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9032776 Method for calibrating a torsion torquemeter  
A method for calibrating a torsion torquemeter including: placing a torsion torquemeter in a first state; performing first measurements determining first and second angular offsets, and measuring...
8984962 Rotatable torque-measuring apparatus and method  
A torque-measurement device that has a rotational axis, and wherein the torque-measurement device includes an inner tubular structure, an outer tubular structure, and a plurality of ribs that each...
8960020 Non-contacting torque sensor with injection molded magnets  
A non-contacting torque sensor comprises a magnetic flux generating rotor and a magnetic flux detecting probe. The magnetic flux generating rotor is disposed axially between a first stator and a...
8915150 Torque sensor  
A torque sensor includes: a torsion bar; a multi-pole magnet; a pair of yokes on an outside of the multi-pole magnet in a radial direction and providing a magnetic circuit in a magnetic field...
8875588 Manifold sensing apparatus for steering  
Provided is a complex sensing apparatus for a steering system. In the complex sensing apparatus in accordance, since an insertion projections of a first PCB are inserted into a through-holes of a...
8806962 Torque detection device and electric power steering system including the same  
A torque detection device includes: a magnetic flux collecting unit, and a sensor housing. The magnetic flux collecting unit includes a holder, first and second magnetic flux collecting rings, and...
8798889 Automatic transmission and method of control for rejecting erroneous torque measurements  
A method for an automatic transmission includes measuring torque of a component of the transmission using a torque sensor in communication with the component. The torque of the component is...
8781777 Rotation angle detection device and electric power steering system using the same  
A bridge circuit includes a plurality of half-bridges formed of sensor elements, which change impedance in accordance with a rotation angle of a detection target. A control circuit acquires output...
8746082 Torque sensor  
A torque sensor which detects a deflection angle between an input and an output shaft which are aligned with a shaft axis. An annular sine ring, annular cosine ring, and annular flux return ring,...
8677837 Torque-measuring hub, power-measuring system, and cycle wheel equipped with such a hub or system  
A hub for measuring the driving power of a cycle wheel including a central shaft defining an axis of rotation of the wheel, a hub body mounted to rotate freely about the shaft, a flange mounted to...
8650969 Magnetostrictive torque sensor and electrically-assisted power steering apparatus  
A magnetostrictive torque sensor includes a rotation shaft, a magnetostrictive member, and a plurality of detectors. The rotation shaft is rotationally supported. The magnetostrictive member is...
8616326 Torque detection device and electric power steering system  
A torque detection device includes: a torsion bar that couples a first shaft to a second shaft such that the first shaft and the second shaft are rotatable relative to each other; an annular...
8608128 Non-contact torque sensing for valve actuators  
Non-contact torque, thrust, strain, and other data sensing of a valve actuator or valve is disclosed. A sensor may include a surface acoustic wave device.
8607648 Rotation angle detection device and torque detection device  
A rotor includes a cylindrical magnet having a plurality of magnetic pole pairs. There are two types of the magnitude of magnetic force in the magnetic pole pairs, that is, a relatively large...
8578794 Magnetoelastic torque sensor with ambient field rejection  
The present invention involves a method and apparatus for canceling the effects of magnetic field noise in a torque sensor by placing three sets of magnetic field sensors around a shaft, the first...
8539810 Method and apparatus for calibrating a torque measurement  
According to one aspect of the invention, a method for calibrating a torque measurement for a rotatable object is disclosed, wherein the method includes coupling the rotatable object to a...
8511166 Strain measurement of rotating components  
A strain sensor apparatus for a rotatable shaft including an emitter/receiver, a vibration element attached to the shaft and arranged for receiving and reflecting signals to and from the...
8505393 Crankset based bicycle power measurement  
The present application relates to an input torque measuring device for a drive train of a bicycle. The drive train includes a first crank arm and a second crank arm. An inboard end of each crank...
8468898 Method and apparatus for continuous sectional magnetic encoding to measure torque on large shafts  
Magnetically encoded shafts for use in detecting forces exerted on the shaft during operation. Magnetically encoded regions, arranged in tracks or bands, encircle the shaft and are formed within...
8464598 Device for measuring the torque transmitted by a power shaft  
A torque measurement device including: a power shaft transmitting rotary torque about the axis of the power shaft; a first wheel carrying angle marks, the wheel being secured to the power shaft; a...
8438937 Devices and methods for detecting rates of change of torque  
Sensors for outputting signals indicative of a rate of change of torque experienced by a magnetized member in response to a change in torque experienced by the member are described. Such sensors...
8418570 Torque sensor  
A torque sensor detects a torque acting on a torsion bar provided between a first shaft and a second shaft on the basis of a magnetic flux density led to a rotating magnetic circuit portion from a...
8375809 Load monitoring for electromechanical systems  
A method for determining a load on a driven component of a rotating or stationary electromechanical system includes locating a rotationally flexible shaft portion in operable communication with a...
8286507 Torque sensor arrangement  
A sensor arrangement for measurement of a torque acting on a shaft, wherein the shaft has a first shaft section and a second shaft section and these two shaft sections can rotate with respect to...
8234937 Vertical axis adjustable platform and torque sensor  
A torque sensor includes an adjustable platform vertically adjustable to place a sensing module near a rotating target to obtain measurements there from with a sensing element. The apparatus can...
