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7633289 |
Displacement encoder, device comprising such an encoder and method of manufacturing such an encoder
Displacement encoder for a moving shaft, having a sleeve intended to be clamped on the shaft and an encoding zone having polarized magnetic mark. The encoding zone has permanent magnet disposed...
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7631498 |
Bearing health monitor
A turbocharger monitor including a sensor adapted and positioned with respect to a turbocharger housing to sense passing compressor blades, generating both rotor rotation information and rotor...
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7615993 |
Magnetic line-type position-angle detecting device
To provide a magnetic line-type position-angle detecting device capable of detecting an absolute position on a non-contact basis and with high resolution and inexpensive construction, the magnetic...
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7610998 |
Disc brake
A disc brake, especially for utility vehicles, which includes a caliper enclosing a brake disc, a pneumatically or electromotively operated tensioning device for tensioning the brake, which is...
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7608346 |
Magnetic field sensor
A magnetic field sensor, in particular an rpm sensor and/or rotational direction sensor and/or position sensor for the drive train of a motor vehicle, has a sensor array, with a sensor element that...
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7592799 |
Magnetic encoder and wheel support bearing assembly using the same
A magnetic encoder includes a multipolar magnet, having magnetic poles formed therein so as to alternate with each other in a direction circumferentially thereof, and a core metal supporting the...
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7592798 |
Magnetic encoder and bearing
A magnet portion 27 of a magnetic encoder 26 includes a magnetic member and a resin, and a highly reliable magnetic encoder 26 having a high magnetic property and enabling to detect a...
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7555402 |
Method for determining the angular position of the steering wheel of an automobile vehicle electric power-assisted steering system
The method consists in: determining in which actually sector the booster motor is located, a sector of the booster motor being defied by two successive poles; determining a relative angle position...
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7535215 |
Apparatus and method for the determination of a direction of an object
An apparatus for the determination of a momentary relative direction of an indicator object depending on a magnetic field influenced or generated by the indicator object includes first means for...
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7508193 |
Encoder
To easily manufacture an encoder, in which N-poles and S-poles of magnets are arranged alternately in a circumferential direction and in which an unequal pitch portion is provided in a part on a...
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7508199 |
Absolute encoder
A printed circuit board on which are laid out detection windings and an excitation magnetic flux detection winding formed of conductor patterns is disposed so as to be spaced a predetermined gap...
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7508198 |
Load generating encoder wheel
A shaft assembly, includes an elongated shaft and a flywheel mounted to an end of the shaft. An encoder is mounted to the shaft and includes an annular support ring having a radially inwardly...
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7495432 |
Angle detecting apparatus
An angle detection apparatus includes a rotation member including at least one north magnetic polar region and at least one south magnetic polar region alternately arranged around a rotation...
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7489127 |
Measuring system for contactless detection of a rotary angle, with a magnetic-field-sensitive element disposed in a recess of the magnet
The invention relates to a measuring system for contactless detection of a rotational angle, having a first body on which at least one magnet is disposed and having at least one...
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7481400 |
Railway wheel sensor
A sensor for detecting the presence of wheels of a rail vehicle includes first and second Hall Effect devices, a magnet for supplying a magnetic field to the first and second Hall Effect devices,...
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7471080 |
Magnetic absolute encoder
In the magnetic absolute encoder, an ordinary operating circuit and an ordinary/backup operating circuit are actuated during ordinary operation in which power is supplied from the ordinary...
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7468604 |
Magnetic detector maintaining high detection precision without affected by the temperature characteristics of the sensing element
A magnetic detector, wherein the magnetic/electric conversion element is constituted by at least six segments symmetrically arranged in a direction in which the magnetic moving body rotates...
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7466123 |
Rotation sensor, and method for outputting signals from rotation sensor
A rotation sensor for outputting a pulse signal, which has a frequency corresponding to a rotation speed of a rotor, to a wire. The rotation sensor includes a modulation unit and an output unit....
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7459905 |
Rotation detector having sensor chip and biasing magnet
A rotation detector is positioned to face a rotating object such as a crankshaft of an internal combustion engine. The rotation detector includes a sensor chip mounted on a portion extending from a...
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7458727 |
Seal arrangement with encoder and magnetization head for the encoder
The invention relates to a seal arrangement for sealing off at least one radial interspace between at least one bearing ring which can rotate and at least one rotationally fixed bearing ring. The...
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7455459 |
Oil bath encoder seal
An oil lubricated rotating hub ( 14 ) and stationary spindle ( 12 ) assembly includes an oil bath seal ( 16, 16 ′) for establishing a dynamic sealing interface between the hub ( 14 ) and spindle...
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7452133 |
Sensor-integrated wheel support bearing assembly
A sensor-integrated wheel support bearing assembly for rotatably supporting a vehicle wheel relative to a vehicle body structure has an outer member having an inner peripheral surface formed with a...
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7453262 |
Rotational speed detection sensor
A rotational speed detecting sensor includes a detecting portion having a detecting member provided facing a magnetized portion to be detected, the detecting portion for detecting variations of a...
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7441322 |
Method of manufacturing a magnetic detection apparatus
A magnetic detection apparatus can be improved in its product yield. The magnetic detection apparatus includes a resin compact having a the magnet arranged in opposition to an object to be detected...
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7438159 |
Bicycle motion sensing arrangement
A bicycle motion sensing arrangement is provided has a bicycle wheel, a bicycle brake and a sensor. The bicycle wheel includes an air valve stem and a magnet mounted to the air valve stem. The...
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7436172 |
Angular speed detecting device using dual angular position signals to reduce noise
An angular speed detecting device is composed of a magnetic sensor unit connected to a rotating object and including a permanent magnet and a pair of magnetic sensor elements to generate a pair of...
