Matches 1 - 50 out of 157 1 2 3 4 >
Match Document Document Title
7624653 Torque sensor with a resin housing and a method of manufacturing the same  
The torque sensor includes a plurality of coil units having a substantially cylindrical shape, the coil units including a plurality of detection coils arranged to face a magnetic characteristic...
7622918 Solenoid magentometer  
A magnetometer assembly ( 22 ) for a torque transducer ( 10 ) includes inner and outer coils ( 34,38,36,40 ) wrapped and supported on a bobbin assembly ( 22 ). The bobbin assembly ( 22 ) includes...
7614313 Method of generating and measuring torsional waves in cylindrical structure using magnetostrictive effect, and magnetostrictive transducer and structure diagnosis apparatus using the method  
A method and apparatus for generating and measuring a torsional wave in a rod, shaft or pipe using magnetostriction are provided. The magnetostrictive transducer includes at least one strip...
7584672 Magnetostrictive torque sensor  
A magnetostrictive torque sensor having: a rotating shaft to rotate around a center axis, the rotating shaft having magnetostrictive characteristics; and a cylindrical magnetic core disposed at a...
7562432 Method for manufacturing magnetostrictive torque sensor  
A method for manufacturing a magnetostrictive torque sensor having low nonuniformity of sensitivity characteristics. The residual austenite content in the rotating shaft of the torque sensor is...
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...
7562591 Steering angle sensor  
An apparatus for determining an angular position of a shaft, such as a steering column, comprises a coil assembly, a coil support, and a coupler element having a coupler angular position correlated...
7555963 Torque sensor  
A torque sensor is provided in which a magnetic body can be easily positioned and fixed, and in which an excessive force is prevented from being exerted on a resin or the magnetic body when the...
7533584 Systems and methods for temperature compensating torque sensors  
Apparatus, systems, and methods are provided for temperature compensating a torque sensor. One apparatus includes a shaft temperature detector and a temperature compensation circuit configured to...
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...
7506554 Magnetostrictive torque sensor system and electric steering system  
A magnetostrictive torque sensor includes first and second magnetostrictive films which are provided at a shaft and have different magnetic anisotropies; a first measurement coil and a second...
7478568 Magnetostrictive torque sensor system and electric power steering apparatus employing the same  
A magnetostrictive torque sensor system stabilizes and detects steering torque applied to a steering shaft. The sensor system comprises magnetic-characteristic variation parts that are provided to...
7469604 Sensor system including a magnetized shaft  
A sensor includes a shaft and a magnetic sensor. The shaft may have at least one magnetized active region. The magnetic sensor may be configured to sense a magnetic field about the shaft, and may...
7448286 System for determining working parameters of a magnetic clutch  
A magnetic clutch has a rotatable input part with first magnets and a rotatable output part with second magnets, the output part being magnetically coupled to the input part. At least one sensor...
7433758 Control apparatus of robot  
A robot control apparatus capable of largely reducing a calculation amount to be capable of lowering a load of a CPU is provided. A control apparatus of a robot includes: a plurality of shafts...
7428847 Torque detection device  
An inventive torque detection device includes: a magnetic circuit forming member provided at a rotating body to which a torque is applied; a magnetic flux collecting ring for collecting a generated...
7424829 Bipolar output torque sensor  
A torque sensor where a first rotary shaft and a second rotary shaft are disposed on a common axial line, with the first rotary shaft and the second rotary shaft being coupled together by a torsion...
7424830 Torque sensor  
A torque sensor 1 is provided with two shafts 3, 4 (input shaft 3 and output shaft 4 ) which constitute a shaft member 2 , which is a torque detection object, an elastic member 5 which...
7415898 Torque detecting apparatus and electric power steering apparatus  
A torque detecting apparatus according to the present invention includes a first shaft and a second shaft connected coaxially to each other through a connecting shaft, a permanent magnet fixed to...
7412906 Steering system torque sensor  
A sensor apparatus for a power steering system on a vehicle, where the apparatus includes an input shaft for receiving a steering input and for rotating about a rotational axis. An output shaft is...
7406883 Compact device for measuring the speed and the direction of rotation of an object  
The invention concerns a device for measuring the speed and direction of rotation of an object ( 3 ) near to which it is placed. It comprises: a magnetic detection device ( 2 ) that...
7406884 Device for determining a steering angle and a torque that is exerted on a steering shaft  
A device determines a torque that is exerted on a shaft, the shaft having a first shaft section and a second shaft section, the two shaft sections being rotatable in relation to one another. The...
7392713 Monitoring system for turbomachinery  
A sensing system for monitoring a property of an electrically conductive moving element of turbomachinery. The sensing system includes a sensing system housing. A magnetic core is contained within...
7391211 Digital fluxgate magnetometer  
A circuit for a fluxgate magnetometer includes a plurality of digital function blocks that are programmed as functions within a microcontroller. The microcontroller includes and implements the...
7389702 Magnetostrictive torque sensor  
A magnetostrictive torque sensor comprises a rotary shaft rotating around its center axis and having a magnetostrictive characteristic and a cylindrical ferrite magnetic core disposed at a...
7386930 Method for manufacturing a magnetostrictive torque sensor  
For forming an annular magnetostrictive coat on an outer peripheral surface of a rotational shaft associated with a magnetostrictive torque sensor, a magnetostrictive coat forming method comprises...