8215188 Torsion angle sensor  
A torsion angle sensor for measuring the torsion angle of two shafts coupled with one another having two planetary gear sets coupled via a shared planet carrier, with the sun gear of each gear set...
8203334 Magnetically spirally encoded shaft for measuring rotational angel, rotational speed and torque  
A magnetically spirally encoded shaft and magnetic field detecting system includes first, second, third and fourth magnetically encoded bands spirally encircling a circumference of the shaft. Each...
8181538 Magnestostrictive torque sensor and manufacturing method thereof, and electric power steering system  
A magnestostrictive torque sensor detects rotating torque applied to a rod-shaped rotating shaft to work around the rotating shaft based on a change in magnetic characteristics of a...
8140222 Electric power steering system  
A control unit estimates reverse transfer torque transferred from tires to a steering wheel and calculates an assist gain based on the reverse transfer torque. The control unit calculates basic...
8096523 Non-contact torque sensing for valve actuators  
Non-contact torque, thrust, strain, and other data sensing of a valve actuator or valve is disclosed. A sensor may include a surface acoustic wave device.
8087304 Magnetoelastic torque sensor with ambient field rejection  
The present invention involves a method and apparatus for canceling the effects of magnetic field noise in a torque sensor by placing three sets of magnetic field sensors around a shaft, the first...
8087306 Sensor arrangement for measuring a torque  
A sensor arrangement for measuring a torque acting on a shaft, wherein the shaft has a first shaft section and a second shaft section and these two shaft sections can be rotated relative to one...
8069736 Torque sensor  
The present invention aims at detecting torque with a high degree of precision, by suppressing influences such as disturbance and rotation dependency. An output side cylinder is provided with a...
8072343 Local emergency isolation valve controller with diagnostic testing and trouble indicator  
A local logic solver that operates with a local smart valve controller to control, test and monitor performance characteristics of a local field-mounted emergency isolation valve device,...
8065926 Crankset based bicycle power measurement  
The present application relates to an input torque measuring device for a drive train of a bicycle. The drive train includes a first crank arm and a second crank arm. An inboard end of each crank...
8040130 Device for detecting the torque and the angle of rotation of a rotating shaft  
A device for detecting torque features of an electric screwer comprises a clutch for coupling with the electric screwer and a clutch for applying a resisting torque. The two clutches (11, 13) are...
8020454 Torque detection device and electric power steering apparatus using the same  
A torque detection device has a magnetic flux collecting ring, arranged outside an outer periphery of a magnetic circuit forming member which is provided in a rotating body applied with a torque,...
8011255 Shaft mounted energy harvesting for wireless sensor operation and data transmission  
One embodiment of the present patent application is a method of monitoring a rotating part. The method includes providing a shaft, a sensor, a processor, an energy storage device, and a...
8001848 Torque measurement method and apparatus  
A torque measurement device associated with a power driven ground engaging device having a power supplying device and a load. The torque measurement device includes a rotatable shaft, a first...
7886863 Driveshaft assembly with torque sensor  
A driveshaft assembly that includes a first shaft member, a second shaft member, a bearing assembly and a sensor. The first shaft member has a magnetically encoded zone with a magnetic field that...
7832289 Devices and methods for detecting rates of change of torque  
Sensors for outputting signals indicative of a rate of change of torque experienced by a magnetized member in response to a change in torque experienced by the member are described. Such sensors...
7752922 Magnetostrictive torque sensor and method for manufacturing same  
A magnetostrictive torque sensor for detecting a torque comprises an operating shaft, a first hollow shaft, a second hollow shaft, a first magnetostrictive film, and a second magnetostrictive...
7752923 Magnetostrictive torque sensor  
A magnetostrictive torque sensor for detecting a torque includes an operating shaft, magnetically insulating layers, and magnetostrictive films. The operating shaft is adapted to be applied with...
7681463 Power steering system for providing an enhanced indication of road conditions or road information to the driver  
In an electric power assisting system for a vehicle, a control unit receives an input shaft rotation angle detected by an input shaft rotation angle sensor and an output shaft rotation angle...
7594446 Operating device for testing torque wrenches  
An operating device for testing torque wrenches is formed with a carrier for fixing a torque wrench to be tested. A transducer is coupled to the head portion of the torque wrench. A grip holder is...
7574926 Rotary cam driven sensor and feedback control  
A shaft angle sensing arrangement for an implement steerable axle includes a shaft rotatable about a shaft axis within shaft mounting structure, a cam ring with a cam surface mounted over the...
7562590 Torque detecting device and manufacturing method of yoke assembly  
A yoke assembly is constructed by retaining integrally a yoke ring having positioning holes aligned with pole claws arranged equally on the inner circumference and a yoke ring having positioning...
7513571 Seat assembly for a motor vehicle seat  
A seat assembly includes a seat element constituting a component of the seat structure of a motor vehicle seat, a tubular drive element connected pivotably around its longitudinal axis to the seat...
7509883 Torque detecting apparatus and manufacturing method thereof  
A detecting unit for detecting a torque applied to a rotor according to rotation of the rotor having an input shaft and an output shaft connected with each other by a torsion bar and a detection...
7469603 Angular velocity detector, method of detection of angular velocities using angular velocity detector, and method of fabricating angular velocity detector  
An angular velocity detector using a vibrator made of an annular thin film. The detector also has electrodes arranged ingeniously to have high detection sensitivity for angular velocities. The...
Matches 1 - 50 out of 145 1 2 3 >