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| Number | Title | Issue Date |
| 8054062 | Method and apparatus for amplified variable reluctance speed sensor A method and system for measuring a characteristic of a machine is provided. The system includes a speed sensor including a housing, a variable reluctance sensor (VRS) mounted at least partially within the housing, and a digitization circuit electrically coupled to ... | 11/08/2011 |
| 8054064 | Sensor holder with a wheel bearing apparatus incorporated with a wheel speed detecting apparatus including an annular fitting member in the sensor holder and a seal positioned between the annular fitting member and an outer circumference of an inner ring A sensor holder has an encoder and a wheel speed sensor arranged opposite to the encoder, via a predetermined air gap. An annular fitting member is formed by pressing an anti-corrosive steel plate. A holding portion is formed of injection moldable synthetic resin an... | 11/08/2011 |
| 8054063 | Motorcycle wheel speed transmission mechanism for speedmeter A motorcycle wheel speed transmission mechanism includes a gear housing affixed to the front fork of a motorcycle and having an outside receptacle and an outside sensor mount, a driven gear mounted inside the gear housing and rotatable with the front wheel of the mo... | 11/08/2011 |
| 7960967 | Sealing ring with a pulsar ring for a rotary encoder A pulsar ring for a rotary encoder has a mounting ring (1) made of a non-magnetic material, with one end being fixed to an inner ring (202) at the rotation side and the other end being positioned in proximity to an outer ring (201) at the statio... | 06/14/2011 |
| 7915886 | Magnetic speed, direction, and/or movement extent sensor A first magnetic sensor produces a first output signal in response to movement of a target such as a multi-pole ring magnet, and a second magnetic sensor produces a second output signal in response to movement of the target. The first and second magnetic sensors may... | 03/29/2011 |
| 7834616 | Magnetic speed, direction, and/or movement extent sensor A first magnetic sensor is formed on a semiconductor substrate, and the first magnetic sensor produces a first output signal in response to movement of a multi-pole magnet. A second magnetic sensor is formed on the semiconductor substrate so as to be intertwined wit... | 11/16/2010 |
| 7825653 | Rotation detection device and bearing having rotation detection device To provide a rotation detecting system of a type having a high detecting resolution, in which the rotational position can be detected accurately, in which a sufficient gap can be secured between the sensor and the rotating body and which is effective to simplify ass... | 11/02/2010 |
| 7746064 | Speed measurement for an electrical permanent-magnet synchronous machine The invention relates to a speed measurement device (1, 2) for a permanently excited electric synchronous machine (5, 7) comprising a first part (11, 13) and a second part (15, 17). The invention also relates to a corresponding method for... | 06/29/2010 |
| 7737682 | Wheel speed detecting apparatus and a wheel bearing apparatus incorporated with a wheel speed detecting apparatus A wheel speed detecting apparatus incorporated with a wheel bearing apparatus. The wheel speed detecting apparatus has an encoder, and an annular sensor holder arranged opposite to the encoder. The sensor holder has an annular fitting member formed from a steel plat... | 06/15/2010 |
| 7728582 | Pulsar ring of a magnetic rotary encoder having a pulsar main body with a guide portion To hold a pulsar ring (1) of a magnetic rotary encoder well concentrically by a pressure inserting jig (4) when the pulsar ring is installed on a rotary body (3), the pulsar ring (1) comprises a metallic annular holder (10) and a p... | 06/01/2010 |
| 7692422 | Bearing assembly having rotation sensor and mounting structure to support sensor cap and connector A wheel support bearing assembly includes an outer member inserted in a knuckle, an inner member made up of a hub axle, double rows of rolling elements, and a cover closing an opening of one end of the outer member. The cover includes a sensor connector and a sensor... | 04/06/2010 |
| 7683609 | Method of producing a rotation detection sensor A vehicle wheel speed sensor 10 includes a cover member 21 having a mounting hole 26, a detection unit 31, a connector terminal 38, and a connector 61. The connector 61 is arranged on a surface of the cover member ... | 03/23/2010 |
| 7671581 | Magnetic pulse generator for measuring wheel revolutions on bicycles A magnetic pulse generator for measuring wheel revolutions of bicycles includes a magnet and an attachment device for attaching the magnet to a component (or spoke) of a wheel. Damage to the component to which attachment is to take place is to be prevented, and the ... | 03/02/2010 |
