| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 073100090 | Torque | 26 |
| 20090007623 | Device for determining the rotation angle of a shaft in an aircraft - A device for determining the rotation angle of a shaft in an aircraft, the device having a shaft and a motor operable to rotate the shaft to operate a component and to detect first rotation data of the shaft. The device also includes a position pickup unit designed to detect second rotation data of the shaft, and a synchronization unit for synchronizing the first rotation data with the second rotation data. | 01-08-2009 |
| 20090013752 | Method and apparatus for diagnosing motor-operated valve - A diagnostic method and apparatus for diagnosing a motor-operated valve capable of continuously measuring a preload of a spring cartridge at low costs, with high accuracy, and with ease, so that the elastic characteristics of the spring cartridge may be easily calibrated in a simple manner. The method and apparatus is for diagnosing a motor-operated valve including a valve disc | 01-15-2009 |
| 20090255320 | APPARATUS FOR CALIBRATION OF FLUID-OPERATED POWER TORQUE TOOLS - An apparatus for calibration of a fluid-operated power torque tool having a housing and a drive has a non-turnable torque measuring unit for measuring a torque generated by the tool, a non-turnable abutment unit, a first connecting element configured for connecting the drive of the tool with the torque measuring unit, for measuring a torque generated by the tool when a fluid pressure is applied to the tool, an adjustable braking unit configured for providing an adjustable braking force, a second connecting element configured for connecting the housing of the tool with the adjustable braking unit to apply the adjustable braking force to the housing so as to increase a turning resistance to turning of the housing of the tool, so that when the tool is operated the housing of the tool starts turning at a force determined by the braking unit while the drive of the tool apply an opposite and equal force to the measuring unit, so that when the braking force is increased a fluid pressure required for the tool increases and the tool can be calibrated, by determining the generated torque that corresponds to the applied fluid pressure, without inertia. | 10-15-2009 |
| 20100307218 | TORQUE-MEASURING DEVICE, TORQUE-MEASURING FLANGE AND TORQUE-MEASURING METHOD - In order to minimize the risk of artifacts in a torque measuring device, a torque measuring flange and a torque measuring method, the invention proposes that the evaluation device has means for storing a variable which is proportional to a freewheel torque and means for compensating a measured value with the stored variable. | 12-09-2010 |
| 20110167890 | Method and device for calibrating a torque measurement unit - To fulfill the high requirement of precision in a test stand environment, a method and a device for calibrating a torque measurement unit is proposed, with which a calibration process can be performed very easily, flexibly and precisely, and simultaneously, the safety requirements can be met as well. To do so, a torque measurement unit | 07-14-2011 |
| 20110214477 | TORQUE CALIBRATING SYSTEM - Generally, the subject matter disclosed herein relates to torque calibrating systems. A torque calibrating system includes a torque arm having a first end and a second end, a stem positioned proximate the first end of the torque arm, the stem adapted to be removably and operatively coupled to a power tong, and a load cell adapted to be positioned proximate the second end of the torque arm. | 09-08-2011 |
| 20110219851 | ROTARY ANGLE AND ROTARY TORQUE SENSING DEVICE - A rotary-angle and rotary-torque sensing device includes a first rotator rotating together with a steering shaft, a second rotator rigidly mounted to the first rotator, a rotary torque sensor for sensing rotary torque generated between the first rotator and the second rotator, a first sensor rotating together with the first rotator, a second sensor rotating together with the second rotator, a rotary angle sensor for sensing rotary angles of the first sensor and the second sensor, and a controller for detecting rotary torque by using the rotary torque sensor and the rotary angle sensor. | 09-15-2011 |
| 20110239729 | DEVICE WITH REPLACEABLE ELEMENTS FOR CALIBRATING SCREWERS - A test device for screwers, comprises a transducer ( | 10-06-2011 |
| 20110308295 | AUTOMATIC TORQUE CALIBRATION DEVICE - The present invention provides an easy-of-use torque calibration device capable of improving workability and safety and attaining reduction in time of a torque calibration in calibrating a torque of a dynamometer. That is, the present invention includes a connecting shaft coaxially connected to a torque measurement rotor, a calibration arm integrally rotated with the connecting shaft, a plurality of calibration weights for applying loads to both ends of the calibration arm, a moving mechanism to move the connecting shaft between a connection position and a spaced position, and a rotating direction fixing mechanism for fixing the torque measurement rotor and the connecting shaft in the rotating direction at the connection position, and a control unit controlling the moving mechanism. | 12-22-2011 |
