A torque sensor comprises: a shaft having a first magnetized region which generates a first magnetic field in response to a torque applied to the shaft; a first magnetic field sensor for detecting the first magnetic field, the magnetic field sensor being adapted to output a signal in response to a strength of the first magnetic field at the location of the first magnetic field sensor; and a first magnetic field guiding arrangement for guiding the first magnetic field to the location of the first magnetic field sensor.
G01L 3/10 - Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
An electric hand tool has a driving unit for driving a shaft of the tool and configured to drive, via the shaft, a socket of the electric hand tool or a socket connectable to the electric hand tool and a magnetostrictive torque sensor for measuring a torque applied to the shaft via the driving unit. The magnetostrictive torque sensor comprises a magnetized torque-transmitting element and a 3D magnetic field sensor configured for measuring a total magnetic field, the total magnetic field including the magnetic field generated by the magnetized portion of the shaft and an interfering external magnetic field. A processor is included for at least partially correcting the total magnetic field for the interfering external magnetic field to obtain a corrected magnetic field corresponding to the magnetic field generated by the magnetized torque-transmitting element, and for determining the torque applied to the shaft based on the corrected 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
B25F 5/00 - Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
3.
Electric Hand Tool with Torque Sensor and Certification System
An electric hand tool has a driving unit for driving a shaft of the electric hand tool and configured to drive, via the shaft, a socket of the electric hand tool or a socket connectable to the electric hand tool; a torque sensor for measuring a torque applied to the shaft via the driving unit; a control unit for controlling the driving unit to limit the measured torque to a predetermined value and/or to adjust the measured torque to the predetermined value within a tolerance range; and a transmitter for transmitting data from the electric hand tool to an external memory, the data comprising a final torque value. A method provides a traceable logging of a torque value and issuance of a corresponding certificate.
B25B 23/147 - Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers
G06K 7/14 - Methods or arrangements for sensing record carriers by electromagnetic radiation, e.g. optical sensingMethods or arrangements for sensing record carriers by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
4.
Exoskeleton Fitness Device for Exercising the Human Body
An exoskeleton fitness device, particularly for exercising a human body, comprises a wearable structure having at least one fastening member, the at least one fastening member configured to fasten the wearable structure to a user's body, at least one mechanical joint having at least one axis of rotation and at least one degree-of-freedom, the at least one mechanical joint fastened to the wearable structure, at least one unit for generating a rotational resistance that counteracts a rotational movement of the at least one mechanical joint, and a controller for controlling the rotational resistance, wherein the controller is configured to control the rotational resistance according to a user setting.
A61H 3/00 - Appliances for aiding patients or disabled persons to walk about
A63B 21/005 - Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using electromagnetic or electric force-resisters
5.
Coil arrangement and torque sensor with coil arrangement
A coil arrangement has a first cylindrical coil having a first winding direction and a second cylindrical coil having a second winding direction. The first and second cylindrical coils are arranged in longitudinal succession aligned on a common axis. Mutually adjacent ends of the first and second cylindrical coils are electrically connected to each other, and the second winding direction is opposed to the first winding direction.
G01L 3/10 - Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
G01L 5/00 - Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
A drive bearing includes an element rotatably mounted and which comprises magnetized magnetostrictive material. A torque can be applied to the element and the magnetostrictive magnetized material is formed to generate at a first position outside the element a magnetic field as a function of the torque applied. A measuring circuit comprises a first magnetic field sensor for detecting a total magnetic field at the first position, the total magnetic field comprising the magnetic field generated by the magnetostrictive magnetized material and an external magnetic field. The first magnetic field sensor outputs a first signal as a function of the total magnetic field detected. A second magnetic field sensor detects the external magnetic field at a second position and outputs a second signal as a function of the external magnetic field detected. The measuring circuit determines a value of the torque applied using the first and the second signals.
G01L 3/10 - Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
A torque sensor includes a disk comprising a magnetostrictive, magnetically biased, or magnetizable material, and a magnetic field sensor assembly. A torque acting about an axis of rotation of the disk can be applied to the disk and the magnetostrictive material is configured to generate a magnetic field outside the disk that changes dependent on the effective torque. The magnetic field sensor assembly is configured to output a signal based on the magnetic field generated by the magnetostrictive material, and the torque sensor is configured to determine a value of the acting torque based on the signal that is output.
G01L 3/10 - Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
8.
