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| Number | Title | Issue Date |
| 7806004 | Belt conveying tension measuring system A belt conveying tension measuring system for measuring applied take-up tension on a belt of a bucket elevator or a belt of a conveyor. The tension measuring system includes a center assembly that is used in combination with a pushing assembly and a horizontal stabi... | 10/05/2010 |
| 7431097 | Apparatus and method for injecting tubing into a well The disclosed invention is an apparatus for injecting tubing into a well while sensing wear within the apparatus, along with a method for sensing wear, according to which the tubing is engaged by a chain and the linear motion of the tubing and the chain is sensed. | 10/07/2008 |
| 7093327 | Strap fastener set A strap fastener set, capable of providing a reading of a tensile force exerted thereon, includes a strap fastener for winding a first strap and a gauge provided between the strap fastener and a second strap. The gauge includes a cylinder tied with the second strap.... | 08/22/2006 |
| 5952586 | Device and method for accurately detecting torque of auxiliary device An alternator provides its output current waveform directly or via a current probe to a low pass filter and a high pass filter. The resulting waveform is provided to a half-wave rectifier and a comparator to obtain a rectangular waveform. The arithmetic c... | 09/14/1999 |
| 5898298 | Inductor/capacitor-based measuring system for a moving body A measuring system measures forces, deformations, and movements. The measuring system comprises at least one LC-circuit, at least one power supply for generating a voltage and a current in the LC-circuits, whereby the frequency, the amplitude, and the pha... | 04/27/1999 |
| 5426968 | Arrangement for determining the tension in a chain used in a mineral mining installation A drive station for a mineral mining installation employs a plough box containing a chain wheel around which a drive chain for a mineral winning machine, such as a plough, is entrained. The chain wheel is supported on a shaft rotatably supported by bearin... | 06/27/1995 |
| 5305648 | V-belt drive The V-belt drive has a drive pulley (1) and a power take-off pulley (2) and an endless V-belt (3) rotating around both pulleys (1, 2). This V-belt drive is equipped with a torque measuring device in that an rpm sensor (4, 5) is assigned to both the drive ... | 04/26/1994 |
| 5019017 | Monitoring arrangement for a drive belt In a monitoring arrangement for a belt drive in which a torque produced by a drive motor is transmitted by way of an endless drive belt to a rotary member to be rotated, the drive belt is provided in its longitudinal direction with markings which are adap... | 05/28/1991 |
| 5016478 | Method for measuring the torque transmitted to the driving wheel of a cycle or like vehicle and a device for carrying out said method Detectors consisting of electric strain gages placed on one end of a bicycle wheel spindle and incorporated in the wheel hub are connected to an electric circuit which includes an apparatus for indicating the value of torque transmitted by the wheel. The ... | 05/21/1991 |
| 4909086 | Torque sensor of tension difference type for pulley-belt driving system A torque sensor for a pulley-belt driving system has a belt passed round a drive pulley and a driven pulley. The torque sensor has a frame having opposite ends respectively in contact with first and second parts of the belt, a beam secured to a stationary... | 03/20/1990 |
| 4576041 | Dynamic balancing means for an oil well pumping unit A tension indicator is applied to the belt of a belt driven oil well pumping unit. The pumping unit is driven by an internal combustion engine, and the tension indicator is read for at least one complete cycle of the pumping unit so that the up and down s... | 03/18/1986 |
| 4141245 | Device for the measurement of mechanical work and power Mechanical work and power transmitted through transmission elements such as chain drives is determined by deflecting a transmission element and measuring the distance and/or speed of deflection and the deflection force while the transmission continues its... | 02/27/1979 |
| 3992932 | Torque measuring system A measuring system indicates the tension in a belt which transfers power between driving and driven pulleys. A support member has a pair of idler rollers journalled in the proper positions to pinch the belt, thus providing a force on each idler roller. A ... | 11/23/1976 |
