| Patents for G01L 3 - Measuring torque, work, mechanical power, or mechanical efficiency, in general (8,585) |
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| 09/17/1991 | CA1288973C Flywheel assembly for dynamometers |
| 09/10/1991 | US5046372 Torque sensor |
| 09/10/1991 | US5046371 In-line rotating capacitive torque sensor |
| 09/05/1991 | WO1991013330A1 Method and device for determining the mechanical power of a machine |
| 09/04/1991 | WO1991013832A2 Method and apparatus for measuring strain |
| 09/04/1991 | EP0444575A2 Shielded magnetoelastic torque transducer |
| 09/04/1991 | CA2077085A1 Method and apparatus for measuring strain |
| 08/28/1991 | EP0443534A1 Overload detection system for a machine tool |
| 08/22/1991 | WO1991012504A1 Measurement device on shafts for determining the torque and/or angle of rotation |
| 08/22/1991 | WO1991012377A2 Improvement to mechanisms for manoeuvering marine platforms, method for managing such mechanisms and installation for implementing the method |
| 08/22/1991 | DE4004590A1 Torque measuring device for machine component |
| 08/22/1991 | DE4004589A1 Messvorrichtung an wellen zur bestimmung des drehmoments und/oder des drehwinkels Measuring device for determining the torque on shafts and / or the angle of rotation |
| 08/21/1991 | EP0442091A1 Device for measuring the torque of a rotating or stationary machine part |
| 08/14/1991 | EP0441298A1 Flat belt type chassis dynamometer with compact construction |
| 08/13/1991 | US5039028 Overload protection |
| 08/06/1991 | US5036713 Strain detector |
| 07/24/1991 | EP0437437A1 Device for measuring the torque of a rotating machine part. |
| 07/24/1991 | CN2081526U Multi-functional coupling shaft section type torque and speed transducer |
| 07/23/1991 | US5033314 Force and moment sensor |
| 07/23/1991 | CA1286519C Torque measuring device having dual range load cells |
| 07/16/1991 | US5031455 Bicycle power meter |
| 07/09/1991 | US5029659 Torque detecting apparatus |
| 07/03/1991 | EP0363357B1 Torque sensor, in particular for electric steering mechanisms |
| 07/02/1991 | US5027663 Measuring device for determining the torque of a rotating mechanical part |
| 06/26/1991 | EP0434089A1 Method and device for detection of and protection against the effect of static magnetic fields on magnetoelastic force transducer |
| 06/25/1991 | US5027303 Measuring apparatus for pedal-crank assembly |
| 06/25/1991 | US5025896 Elevator control apparatus |
| 06/25/1991 | CA1285156C Method and device for measuring the transmitted torque of a shaft subject to temperature shifts |
| 06/13/1991 | WO1991008457A1 Process for measuring engine torque |
| 06/11/1991 | US5022275 Strain measuring device employing magnetostriction and having a magnetic shielding layer |
| 06/06/1991 | DE3939927A1 Verfahren zum messen des drehmoments eines motors A method for measuring the torque of a motor |
| 06/04/1991 | US5020378 Device for non-contact measuring of stresses in a bar-shaped body |
| 05/30/1991 | WO1991007644A1 Method for measuring mechanical torque |
| 05/29/1991 | DE3939009A1 Vehicle power measurement and display device - completes power acceleration braking efficiency from measured wt., speed, acceleration, deceleration, brake and other engine data |
| 05/29/1991 | CN2077990U Torque transducer |
| 05/28/1991 | US5019814 Wireless data coupling system and method |
| 05/28/1991 | US5018393 Device for determining torque transmitted in a shaft |
| 05/22/1991 | WO2007068496A1 Sensor |
| 05/22/1991 | EP0427719A1 Inductive coil structure |
| 05/16/1991 | WO1991006840A1 Optically based torsion sensor |
| 05/14/1991 | US5014560 Torque measuring apparatus |
| 04/30/1991 | US5010775 Capacitive sensor of displacement and twist angle sensor including at least one such capacitive sensor |
| 04/23/1991 | US5009110 Torque sensor, in particular for electric steering mechanism |
| 04/17/1991 | EP0422702A2 Magnetoelastic torque transducer |
| 04/17/1991 | EP0422325A1 Method of and apparatus for measuring instantaneous power |
| 04/11/1991 | DE4031444A1 Useful power measurer for engine esp. in commercial vehicle - measures torque exerted by electromagnet of eddy current brake |
| 04/11/1991 | DE3933427A1 Torque measuring device for rotary machine shaft - uses counter-torque exerted on machine housing supported by cross spring linkages |
