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| Number | Title | Issue Date |
| 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 transmitter. The method further includes mounting the sensor directly on the sha... | 09/06/2011 |
| 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 detected by an output shaft rotation angle sensor. The control unit control... | 03/23/2010 |
| 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 provided for fixing the grip of the torque wrench. A deflecting mecha... | 09/29/2009 |
| 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 shaft, and a threaded aperture in the axle housing adjacent the cam surfac... | 08/18/2009 |
| 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 detector can detect angular velocities in two axial directions simultaneo... | 12/30/2008 |
| 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 magnetic flux; a detection part for detecting, based on the density ... | 09/30/2008 |
| 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 provided for transmitting the steering input from the input shaft to ... | 08/19/2008 |
| 7398701 | Device and method for determining torques on a turbine shaft A device is described for determining the torque which is applied to a turbine shaft (10), the determination device having at least one system for contactless measurement of the integral torsion of the turbine shaft (10) and a unit for contactless meas... | 07/15/2008 |
| 7363825 | Non-contact position sensor housing using existing torque sensor probe A sensors casing supports torque sensors and the position sensors and segment magneto-sensitive elements to detect the relative rotation between an input shaft and an output shaft and the angular position of the shaftsin a steering column housing. The sensor casing ... | 04/29/2008 |
| 7339297 | Drive for an elevator installation with integrated sensor A drive for an elevator installation which drives a car and a counterweight with supporting and driving belts includes a drive shaft and a drive pulley. A motor is arranged at either side of the drive pulley and is equipped with a signal transmitter. An inner ring o... | 03/04/2008 |
| 7312615 | System and method for communicating calibration data A Force/Torque (FT) sensor includes memory for storing calibration data associated with the FT sensor. Force and torque analog signals are output to a data acquisition (DAQ) system. The digital calibration data is output to the DAQ system as a digital bitstream comp... | 12/25/2007 |
| 7293476 | Power sensor module for engine transmission and driveline applications A power sensor module suitable for automotive and other high volume applications is disclosed. The power sensor module combines a speed sensing and torque sensing operation into a single unit. A power measurement can be derived from torque and speed. Combining torqu... | 11/13/2007 |
| 7293472 | Torque detecting apparatus In a torque detecting apparatus, in each of two flux concentrating rings, a portion along a circumferential direction is raised outward in a radial direction so that a flux concentrating section is provided that has a plate shape extending on one side in an axial di... | 11/13/2007 |
| 7279654 | Current sensor A current sensor for installation on a conductor without breaking the conductor may include an insulating base having a conductor supporting portion and a conductive coil disposed within an outer surface of the insulating base. A magnetically permeable conductor ret... | 10/09/2007 |
| 7267016 | Sensitized ring for use with a sensor A sensitizing ring for sensors having a reduced manufacturing cost and an improved profile shape manufacture with a diameter of 120 mm or less. The sensitizing ring of the present invention is used to measure the rate of rotation and position of a rotating element. ... | 09/11/2007 |
| 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 underneath the wound stator end turns of the stator for the rotating electr... | 09/04/2007 |
| 7260984 | Power generation utilizing tire pressure changes A method of powering one or more electronic devices in a tire monitoring system using a tire pressure based energy scavenger is provided. With this method, a tire is rotated on a surface to generate pressure changes within the tire. These pressure changes are then c... | 08/28/2007 |
| 7255012 | Process fluid flow device with variable orifice A process device providing total fluid flow control is provided. The device includes a closure mechanism disposed in a flow conduit. The closure mechanism, which is preferably an iris-type diaphragm, provides a variable internal diameter. The device includes a diffe... | 08/14/2007 |
| 7257824 | Disk player and worm mechanism for same A worm mechanism for a disk player includes a worm gear securely connected to a rotary shaft of a motor, a worm wheel coupled to the worm gear and further connected to driving mechanisms in the disk player and a radial stopper, wherein the worm gear including a boss... | 08/14/2007 |
| 7249527 | System for sensing absolute torque and a module comprising it A system for determining the absolute torque applied to a rotating shaft includes a sensitive element that is deformable under torsion and a measuring device having first and second coders that are intended to be rotationally fixed, respectively, in the vicinity of ... | 07/31/2007 |
| 7242161 | Control device for motorized power steering device The present invention provides an electric power steering apparatus for controlling a motor based on a current command value calculated from a steering assist command value calculated based on a steering torque generated in a steering shaft and from a current detect... | 07/10/2007 |
