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| Number | Title | Issue Date |
| 8141438 | Cassette-based power meter A cassette-based power measuring apparatus includes a power sensing arrangement mounted within a cavity defined by a hollow bicycle cassette. The power sensing arrangement includes a torque sensing assembly including torque sensing elements configured to measure a u... | 03/27/2012 |
| 7845243 | Torque sensor assembly A torque sensing assembly (10) includes a first sensor assembly (50) configured for sensing at least a portion of a magnetic field of a first portion (22) of a rotating shaft assembly (12) and generating a first signal (52). A seco... | 12/07/2010 |
| 7775128 | Cassette-based power meter A cassette-based power measuring apparatus includes a power sensing arrangement mounted within a cavity defined by a hollow bicycle cassette. The power sensing arrangement includes a torque sensing assembly including torque sensing elements configured to measure a u... | 08/17/2010 |
| 7681462 | System and method for measuring interaction of loads A test system for measuring a rotary load comprises a stepper motor drives a gear box that is mounted at one end of a frame. A torque sensor provides a measurement signal transmission. The gear box's output shaft is connected to one of the torque sensor's stubs by m... | 03/23/2010 |
| 7506552 | Micro torque and micro stiffness measurement device In a method and apparatus for testing a head-gimbal assembly (HGA), a HGA is placed in contact with force transducers mounted on a rotational stage. The force transducers are adjusted to position the transducers around a rotational center of the rotational stage. Th... | 03/24/2009 |
| 7500407 | Torque sensor A torque sensor for measuring a torque at a predetermined location of a structural element, in particular of a prosthesis, can be arranged outside the measurement location by virtue of the fact that it is constructed as a sensor structure (13, 13′, 23) that... | 03/10/2009 |
| 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 |
| 7380464 | Out-of-plain strain elimination acoustic wave torque sensor A torque sensor is disclosed based on a SAW die configured on a surface of a plate, and an isolator formed from a flexible material. The isolator is rigidly mounted to the plate, such that the isolator flexes when a force perpendicular to the surface of the plate ar... | 06/03/2008 |
| 7367250 | Digital beam torque wrench A digital beam-type torque wrench has a main beam and a stationary beam having a distal end thereof fixedly attached at or near a distal end of the main beam. A sensing assembly is disposed generally at a proximal end of the main beam and includes a displacement sen... | 05/06/2008 |
| 7336462 | Alternator and starter tester protection apparatus and method An method and apparatus testing an alternator and/or starter assembly including a power source for energizing the alternator and/or starter, a computer processor for monitoring electrical current supplied to energize the alternator and/or starter wherein the compute... | 02/26/2008 |
| 7313974 | Support for electrical/electronic structure and/or electrical power supply structure for a hand dynamometer tool, in particular for a torque wrench operating by breaking mechanical equilibrium A support is for supporting electrical and/or electronic structure and/or electrical power supply structure for a hand dynamometer tool, in particular for a torque wrench operating by breaking mechanical equilibrium. A body of a substantially cylindrical shape that ... | 01/01/2008 |
| 7302864 | Torque sensor A plurality of acoustic wave sensing devices can be provided, which are mechanically simulated for implementation upon a quartz wafer substrate. The quartz wafer substrate is appropriately etched to produce a quartz diaphragm from the quartz wafer substrate. A plura... | 12/04/2007 |
| 7300041 | Vertical alternator holding apparatus and method for alternator testing An apparatus for supporting an alternator for testing uses a supporting pin mounted to extend in a first direction relative to the alternator. A first holding pin extends in a second direction relative to the alternator, and has two ends with a first end having a bo... | 11/27/2007 |
| 7292028 | Apparatus for sensing the absolute-value angle of a shaft An apparatus serves to sense the absolute value of the rotational position of a shaft (14). The apparatus has a first single-turn rotary encoder (30) that is arranged at one end (20) of the shaft (14) and is arranged to sense the latter's... | 11/06/2007 |
| 7287439 | Apparatus for measuring torque of a torque tool by using an indirect structure The invention provides an apparatus for measuring torque of a torque tool by using an indirect structure arranged on one side of the torque tool, in which the apparatus comprises a microstructure part connected with a side surface of the torque tool. The microstruct... | 10/30/2007 |
| 7281438 | Torque measuring apparatus A torque measuring apparatus is described that comprises a chassis, a reversible electrical motor having a motor housing and a rotatable output shaft projecting from one end of said motor housing, motor mounting means mounting said motor housing for rotation relativ... | 10/16/2007 |
| 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 |
| 7213449 | Flat track chassis dynamometer A chassis dynamometer for use with a test vehicle such as a snowmobile is provided. First and second spaced apart rolls support the test vehicle. A belt is arranged around the first and second rolls and rotationally couples the rolls to one another. The belt include... | 05/08/2007 |
| 7212911 | Alternator and starter tester apparatus and method An alternator and starter tester system is provided that includes a protective hood or cover, a controller connecting an LCD touch-screen, an alternator main harness connector, a starter harness self-test connector, a barcode connector, USB host and USB function con... | 05/01/2007 |
| 7201044 | Torque sensor integrated with engine components A torque sensor system and method. An automotive engine is located opposite a torque converter, such that a shaft extends from the engine and interacts with the torque converter. A target is located between the engine and torque converter. One or more torque sensors... | 04/10/2007 |
| 7199691 | Flat resolver A flat resolver, which has a magnetic path forming a magnetic flux effectively linking to a secondary winding and a detection winding and has a uniform gap between a stator portion and a movable portion so that a resolver signal can be output with high precision, is... | 04/03/2007 |