7387034 Torque detecting apparatus  
A torque detecting apparatus having a permanent magnet fixed to an input shaft, magnetic yokes fixed to an output shaft coaxially connected to the input shaft via a torsion bar and disposed within...
7363827 Torque sensor system including an elliptically magnetized shaft  
A torque sensor includes a shaft and a magnetic sensor. The shaft may have at least one active region having an elliptical magnetization. The magnetic sensor may be configured to sense a magnetic...
7347107 Device for a torque or shear force transmitter for the determination of fibre concentration or viscosity in pulp suspensions and method for resetting of the transmitter shaft in a torque or shear force transmitter  
Device for a torque or shear transmitter for determining fibre concentration or viscosity in pulp suspensions and which is adapted to measure an angle deviation between two concentric shafts...
7343825 Torque sensor  
A magnetostriction-type torque sensor has a rotating shaft having magnetostrictive properties and first and second coils which each constitute three or more closed loops. For each coil, the closed...
7331247 Relative rotational position detection apparatus having magnetic coupling boundary sections that form varying magnetic couplings  
First and second shafts ( 1, 2 ) are interconnected via a torsion bar ( 3 ) for torsional (or rotational) movement relative to each other, and first and second magnetic body sections ( 10, 20 ) are...
7320255 Torque sensor magnetometer  
The magnetometer assembly according to this invention includes a first coil assembly and a second coil assembly for detecting separate magnetic fields along an axial portion of a torque transducer....
7310870 Method for forming an annular magnetostrictive coat on an outer peripheral surface of a rotational shaft of magnetostrictive torque sensor  
For forming an annular magnetostrictive coat on an outer peripheral surface of a rotational shaft associated with a magnetostrictive torque sensor, a magnetostrictive-coat forming method comprises...
7308834 Torque sensor and electric steering device using the same  
A torque sensor is provided with a torsion bar, first and second elongate sleeves respectively secured to one and the other ends of the torsion bar, and a pair of resolvers respectively mounted on...
7302867 Magnetic transducer torque measurement  
A magnetic transducer element is formed by rotating an integral region of a shaft about an axis in the presence of a magnetic source. An annulus of magnetization results in having its magnetization...
7279890 Tandem rotation detector for high precision detection  
A tandem rotation detector is provided for effectively preventing the occurrence of leakage flux between rotation angle detection mechanisms so that high-precision detection can be always realized....
7270017 Torque measuring device for rotating body  
A torque measuring device for a rotating body is provided, which includes: a stationary section; a rotary section; a rotary transformer composed of a primary coil disposed at the stationary...
7263905 Removable Hall-Effect sensor system for stator windings in a rotating electric machine  
A Hall-Effect sensor assembly for a rotating electric machine comprises a thin, removable tubular substrate with Hall-Effect sensors and associated connection wiring mounted on it that slips...
7263904 Torque-detecting device  
To provide a torque detecting device having a sufficient mechanical strength, capable of accomplishing an accurate torque measurement, having a processability excellent for mass-production, and...
7258027 Device for detecting absolute rotation angle and torque  
A detector of an absolute rotation angle and torque includes a first gear coupled to an input shaft of a torsion-bar unit, a gear A engaging with the first gear, and a first detecting section of an...
7246531 Torque sensor for detecting a shaft torque  
A first shaft and a second shaft are connected coaxially. A torsion bar converts a torque applied between two shafts into a torsion displacement. A multipolar magnet is fixed to the first shaft....
7243557 Torque sensor  
A torque sensor having a sensor element, wherein the sensor element is manufactured in accordance with the manufacturing steps of applying a first current pulse to the sensor element, wherein the...
7237444 Torque cell for determining a torque load on a rotary member  
A torque detection system is provided for detecting torque applied to a rotary shaft. A spring element is connected to an input and output shaft. As torque is applied to the shaft system, the input...
7225687 Power steering apparatus and torque sensor  
Power steering apparatus includes input and output shafts connected by a torsion bar; and a coil unit disposed around one of the shafts and arranged to sense torque between the input and output...
7225686 Torque sensing apparatus  
A torque sensor includes a substantially tubular giant magnetostrictive member, a shaft passing through the inner bore of the giant magnetostrictive member and capable of transmitting torque to the...
7219562 Angle sensor  
The invention provides an angular position sensor ( 1 ) comprising two magnets ( 32, 33 ) attached to the inside face of a rotor ( 31 ) for generating a magnetic field ( 50 ) and a magnetism...
7219563 Non-contact position sensor  
A non-contact position sensor having improved rotational angle measuring accuracy is provided. A magnet is attached To a rotating shaft. An angle sensor element detects magnetic field changes...
7191668 Torque measuring device for rotating body having light conductive member provided with optical path converting means  
A torque measuring device for a rotating body comprises: a rotary section including first and second flanges provided respectively at driving and driven sides, and a hollow cylinder provided...
7191669 Highly reliable torque sensor  
A torque sensor is provided which consists of a magnet, an assembly of magnetic rings, and a magnetic sensor. The magnetic rings have claws arrayed thereround at regular intervals. Each of the...
7181984 Magnetic sensor  
The present invention discloses a magnetic sensor, comprising a circular base, the center of said base having a circular hole, the lower surface of said circular base being provided with a flange;...
Matches 1 - 50 out of 157 1 2 3 4 >