DEVICE AND METHOD FOR COMPENSATING FOR INTERFERING FIELDS DURING A MAGNETOSTRICTIVE TORQUE MEASURING PROCESS
The invention relates to a torque sensor assembly for detecting the torque on at least two shafts in a shaft assembly, comprising a first and a second shaft of the shaft assembly, said first and second shaft being arranged preferably parallel to each other; a first magnetoelastic torque sensor for measuring the torque on the first shaft, said first torque sensor comprising a first magnetized region of the first shaft and a first magnetic field sensor for measuring a magnetic field generated by the first magnetized region; a second magnetoelastic torque sensor for measuring the torque on the second shaft, said second torque sensor comprising a second magnetized region of the second shaft and a second magnetic field sensor for measuring a magnetic field generated by the second magnetized region; and a first compensation element for at least partly compensating for an interference of the second magnetized region of the second shaft with the torque measuring process of the first torque sensor. The invention additionally relates to a corresponding method.
G01L 3/10 - Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
9.
Magnetoelastic torque sensor that more accurately measures magnetic field change
The magnetoelastic torque sensor includes a shaft that is magnetized in a first axial section in a first circumferential direction and to which a torque to be measured can be applied; a first magnetic field sensor outside of the shaft for recording a magnetic field, which is generated by the first section of the shaft and independent of the applied torque. The first magnetic field sensor comprises a first 3D Anisotropic MagnetoResistance (3D-AMR) sensor.
G01L 3/10 - Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
The invention discloses an apparatus for magnetizing a ferromagnetic, electrically conductive hollow shaft, wherein the apparatus comprises: an electrically conductive rod-like element for generating one or more magnetic fields with an internal contact-making apparatus, which is arranged thereon, for making contact with an inner contact region on an inner side of the hollow shaft; an external contact-making apparatus for making contact with an outer contact region on an outer side of the hollow shaft; and a current source for generating a current pulse through the rod-like element, the internal contact-making apparatus and the external contact-making apparatus, and also through the hollow shaft between the inner and the outer contact region, wherein a first pole of the current source is connected or can be connected to at least one current supply contact point of the rod-like element, and a second pole of the current source is connected or can be connected to the external contact-making apparatus, and wherein an electrical polarity of the first pole is opposite to the electrical polarity of the second pole. The invention further discloses a corresponding method.
H01F 13/00 - Apparatus or processes for magnetising or demagnetising
G01P 3/00 - Measuring linear or angular speedMeasuring differences of linear or angular speeds
G01D 5/00 - 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
G01L 3/00 - Measuring torque, work, mechanical power, or mechanical efficiency, in general
The torque sensor according to the invention comprises: a hollow shaft a first axial portion of which is magnetized in a first circumferential direction, and to which a first torque to be measured can be applied; a first magnetic sensor for detecting, outside the hollow shaft, a magnetic field produced by the first portion of the hollow shaft; and a ferromagnetic hollow rod for shielding the hollow shaft and/or the first magnetic sensor from magnetic fields that are present inside or can be produced inside the hollow rod, the hollow rod extending inside the hollow shaft and extending therethrough.
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
12.
CABLELESS ROTATIONAL SPEED, TORQUE AND OUTPUT SENSOR FOR BICYCLES
The present invention relates to a bottom bracket comprising a bottom bracket spindle, a measuring device for measuring a rotational speed of the bottom bracket spindle and/or a torque at the bottom bracket spindle, and an electric generator mounted in the bottom bracket for supplying electrical energy to the measuring device.
The present invention relates to a bottom bracket with a bottom bracket spindle, a measuring device for measuring a rotational speed of the bottom bracket spindle and/or of a torque applied to the bottom bracket spindle, and an electric generator arranged in the bottom bracket for supplying the measuring device with electrical energy.
The present invention relates to an apparatus for determining a mechanical force of an actuator on a movable aircraft component. The apparatus according to the invention comprises a shaft, in particular a solid or hollow shaft, for transmitting force and/or torque to the actuator, wherein the shaft has a first region remanently magnetized in a first circumferential direction; and at least one first magnetic field sensor for detecting a field direction change of the first magnetized region that occurs under the effect of force and/or torque on the shaft.
G01L 1/12 - Measuring force or stress, in general by measuring variations in the magnetic properties of materials resulting from the application of stress
B64C 13/26 - Transmitting means without power amplification or where power amplification is irrelevant
B64D 45/00 - Aircraft indicators or protectors not otherwise provided for
G01L 3/10 - Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
09 - Scientific and electric apparatus and instruments
37 - Construction and mining; installation and repair services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Magnets and Magnetised metal bodies, in particular magnetised metallic motor shafts, cylinders and borers; Measuring apparatus and sensors, in particular magnetic torque sensors, position sensors and force sensors; Magnetic meters; Apparatus, software and control electronics for use in sensor technology for controlling, adjusting and calibrating torque sensors, position sensors and force sensors; Apparatus and instruments for measuring, conducting and controlling electricity, in particular for conducting electricity through magnetisable metal bodies; Apparatus for controlling an engine, in particular for controlling ignition of an engine and for monitoring engine knocking; Apparatus for detecting mechanical overload of a piece of equipment. Installation, maintenance and repair of sensors, in particular torque sensors, position sensors and force sensors. Technological engineering, in particular in the field of implementing torque sensors, position sensors and force sensors and in the field of quality control for metal surfaces; Calibration of sensors, in particular torque sensors, position sensors and force sensors.