| 7671582 | Magnetic encoder and roller bearing unit having magnetic encoder The magnetic encoder is constituted by integrally bonding a magnet portion obtainable by forming a magnetic material containing a magnetic powder and a binder for the magnetic powder in a circular ring shape to a slinger. The binder contains at least a thermoplastic... | 03/02/2010 |
| 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 against the sleeve and a layer of elastomer is overmolded and adherized ... | 12/15/2009 |
| 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 multipolar magnet. The multipolar magnet is prepared from a sintered el... | 09/22/2009 |
| 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 rotational number with high accuracy, and a hub unit bearing ... | 09/22/2009 |
| 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 circumference, without using a magnetizing head of a special shape havi... | 03/24/2009 |
| 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. The modulation unit modulates an information signal representing inform... | 12/16/2008 |
| 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 magnetic flux generated by a rotation of the portion to be detected, a... | 11/18/2008 |
| 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 for generating a magnetic field, an IC chip with a magnetic detectio... | 10/28/2008 |
| 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 bicycle brake is configured to be mounted to a bicycle frame. The sensor ... | 10/21/2008 |
| 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 signals and an electric computing unit that calculates an angular spe... | 10/14/2008 |
| 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 element provided in a housing, the housing also having one magnetic fiel... | 09/09/2008 |
| 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 detection element mounted in the hollow body and adjacent ... | 07/29/2008 |
| 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 wheel. The stationary part and the rotary part are mountable independently... | 07/01/2008 |
| 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 the sensing system housing. A coil is positioned about at least a por... | 07/01/2008 |
| 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 width larger than the angular width of the small pole, the small pol... | 06/17/2008 |
| 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 deposited by plasma directly on the encoder element and secured thereto, t... | 06/10/2008 |
| 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 integrated. The sensor housing (3) is secured ... | 05/27/2008 |
| 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 selecting materials, the magnetic encoder is provided which includes a mu... | 05/20/2008 |
| 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 of a magnetic field caused by the rotation of the turboshaft. In order... | 05/13/2008 |
| 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 magnet is attached to a shaft extending through the axis intersection... | 05/13/2008 |
| 7365535 | Closed-loop magnetic sensor system A closed loop magnetic sensor system for measuring an input magnetic field from a magnetic field source has a compensation circuit, which can be for example a printed wire board, and a magnetic sensor, such as a Magnetoresistive (MR) sensor, for measuring an input m... | 04/29/2008 |
| 7355388 | Rotation detecting device using magnetic sensor A rotation detecting device is provided that detects the rotation of a rotating object by means of a biasing permanent magnet and multiple sensor chips. The sensor chips are disposed on front and back sides of a mounting chip along the rotation direction of the rota... | 04/08/2008 |
| 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 whereby the angle deviation forms a function of the torque applied on the m... | 03/25/2008 |
| 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 of the tubular portion. A hole, which intersects the flat, is formed... | 03/18/2008 |
| 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 shaft and carries a multi-pole encoder ring having a radially outwardly f... | 03/11/2008 |
| 7341321 | Rotation detecting device and anti-skid braking system using the same A rotation detecting device that includes an electric power generator having a stator and a rotor, said rotor having a plurality of alternating opposite magnetic poles in a circumferential direction of the rotor, at least a first magnetic sensor mounted on either th... | 03/11/2008 |
| 7338263 | Method and apparatus for compressor re-manufacture In a method of repairing a scroll compressor, the casing 100 of the compressor is cut open by making two transverse cuts through the casing to give access to the internal components of the compressor. The casing 100 is then resealed, using two annular ... | 03/04/2008 |
