnetized polarity becomes increasingly helically shaped as the applied torque increases; a plurality of primary magnetic field sensors arranged approximate the at least one region for outputting a first signal corresponding to a torque-dependent magnetic flux emanating from the active region; at least one secondary magnetic field sensor axially spaced in a first direction by a pre-determined first distance from the plurality of primary magnetic field sensors for outputting a second signal corresponding to an ambient magnetic flux emanating from a near magnetic field source; at least one secondary magnetic field sensor axially spaced in a second direction opposite the first direction by a pre-determined second distance from the plurality of primary magnetic field sensors for outputting a third signal corresponding to the ambient magnetic flux emanating from the near magnetic field source; means for adjusting the first signal using the second and the third signals thereby compensating for the effects of the near magnetic field.
G01L 3/10 - Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
G01R 33/00 - Arrangements or instruments for measuring magnetic variables
32.
Magneto-elastic sensor, load pin, ball-joint and tow coupling comprising this sensor, method of determining a direction of a load vector
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.
G01B 7/16 - Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
G01L 9/00 - Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by electric or magnetic pressure-sensitive elementsTransmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
B60D 1/24 - Traction couplingsHitchesDraw-gearTowing devices characterised by arrangements for particular functions
F16C 11/06 - Ball-jointsOther joints having more than one degree of angular freedom, i.e. universal joints
G01N 27/72 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
G01P 13/02 - Indicating direction only, e.g. by weather vane
G01L 1/12 - Measuring force or stress, in general by measuring variations in the magnetic properties of materials resulting from the application of stress
G01L 3/10 - Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
33.
Freewheel hub comprising a magneto-elastic sensor and bicycle, pedelec, fast pedelec or e-bike comprising the freewheel hub
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.
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).
patents