| 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 shaft is rotationally offset from the output shaft and a sensing sys... | 07/03/2007 |
| 7235939 | Method for detecting the angular position of a rotor in a brushless electric motor A method for detecting the angular position of a rotor in a brushless electric motor, of the type in which the emission of a polarity signal of the back electromotive force by a detection circuitry associated with the motor, includes the using a bi-directional count... | 06/26/2007 |
| 7233850 | Vehicle steering apparatus An object of the present invention is to provide a vehicle steering apparatus that detects the tire load, and based on the detected tire load, performs steering control which accurately reflects the road conditions. A vehicle steering apparatus of the present invent... | 06/19/2007 |
| 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 shafts. A housing includes an axial bore in which the shafts and coil un... | 06/05/2007 |
| 7222541 | Measuring torsional distortion with an easily applied clip device (saw) A device for measuring torsional distortion of a body comprises first and second clip portions each having a central part and two legs depending from the central part, each leg having adjacent the free end thereof a groove or projection for engaging a respective pro... | 05/29/2007 |
| 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 between the first and second flanges; light emitting elements provided at a... | 03/20/2007 |
| 7168748 | Intelligent, self-contained robotic hand A robotic device has a base and at least one finger having at least two links that are connected in series on rotary joints with at least two degrees of freedom. A brushless motor and an associated controller are located at each joint to produce a rotational movemen... | 01/30/2007 |
| 7155985 | Torque sensor for vehicle steering system A torque sensor for a vehicle steering system includes a voltage boosting circuit that boosts a voltage supplied from a power source, an oscillator, a current amplifier, an inverting current amplifier, first and second coils, first and second resistors, a differenti... | 01/02/2007 |
| 7155984 | Rotational sensor A rotational sensor includes a detection element accommodated in a case and detecting a rotational motion of a rotor located outside the case to output a rotational signal, a terminal physically and electrically connected to the detection element, a connecting membe... | 01/02/2007 |
| 7152491 | Magnetostrictive vehicle weight sensor A vehicle seat weight sensing system includes a plurality of sensors mounted below a seating surface of a vehicle seat. Each sensor includes a tubular inner wall about which are coiled an activation coil and a detection coil. All of the weight of the seating surface... | 12/26/2006 |
| 7146866 | Magnetostrictive strain sensor and method A magnetostrictive strain sensor (10) includes a magnetostrictive core (12) comprising a magnetostrictive material, such as a nickel-iron alloy, able to conduct a magnetic flux and whose permeability is alterable by application of a strain. A conductiv... | 12/12/2006 |
| 7140259 | Expanded plug method for developing circumferential mechanical properties of tubular materials A method for determining the circumferential properties of a tubular product, especially nuclear fuel cladding, utilizes compression of a polymeric plug within the tubular product to determine strain stress, yield stress and other properties. The process is especial... | 11/28/2006 |
| 7134329 | Torque detecting apparatus The present invention provides a torque detecting apparatus that includes a drive plate that is elastically deformable in response to an applied torque, strain gauges, and a torque detecting circuit, and the torque detecting apparatus can accurately detect torque tr... | 11/14/2006 |
| 7116213 | Acoustic wave device with modulation functionality An electronics assembly for integration with a tire structure or in another environment includes a condition-responsive device, an RF source, an antenna, and at least one controllable switching element. The condition-responsive device may comprise at least one acous... | 10/03/2006 |
| 7107861 | Encoder An encoder includes an encoder body adapted to detect the rotation of an object to be measured, a cover that covers a rear part of the encoder body, and a connector that connects an inner circuit of the encoder body to an outer circuit. The connector is mounted on t... | 09/19/2006 |
| 7089808 | Torque sensor for vehicle steering system A torque sensor for a vehicle steering system includes a voltage boosting circuit, an oscillator, an offset voltage circuit part and a current amplifier. The torque sensor further includes a phase inversion part that outputs an offset voltage and a phase-inverted al... | 08/15/2006 |
| 7086295 | Torque detecting apparatus A sensor coil 10 serving as a sensor unit fitted and retained in a sensor retaining hole 32 of a sensor housing 3 and a circuit board 5 stored in a board chamber 30 provided inside the sensor housing 3 are integrated by coat... | 08/08/2006 |
| 7080565 | Dynamic load fixture for rotary mechanical systems A dynamic load fixture (DLF) for testing a unit under test (UUT) includes a lateral load system that applies a time-varying lateral load profile to the UUT drive shaft and an encoder that measures its angular rotation. An isolation stage suitably constrains the enco... | 07/25/2006 |
| 7066035 | Torque measuring device for rotating body A torque measuring device for a rotating body comprises: a rotary section composed of first and second flanges to be joined respectively to driving and driven shafts, and a hollow cylinder having the first and second flanges formed respectively on both edges thereof... | 06/27/2006 |