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7423420 |
Magnetic field-sensitive sensor
A sensor, preferably for magnetic rotary or linear sensor systems, includes a scale situated at a specified distance from the sensor, and having at least one magnetic field-sensitive GMR sensor...
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7404333 |
Sensor head or detection head and device comprising such a head
Sensor head or detector head ( 1 ) composed primarily of a protective casing that forms a hollow body ( 2 ) with an external surface, the so-called active surface ( 2 ′), and of a sensing or...
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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...
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7394242 |
Tachometer with independently mountable rotary and stationary parts for an aircraft wheel
A tachometer for an aircraft wheel mounted on an axle to rotate about an axis of rotation. The tachometer has a stationary part secured to the axle and a rotary part driven in rotation by the...
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7388368 |
Encoder for a position sensor with a stabilizing effect for the passing through zero of the magnetic induction
The object of the invention relates to an encoder for a position sensor, including at least one junction (J) between one so-called small pole (P) and one so-called large pole (G), having an angular...
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7385388 |
Encoder for a movable shaft, a device including such an encoder, and a method of fabricating such an encoder
An encoder comprising a sleeve for holding on a shaft and an encoder element secured to the sleeve. The encoder element presents an encoding zone that is protected by a thin layer of material...
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7377160 |
Sensor arrangement for a tachometer on an automatic transmission of a motor vehicle
A sensor arrangement ( 1 ) for a tachometric sensor of an automatic transmission ( 4 ) of a motor vehicle, which encompasses a module carrier ( 2 ) in which a part of a sensor housing ( 3 ) is...
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7374343 |
Magnetic encoder and wheel support bearing assembly using the same
To provide a magnetic encoder which can be assembled having a thin-walled structure while securing an excellent detection sensitivity and which can provide an excellent moldability by suitably...
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7372253 |
Magnetic field sensor for measuring the rotational speed of a turboshaft
A sensor for measuring the rotational speed of a turboshaft of a turbocharger includes a sensor housing and a sensor element which is positioned in the sensor housing and which senses a variation...
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7370540 |
Rotation angle sensor, in particular for an electrical steering system of an industrial truck
Rotation angle sensor, in particular for an electrical steering system of an industrial truck, in which two magnetic field sensitive sensor elements are arranged on orthogonal axes and a permanent...
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7345469 |
Axle assembly with sensor mount
A vehicle axle assembly having an axle housing, an axle shaft and a sensor. The axle housing has a tubular portion. A flat is formed on an annular wall of the tubular portion proximate a distal end...
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7341257 |
Integrated sensor-seal module for detecting angular position of a crankshaft
A shaft seal/position sensor module assembly includes a carrier body that is mountable on a shaft housing about an opening through which a rotatable shaft extends. A sleeve is mountable on the...
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7336067 |
Sensor assembly, sealing device, and roller bearing apparatus for vehicles having integrated connector and ring
Balls are interposed between respective raceway surfaces of inner and outer ring members, and a seal apparatus is provided between shoulder portions of the inner and outer ring members. The seal...
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7323864 |
Absolute angular position sensor on 360 of a rotating element
An angular position sensor includes a rotating part ( 14 ) which creates a variable magnetic flux, a fixed part ( 16 ) for supporting two probes ( 22, 26 ) each having an output current, the first...
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7323865 |
Device for determining the angular position and rotation speed of a rotary member
A device for determining the angular position and rotation speed of a rotary member. The inventive device includes a sensor having a fixed part and a rotary part which is linked to the rotary...
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7320258 |
Structure of attaching a rotation-detecting sensor
An attaching structure of a rotation-detecting sensor comprises (a) a rotation-transferring medium, (b) a rotation-detecting sensor having (b1) a detection portion that detects a variation in...
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7318589 |
Sealing device and rotation detector
A pulser ring and a second seal ring are separately formed. When a multipolar magnetic rotor of the pulser ring is bonded to an outer circumferential face of an outer cylindrical portion of an...
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7307414 |
Bearing with integrated rotation sensor
To provide a bearing with integrated rotation sensor capable of detecting the rotational speed and the origin position without being affected by an external magnetic field, the bearing includes a...
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7301330 |
Electronic sensing circuit that compensates for reference voltage drift
A sensor (10) has an output coupled to a first comparator input. A control circuit (18) is arranged to switch from an upward tracking mode to a downward relative level detection mode, to a downward...
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7282908 |
Surveying device for the running parameters of railway bearings
Surveying device ( 1 ) for the running parameters of railway contact bearings ( 2 ) which is provided with a rotating race ( 3 ) and a non-rotating race ( 4 ) which are coaxial to a rotation axis...
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7276898 |
Long stroke hall position sensor having a shaped pole
An apparatus having a position sensor for determining a position of a moveable component is provided. The apparatus comprises a housing, a positioning member, a shaped magnetic pole, a magnet, and...
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7276899 |
Positional transducer and motor driven gear changer for a bicycle
A transducer comprising a fixed part and a mobile part which are mounted for relative motion about a given axis. On the shaft of the rotor part there is fitted a magnetized element consisting, for...
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7274188 |
Pulser ring mounting structure including an annular groove formed on a side surface of a brake disk to which the pulser ring is mounted
In a motorcycle, to prevent an increase in the diameter of a hub in association with the mounting of a pulser ring and for increasing the flexibility when arranging a wheel speed sensor. An annular...
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RE39843 |
Apparatus to attach sensors on equipment with rotating shafts
An apparatus for attaching sensors to rotating shafts on equipment includes a cup magnet and a housing for receiving the cup magnet. A target rotor is displaced within the housing which rotates...
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