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8171828 |
Electromechanical wrench
An electromechanical wrench has a housing that has a working end and a gripping end, with a driver positioned at the working end, and a handle positioned at the gripping end. The wrench further...
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7289915 |
Method of estimating load inertia for a motor
A method of estimating load inertia for a motor is provided that can estimate the load inertia even when a cogging torque of the motor is large or resonance occurs in the mechanical system of the...
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6973372 |
Drive unit and method for using the drive unit to control a machine tool
A drive unit for a machine, in particular a machine-tool, robot and the like, is described. The drive unit has several components, and each component has at least one associated component-specific...
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6848324 |
Method for determining whether or not wheels are locked
In a method for determining whether a wheel is locked or not, it is determined whether an output value of a steering torque sensor for detecting steering torque is either equal to or larger than a...
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6736018 |
Machine constant estimation device
An acceleration signal generating portion 11 inputs a machine velocity vm of a drive machine 32 and outputs an acceleration signal af of low frequency. Also, a pseudo torque signal generating...
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6560549 |
Method for determining the transmission output torque for an earth moving machine
The present invention is adapted to provide a method for determining the torque of a driveshaft. In the preferred embodiment a drivetrain includes a front and a rear drivetrain. The drivetrain is...
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5894095 |
Mixing drill with speed sensing with multiple preset speeds
A new mixing drill with speed sensing with multiple preset speeds for providing a display of drill motor speed while mixing for indicating the viscosity of drywall joint compound and plaster...
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5557994 |
Ratchet handle with torque adjustment
An adjustable torque ratchet wrench has a ratchet gear to be meshed with a ratchet pawl that restrains movement of the ratchet gear when a handle is rotated. The ratchet gear includes a shaft...
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4774679 |
Stride evaluation system
A system for displaying the occurrence and magnitude of stride forces produced by a sport participant in a sporting event having a first portable housing placed on the legs of the participant for...
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4763284 |
Reaction time and force feedback system
An improved reaction time and force feedback system including a first portable housing for placement on the limb of a sporting participant for detecting the time and magnitude of force incurred by...
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4763275 |
Force accumulating device for sporting protective gear
A sensor capable of being adapted to sporting protective gear for sensing forces or vibrations encountered by the protective gear. The device senses the forces and delivers a signal proportional to...
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4759224 |
Torque measuring system for motor operated valve operators
An apparatus and method for isolating certain rotating components within the operator and valve systems and artificially loading those rotating shafts to create and measure torque developed within...
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4660416 |
Motor operated valve analysis and testing system with monitoring of spring pack movement through side by side monitoring device
A system for measuring the operating characteristics of a valve and its operator and the corresponding imposed valve stem load is attached to the valve operator. A unique device and method are used...
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4609992 |
System for monitoring torsion damage to a composite line of shapes through a driving machine and a driven machine
First and second devices (8,9) measure the speed of rotation at two widely separated points H and J along a line of shafts, e.g. through a turboalternator unit. Parameters representative of the...
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4370883 |
Method of measuring the power output of an automative vehicle engine on a roller testing bench
This method of measuring the power of an automotive vehicle engine on a roller-type testing bench comprises selecting the vehicle velocity and/or the engine speed whereat it is desired to make the...
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4294110 |
Torque measuring system for an air tool
A system for measuring torque applied by an air tool to a fastener during a fastening operation is disclosed wherein a torque indicating device is provided, preferably in a remote position from the...
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4199032 |
Apparatus for measuring and controlling a force
An apparatus for measuring and controlling a force such as torque, pull or weight. One example is an apparatus for making up two members having mating threaded connections, such as pipe joints,...
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3875793 |
Device for measuring the brake torque of motor vehicles and trailer brakes
The invention concerns a device for measuring the brake torque of motor vehicle brakes and trailer brakes by means of which a torque is exerted on the circumference of a wheel, whose brake has...
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3664183 |
WORK MEASUREMENT SYSTEM
A method and apparatus for measuring the work performed by a governed air-powered tool and including a flow and integrated meter for measuring the amount of air supplied to the tool. The method...
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3440869 |
THREADED FASTENER TESTING APPARATUS
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3379057 |
Apparatus for measuring the power of motor vehicles
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3274826 |
Direct reading shaft horsepower meter systems
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3200641 |
Pinion torque analyzer
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3187553 |
Apparatus for determining energy delivered to a pile
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2960863 |
Torque-rotation recorder
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