| 04/11/1991 | DE3933203A1 Torque measuring appts. between driven and drive shaft - contains spring elastic element contg. two open spacing rings enabling accuracy even over small rotation angles |
| 04/10/1991 | CN2074910U Digital display torque measuring instrument |
| 04/10/1991 | CN1050647A Method of producing torque-transmitter shaft |
| 04/04/1991 | WO1991004474A1 Temperature compensation apparatus for torque measuring apparatus |
| 04/03/1991 | EP0420680A2 Energy absorbing device |
| 04/03/1991 | EP0420136A1 Method of producing magnetostriction type torque sensor shafts |
| 04/02/1991 | US5005006 Electronic control for a fluid system |
| 04/02/1991 | US5003829 Energy absorbing device and torque measuring apparatus therefor |
| 03/26/1991 | US5001937 Optically based torsion sensor |
| 03/05/1991 | US4996890 Torque sensor |
| 02/26/1991 | US4995257 Monitor for shaft vibration in an operating turbine |
| 02/26/1991 | US4995139 Torque control system for engine performance test machine for internal combustion engines |
| 02/20/1991 | EP0412959A1 A method for analysing and controlling a cooling process. |
| 02/13/1991 | EP0412780A2 Method and apparatus for measuring vehicle power |
| 02/12/1991 | US4991447 Torque detecting device |
| 02/05/1991 | US4989460 Magnetostriction type torque sensor with temperature dependent error compensation |
| 02/05/1991 | US4989458 Apparatus for detecting torque for oscillation-type electric dynamometer |
| 01/31/1991 | DE3924910A1 Torque measurement sensor mounted on hollow shaft - has magnetic age enclosing magnetic material and coil |
| 01/30/1991 | EP0410133A2 Device for detection of torque transferred in a shaft, especially between a shaft arranged between a test piece and a testing machine |
| 01/24/1991 | WO1991000989A1 Device for measuring torque |
| 01/22/1991 | US4986137 Strain detector with magnetostrictive elements |
| 01/22/1991 | CA1279398C Ultrasonic method and apparatus for detecting leaks |
| 01/17/1991 | DE3922860A1 Messeinrichtung zur bestimmung des drehmoments Measuring means for determining the torque |
| 01/15/1991 | US4984474 Torque sensor |
| 01/03/1991 | DE4019417A1 Positional drive torque adjustment and test arrangement - has frame for drive and bearing-mounted shaft, rigid and separating couplings, force arm and spring balance |
| 01/02/1991 | EP0406004A2 Method of introducing magnetic anisotropy into magnetic material |
| 01/01/1991 | US4982101 Fiberglass collar for data transfer from rotatable shaft |
| 12/29/1990 | WO1991000494A1 Sensor |
| 12/29/1990 | CA2062815A1 Sensor |
| 12/27/1990 | EP0404569A2 Magnetoresistive torque sensor |
| 12/27/1990 | EP0203918B1 Method for performance control at heat pumps or refrigerating installations and arrangement for carrying out the method |
| 12/25/1990 | US4979399 Signal dividing magnetostrictive torque sensor |
| 12/25/1990 | US4979398 Torque measurement circuit |
| 12/25/1990 | US4979397 In-line rotating torque sensor with on-board amplifier |
| 12/19/1990 | EP0403236A2 Improvements in torque sensors |
| 12/19/1990 | EP0402353A1 Overload protection |
| 12/18/1990 | US4977784 Axle spindle load and torque sensing apparatus and method for sensing load and torque |
| 12/18/1990 | US4977782 Device for measuring the torque of a valve moved by an actuator |
| 12/18/1990 | US4977775 Torque transducer |
| 12/11/1990 | US4976160 Process for contactless measurement of mechanical stress and device for carrying out the same |
| 12/09/1990 | CA2017550A1 Torque meter |
| 11/29/1990 | DE3916959A1 Measurement transducer for lengths or spacings in micrometer range |
| 11/27/1990 | US4972728 Torque measuring device |
| 11/27/1990 | US4972727 Torque measure device |
| 11/27/1990 | US4972726 Torque measuring device |
| 11/27/1990 | US4972725 Torsion angle capacitive sensor and torque measuring |
| 11/22/1990 | EP0398768A1 Capacitive displacement sensor and torsional angle sensor using at least one such capacitive sensor |
| 11/20/1990 | US4971859 Adhesively bonded structure between dynamic power detecting element and object to be detected |
| 11/15/1990 | WO1990013799A1 Apparatus and method for measuring load and torque of a vehicle axle |
| 11/14/1990 | EP0396665A1 Power measurement apparatus. |
| 11/14/1990 | CN2065757U Counter magnetostrictive torque transducer |
| 11/13/1990 | CA1276074C Transducer coupling |
| 11/07/1990 | EP0395665A1 Measuring device for determining the torque of a rotating mechanical part. |