| 20120210767 | METHOD AND APPARATUS FOR CALIBRATING A TORQUE MEASUREMENT - According to one aspect of the invention, a method for calibrating a torque measurement for a rotatable object is disclosed, wherein the method includes coupling the rotatable object to a structure, the structure including a member extending along a length of a surface of the rotatable object, coupling the rotatable object to an adapter and applying a known torque to the rotatable object via the adapter. The method also includes measuring a first rotational displacement via a first sensor coupled to the member at a first axial location of the rotatable object, measuring a second rotational displacement via a second sensor coupled to the member at a second axial location of the rotatable object and determining first and second angular displacements of the rotatable object based on the first and second rotational displacements. | 08-23-2012 |
| 20130327119 | METHOD FOR CALIBRATING A TORSION TORQUEMETER - A method for calibrating a torsion torquemeter including: placing a torsion torquemeter in a first state; performing first measurements determining first and second angular offsets, and measuring torque output by the power shaft using a reference torquemeter; placing the torsion torquemeter in a second state; performing second measurements determining the first and second angular offsets, and measuring torque output by the power shaft; placing the torquemeter in a third state; performing third measurements determining the first and second angular offsets, and measuring the torque output by the power shaft; placing the torquemeter in a fourth state; performing fourth measurements determining the first and second angular offsets, and measuring the torque output by the power shaft; calibrating the calculation unit based on the first, second, third, and fourth measurements. | 12-12-2013 |
| 20140109643 | WIRELESS TORQUE MEASUREMENT SYSTEM TUNING FIXTURE - An assembly for use in tuning a wireless torque measurement system includes a support platform, a non-metallic rotor mount structure, a stator mount structure, and an actuator. The non-metallic rotor mount structure is rotationally mounted on the support platform and is configured to rotate about a rotational axis. The actuator is coupled to the support platform and to the stator mount structure, and is configured to selectively move the stator mount structure along a first translational axis that is parallel to the rotational axis. | 04-24-2014 |
| 20140123725 | METHOD AND APPARATUS FOR MEASURING HELICAL PILE INSTALLATION TORQUE - Embodiments of the subject invention are directed to a method and apparatus for measuring torque applied during installation of a helical pile. Specific embodiments relate to a helical pile installation torque measuring and monitoring system for use during helical pile installation. In a specific embodiment, a load cell pin, or torque pin, is incorporated into the drive head and equipment attachment to measure the direct forces, or torque, that is being applied by the drive head as the helical pile is rotated into the ground. The direct forces, or torque, are relayed to a data capturing device, which records the data and, optionally, displays one or more of the following: the forces, the torque created by the forces, the inclination angle of installation, and the downward, or longitudinal, force applied to advance the helical pile. | 05-08-2014 |
| 20140345357 | TORQUE CALIBRATING SYSTEM - Generally, the subject matter disclosed herein relates to torque calibrating systems. A torque calibrating system includes a torque arm having a first end and a second end, a stem positioned proximate the first end of the torque arm, the stem adapted to be removably and operatively coupled to a power tong, and a load cell adapted to be positioned proximate the second end of the torque arm. | 11-27-2014 |
| 20160131549 | Dynamometer Calibrator for Wheelchair, Dynamometer for Wheelchair Including Same, and Method for Calibrating Dynamometer for Wheelchair Using Same - A calibration apparatus for a wheelchair dynamometer include a body, a motor, a sensor, a wheel and a controller. The motor may be installed at the body to generate a torque. The sensor may be configured to measure a torque or a revolution per minute (RPM) generated from the motor. The wheel may be rotated by the torque. The controller may be configured to control the torque or the RPM generated from the motor and display a torque or a RPM measured by the sensor. | 05-12-2016 |
| 073100110 | Electrical | 1 |
| 20100050731 | ANGLE MEASUREMENT SYSTEM - An angular position measurement system including a continuous angular position sensor configured to provide a first signal representative of a continuous angular position of a rotating shaft, an incremental angular position sensor configured to provide a second signal representative of incremental angular positions of the rotating shaft, and a controller configured to calibrate the first signal based on the second signal to provide a third signal representative of a calibrated continuous angular position of the rotating shaft. | 03-04-2010 |
| 073100120 | Wrench | 10 |
| 20080271515 | Device and method for testing torque wrenches - The present invention is directed towards inexpensive and reliable devices and methods for testing the calibration of torque wrenches. | 11-06-2008 |
| 20120031161 | ELECTRONIC TORQUE WRENCH CALIBRATION DEVICE AND USING METHOD THEREOF - An electronic torque wrench calibration device is for calibrating a torque value and a pivot angle of an electronic torque wrench. The electronic torque wrench calibration device includes a base, a driving member, a torque setting member and a dial plate. One end of the driving member is driven by a electronic torque wrench, and the other end of the driving member is pivotally connected to the base. The torque setting member is disposed on the base. The torque setting member provides the driving member with a predetermined resistance against a pivotal rotation. The dial plate is pivotally disposed on a surface of the base and linked with the driving member. The dial plate includes a plurality of angular scale markings located on a surface of the dial plate. | 02-09-2012 |