16.
Method and an array for magnetizing a magnetizable object
Described is a method and array for magnetizing a magnetizable object. The method includes the steps of (a) applying a first degaussing signal to the magnetizable object to degauss the magnetizable object and the first degaussing signal is an alternating electrical signal having a first frequency and a first amplitude; (b) applying a magnetizing signal to the degaussed magnetizable object to magnetize the magnetizable object; and (c) applying a second degaussing signal to the magnetized magnetizable object to partially degauss the magnetized magnetizable object and the second degaussing signal is an alternating electrical signal having a second frequency and a second amplitude.
H01H 47/00 - Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
17.
Sensor device, sensor arrangement, and method of measuring a property of an object
A sensor device measures a property of an object. The sensor device comprises a magnetic field generator adapted to generate a magnetic field in at least a part of the object, and at least one magnetic field detector adapted to detect at least one detection signal in response to the magnetic field generated in at least a part of the object. The at least one detection signal is indicative of the property of the object. A direct current or a direct voltage is applicable to the magnetic field generator to generate the magnetic field in at least a part of the object.
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
G01B 7/30 - Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapersMeasuring arrangements characterised by the use of electric or magnetic techniques for testing the alignment of axes
An angle sensor device is for determining information of a movable object. The information includes angular position information and/or angular speed information. The angle sensor device includes (a) at least one magnetically encoded region arranged on the movable object, (b) at least one magnetic field detector, and (c) a unit. The at least one magnetic field detector is adapted to detect a signal generated by the at least one magnetically encoded region when the at least one magnetically encoded region moving with the movable object passes a surrounding area of the at least one magnetic field detector. The unit is adapted to determine the information based on the detected signal.
G01B 7/30 - Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapersMeasuring arrangements characterised by the use of electric or magnetic techniques for testing the alignment of axes
09 - Scientific and electric apparatus and instruments
37 - Construction and mining; installation and repair services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Magnetised metal bodies, in particular magnetised metal
motor shafts, cylinders and drills. Magnets, measuring devices and sensors, in particular
magnetic torque sensors, position sensors and force sensors;
magnet measuring devices; apparatuses, software and control
electronics to be used in the sensor technology, in
particular for the controlling, adjusting and calibrating of
torque sensors, position sensors and force sensors;
apparatuses and instruments for the measuring, conducting
and controlling of electricity, in particular for the
conducting of electricity through magnetisable metal bodies;
apparatuses for controlling a motor, in particular for
controlling the ignition of a motor and for the monitoring
of motor knocking; apparatuses for detecting a mechanical
overload of a device. Installation, maintenance and repair of sensors, in
particular of torque sensors, position sensors and force
sensors. Technological engineering services, in particular in the
field of implementing torque sensors, position sensors and
force sensors and in the field of quality control of metal
surfaces; gauging and calibrating of sensors, in particular
of torque sensors, position sensors and force sensors.
09 - Scientific and electric apparatus and instruments
37 - Construction and mining; installation and repair services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Magnetised metal bodies, namely, magnetized metal motor cam shafts, cylinders being parts of machines and power or electrical drills Magnetic measuring devices for measuring torque, position, force, velocities, acceleration or angle, namely, with magnetic torque sensors, position sensors, force sensors, velocity sensors, acceleration sensors or angle sensors; electronic apparatus, software and control electronics to be used in sensor technology, namely for the controlling, adjusting and calibrating of torque sensors, position sensors and force sensors; electronic apparatus and instruments for measuring, conducting and controlling electricity through magnetisable metal bodies; electronic apparatus for controlling a motor, namely, for controlling the ignition of a motor, namely of a combustion engine, and for monitoring motor knocking; ultrasonic detectors for detecting a mechanical overload of vehicle engines Installation, maintenance and repair of sensors, namely of torque sensors, position sensors and force sensors Technological engineering services in the field of implementing torque sensors; position sensors and force sensors and in the field of quality control of metal surfaces; gauging and calibrating sensors, namely torque sensors, position sensors and force sensors