| 7187309 | Angle computation method and apparatus for variable reluctance resolver In an angle computation method and apparatus for a variable reluctance resolver, the maximum values Vsin(max) and Vcos(max) of sine and cosine output voltages in respective positive value ranges and the minimum values Vsin(min) and V... | 03/06/2007 |
| 7184930 | Method and device for monitoring status of mechanical equipment and abnormality diagnosing device An abnormality diagnosis system for diagnosing a presence or absence of an abnormality of a bearing unit for a railway vehicle axle, comprises a sensing/processing portion for outputting a signal generated from the bearing unit as an electric signal, a calculating/p... | 02/27/2007 |
| 7170282 | Rotation detector A rotation detector designed to prevent line disconnection from being caused by an abrupt thermal change, comprising cores (10, 30) arranged inside a cylindrical housing (1), pins (15a, 15b; 35a, 35b,... | 01/30/2007 |
| 7162916 | Method and system for determining engine cylinder power level deviation from normal Individual cylinder output deviations from a normal operating engine cylinder are detected via an analysis of crank shaft speed fluctuations. In the detection phase, the engine is operated at a steady state low idle condition, and engine speed data is collected over... | 01/16/2007 |
| 7150186 | Door interlock apparatus and method for alternator/starter bench testing device An apparatus and method for testing vehicle motor rotary accessory devices has a base and a housing assembly connected to the base. A mounting component is attached to the base. The apparatus includes a door cover which is rotatably attached to a side of the housing... | 12/19/2006 |
| 7112159 | Continuously variable transmission A continuously variable transmission is disclosed for use in rotationally or linearly powered machines and vehicles. The transmission provides a simple manual shifting method for the user. Further, the practical commercialization of traction roller transmissions req... | 09/26/2006 |
| 7107862 | Torque sensor assembling method, torque sensor and electric power steering device A method of assembling a torque sensor includes the steps of fixing a first inner coil portion at one end side of a torsion bar, fixing a second inner coil portion at an other end side of the torsion bar, measuring an angle difference between an angle of the first i... | 09/19/2006 |
| 7096746 | Method for determining the power of a test specimen, measuring device, and power test bench for the test specimen A method for determining the power of a test specimen, in particular of an internal combustion engine, includes a measuring device for registering the time profile of the rotational speed of an output shaft of the test specimen. To determine the power at a specific ... | 08/29/2006 |
| 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 |
| 7007560 | Combined torque measurement and clutch apparatus A method of using a magnetic fluid clutch for torque measurement comprises steps of modulating electric current through a coil of the magnetic fluid clutch to maintain a steady-state quasi-solid phase of a magnetic fluid medium contained within the magnetic fluid cl... | 03/07/2006 |
| 6986292 | Method for determining the power of a test specimen and power test bench for the test specimen A method for determining the power of a test specimen, in particular of an internal combustion engine, includes registering a time profile of the rotational speed and of the torque characteristic of an output shaft of the test specimen with a measuring device. To de... | 01/17/2006 |
| 6957713 | Steering angle detection device for electric power steering apparatus In a steering angle detection device for an electric power steering apparatus, a steering wheel shaft rotation angle is derived by calculating a rotation angle signal which corresponds to a rotation angle of a steering wheel shaft within a single rotation, based upo... | 10/25/2005 |
| 6955096 | Monitoring the axial load acting on the hub of a motor vehicle wheel In a hub-bearing assembly for the wheel of a motor vehicle, the hub (1) forms integrally or is fixedly secured to a radial flange (7) fixable to a wheel (8). Associated with the assembly is a measuring device (14) mounted to a non-rotatin... | 10/18/2005 |
| 6952973 | Method for attaching a torque measuring device In a method for fastening a torque measurement device for detecting a relative torque between an input shaft and an output shaft of a steering system, e.g., of a rack-and-pinion power-assisted steering system, the torque measurement device is integrally formed local... | 10/11/2005 |
| 6938511 | Drive device for a motor vehicle sunroof In a drive device, especially for a sunroof of a motor vehicle, with an electric motor (10) which has a pole shaft (16) located in a shaft housing (32), and a magnet (30) which is mounted on the pole shaft so as to rotate with it, and at ... | 09/06/2005 |
| 6932033 | System and method for improving VCT closed-loop response at low cam torque frequency Known method suitable for implementation in a computer program product for VCT closed-loop control system generally includes an integrator to eliminate the steady state error. A novel method suitable for implementation in a computer program product includes a set po... | 08/23/2005 |
| 6928885 | Torque-indicating wrench A torque-indicating wrench comprises a wrench body including a head to engage and turn a workpiece, and a stem having two outer longitudinal wall segments. A strainable body made of a material with an elasticity modulus smaller than that of the stem has a gage carry... | 08/16/2005 |
| 6925863 | Method and apparatus for learning an initial value of hydraulic pressure for upshift control of an automatic transmission When a delay period (torque phase period) from a shift start point to a shift begin point of an automatic transmission becomes excessively long, an initial value of hydraulic pressure is forcibly learned such that the torque phase period remains at an appropriate le... | 08/09/2005 |
| 6843141 | Hand-held power tool with a torque cut-off device A hand-held power tool includes a torque cut-off device (2) for presetting a torque of the driving shaft (3) of the hand-held power tool and formed as a control device (4) having a rotatable control sleeve (5) including a control cam (... | 01/18/2005 |