| 20120055227 | METHOD OF OBTAINING SAME WRENCH TORQUE BY CALIBRATION BY TESTING DIFFERENT FORCE EXERTION POINTS ON HAND GRIP OF ELECTRONIC TORQUE WRENCH AND ELECTRONIC TORQUE WRENCH THEREOF - An electronic torque wrench calibration method includes providing test rod for simulating wrench body and support plate for simulating hand grip wherein on either side of the support plate there are provided at least two test points and an intermediate reference point; securing sensor to a stress gauge; placing two weights on the reference points and setting a count to one; recording torque as standard value; placing a weight on a respective one of the test points; recording torque as test value; comparing the test value with the standard value and obtaining an error; increasing bores of the adjustment holes if the error is greater than one prior to looping back to weight placing step; and ending the method by determining whether a predetermined count has been reached, and otherwise placing the weight on another respective one of the test points prior to looping back to test value recordation step. | 03-08-2012 |
| 20120055228 | ACTUATING DEVICE FOR CALIBRATING TORQUE/ANGLE WRENCHES - An actuating device for calibrating torque/angle wrenches encompassing a torque measuring system, includes at least a means for accommodating the torque/angle wrench, a torque actuator for applying a torque to the torque/angle wrench, and a torque sensor for detecting the torque. Provision is made for a rotation angle measuring system for rotating the torque measuring system in such a manner that a rotation of the torque/angle wrench about a rotation angle can be measured in addition to the measuring of a torque in the torque/angle wrench. | 03-08-2012 |
| 20140338419 | TORQUE WRENCH CAPABLE OF CORRECTING TORQUE AND TORQUE CORRECTION METHOD THEREOF - A torque wrench includes a mechanical structure and an electronic structure. The mechanical structure includes a tubular body, a flexible rod, an abutment member, an elastic member, a trip mechanism, an adjustment mechanism and a mechanical scale indication mounted in the tubular body for indicating the set torque of the wrench. The electronic structure includes at least one torque sensor and a display unit. When correcting the torque value of the mechanical structure, a force is applied to the wrench and the torque sensor detects the trip torque value of the wrench. The torque value of the mechanical structure is adjusted to match the torque value detected by the torque sensor so as to eliminate the error of the torque value of the mechanical structure. | 11-20-2014 |
| 20140352398 | device and method for checking an assembly wrench - A method for checking an assembly wrench, having an integrated angular measuring device, includes: fixing the assembly wrench in a rotatable fixing device; activating the angular measuring device integrated in the assembly wrench; rotating the fixing device by at least one specified angle; reading off the angle of rotation measured by the angular measuring device integrated in assembly wrench; and comparing the angle of rotation measured by the angular measuring device integrated in the assembly wrench to the specified angle, by which the fixing device has been rotated. | 12-04-2014 |
| 20150323407 | DEVICE AND METHOD FOR CHECKING AN ASSEMBLY WRENCH - A device for testing an assembly wrench has a tool holder, and a drive element includes a fixing device which is configured to fix the tool holder. A receiving device is configured to receive and fix the drive element and may be pivoted over an arc, and at least two stops are disposed along the arc and are configured to arrest the receiving device in one defined position at a time. | 11-12-2015 |
| 20150369686 | TORQUE WRENCH CALIBRATION - A calibration rig ( | 12-24-2015 |
| 20160123832 | Device for Calibrating a Torque Wrench - A device for calibrating a torque wrench includes a base plate, a strain gauge, a display, a cup, a rod and a ring. The strain gauge is non-rotationally connected to the base plate. The display is electrically connected to the strain gauge. The cup is non-rotationally connected to the base plate. The rod is non-rotationally connected to the cup. The ring is inserted in the cup so that the ring and the cup together define an annular gap for tightly receiving a socket. | 05-05-2016 |
| 20160161354 | CALIBRATION TOOL FOR TORQUE WRENCH - A calibration tool for a torque wrench includes a measuring head and a deflecting lever. On the deflecting lever are a signal processing unit, a communication unit and a calibration unit. The measuring head has a transducer configured to have a head portion of the torque wrench coupled thereto. The transducer generates measured signals during the calibration. The deflecting lever is provided for exerting a torque on the head portion of the torque wrench. The signal processing unit is electrically coupled to the transducer for processing the measured signals of the transducer. The communication unit associates with a data storage of the torque wrench for a data exchange therebetween. And the communication unit reads out the data storage of the torque wrench for obtaining a preset torque of the torque wrench for a release. The calibration unit calibrates the torque wrench by comparison of the torque exerted in the moment of the release to the preset torque at the torque wrench. | 06-09-2016 |
