Matches 1 - 36 out of 36

CobaltIP-faceted-search-demo
Match Document Document Title
7395724 Torque sensor packaging systems and methods  
A torque sensor packaging system and method includes a torque member that includes one or more holes formed therein for receiving one or more respective fasteners associated with a sensing element....
7389162 Aircraft vehicular propulsion system monitoring device and method  
Methods and systems for monitoring rotating shaft shafts and couplings in an aircraft propulsion system is described. The measurement system/method provides for accurate and precise monitoring of a...
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...
7021161 Gear bearing for a steering wheel position sensor  
An improved conventional steering wheel position sensor including a housing, a main gear, an auxiliary gear enmeshed with the main gear and a ring shield at the auxiliary gear. A ring shield wall...
6997065 Torque measurement apparatus  
Torque in a shaft is detected by means of non-contacting sensors sensing a torque-dependent magnetic field emanated by an integral transducer region of the shaft that is circumferentially or...
6871553 Integrating fluxgate for magnetostrictive torque sensors  
A torque sensing apparatus for picking up a magnetic field of a magnetostrictive material disposed on a shaft, the torque sensing apparatus having: a first integrating ring; a second integrating...
6807871 Torque detector  
Disclosed herein is a torque detector. The torque includes a synchronous detector, a bridge circuit and a signal converter. The synchronous detector detects an AC voltage signal having a preset DC...
6601462 Capacitive torque sensor and method of detecting torque  
A dielectric layer 32 variable in dielectric constant in dependence upon the strain is formed on at least a part of an outer peripheral surface of a bar 31 having a circular cross section....
5442956 Torque sensor for a power assist steering system  
A torque sensor is presented for use in a power assist steering system for sensing the applied steering torque between an input shaft and an output shaft and wherein the shafts are coaxially...
4977782 Device for measuring the torque of a valve moved by an actuator  
In order to measure torques on valves, measuring devices have heretofore been used which measure the force to be transmitted with the aid of weighing cells fitted with strain gauges. The structural...
4763533 Method and device for measuring the deformation of a rotating shaft  
The method and apparatus for deriving a calibrated deformation signal from a signal produced by a strain gauge bridge on a rotating shaft involves further strain gauge bridges, one approximating...
4741217 Magnetic field coupling circuit and rotary transducer using same  
An improved electromagnetic coupling circuit (16) is provided that features a rotor (18) carrying rotary windings (39) rotated by a rotary member (2) within an annular air gap (41) between two...
4649758 Torque sensing apparatus  
A rotary shaft (13) is fitted with strain gauges (17) in a bridge formation arranged to give a response to torque. Windings (18a, 19a) surround the shaft at axially spaced zones and rotate with it,...
4627296 Shunt calibration system for a transducer mounted on a rotating member  
A rotary transformer transducer system includes a rotatable shaft having a rotor and a transducer each mounted thereon, and a stationary member including a stator, with the rotor and stator...
4610168 Variable magnetic field coupling circuit and rotary transducer using same  
An improved rotary transducer (60) featuring a rotary member (2) rotatably mounted in a housing (4). Member (2) is preferably provided with a section (8) adapted to enhance measurement of stresses...
4567377 Mechanical switching means for providing shunt calibration in a rotary transformer system  
A system for calibrating a strain gage transducer mounted on a rotating member comprising a mechanical switch capable of making contact from a stator to selected terminals on the rotor to provide...
4496286 Control system for engine-driven compressor unit and method of operation thereof  
A control system for a compressor unit driven by a clean-burn, turbo-charged, gas-fueled engine which is primarily responsive to the load (torque) and the speed of the engine to adjust certain...
4471663 Drilling torquemeter  
The present invention is a torquemeter for measuring the torque applied during drilling operations. The torquemeter is of generally flat annular form and adapted to be positioned in the drive train...
4232922 Signal power coupling to rotary shaft  
A system for coupling electrical power to a rotary shaft without mechanically contacting the shaft includes a stationary transformer primary core positioned adjacent but spaced from the shaft so...
4059005 Rotary transformer shunt calibration  
A rotary transformer transducer system includes a rotatable shaft having a rotor and a transducer each mounted thereon, and a stationary member including a stator, with the rotor and stator...
3961526 Rotary torquemeter  
A rotary torquemeter utilizing a rotary transformer means in conjunction with a strain gauge for indicating torque being transmitted through a drive means. The use of the rotary transformer permits...
3877300 Measurement of parameters on a rotating member  
Instrumentation particularly for measuring torque on a rotating shaft. The instrumentation includes an excitation source external of the shaft providing an output excitation signal with periodic...
3876972 Kelly  
A kelly useful in the rotary system of drilling comprises a tubular member having threaded box connection means at each end for making connection with other fluid conducting members to transmit...
3850030 APPARATUS FOR MEASURING THE TORSION OF A ROTATING SHAFT  
A marine torsiometer includes a pair of spaced collars clamped to a rotating propulsion shaft with a link affixed to the two collars to sense torsion in the shaft. The link includes two waist...
3813933 DYNAMIC TORQUE INDICATORS  
The present invention is a dynamic torque indicator for wrench systems. A rotor, carried within a rather short cylindrical housing has a driven socket connector projecting from one end of the...
3797305 SELF CALIBRATING STRAIN GAGE TORQUEMETER  
A torquemeter for sensing the torque transmitted by a rotatable shaft and adapted to compensate for measurement errors such as those resulting from variations in coupling between instrumentation on...
3790811 GROUND REFERENCE NETWORK  
An external ground reference network for a transducer system in which the transducer is coupled by transformers to both the input and output of the system. In one embodiment, the external ground...
3757580 DEVICE FOR MEASURING STRAIN IN ROTATING BODIES  
A device for measuring strain in a rotating body comprising a resistance strain gauge, a voltage-to-frequency converter, a pulse transformer, and a frequency meter. The resistance strain gauge...
3728896 DYNAMIC TORQUE MEASURING SYSTEM  
A system forming part of subterranean well drilling apparatus for measuring torque between a rotating drive element and a rotating driven element connected between the driving and driven elements,...
3672213 TORQUE TRANSDUCERS  
A torque transducer for insertion within a hollow shaft consisting of a tube with expansible ends and having a waisted portion along a predetermined length forming a housing for strain gauges. The...
3619612 MONITORING DEVICE FOR ROTATING SYSTEMS  
A system for measuring physical properties of rotating devices and transmitting the measurements from the rotating member to an unconnected stationary circuit by means of electromagnetic waves...
3519969 ROTATING TRANSFORMER  
3610036 PRECISION LOAD CELL  
3350944 Strain gauge pressure transducer  
3336795 Semiconductor force measuring device  
3224257 Rotating body strain meter  
Matches 1 - 36 out of 36