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6742402 |
Steering-angle sensor
Multiple forces act upon a steering spindle. Further, the mounting support of the steering spindle and the steering spindle itself are affected by tolerances, as a result of which the steering...
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6325321 |
Process for operating a reel winding device, a reel winding device, and a measuring device
Process for winding a reel and a reel winding apparatus, as well as a measuring apparatus. The process includes determining the driving forces at the locations of the introduction of the driving...
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6199020 |
External force measuring apparatus
In an external measuring apparatus, a past zero signal value V0 is first read out. A subtracted value obtained by subtracting the zero signal value V0 from a read signal value Vin from an angular...
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6144928 |
Method and device for determining vehicular mass
A vehicular mass is determined, or a signal indicative thereof is generated, in particular for a commercial vehicle having a towing vehicle and a trailer/semitrailer. The vehicle has actuatable...
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5559408 |
Apparatus for controlling a motor using piezoelectric resistance
A method of controlling operation of a DC motor including the steps of detecting the level of acceleration caused by the rotation of the output shaft of the DC motor; determining the square root of...
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5523561 |
Enhanced position signals in optical torque sensors
A torque sensor, or relative angular movement sensor, capable of measuring the angular displacement of a component in a power-assisted steering system, comprises an input member coupled to one end...
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5479556 |
Rotation control apparatus employing a comb filter and phase error detector
A rotation control apparatus employing a comb filter to cut off a specified frequency and multiples thereof in response to speed error data detected from a rotation detector. A phase error detector...
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5099700 |
Extensometric sensor for measuring the stresses acting on a drilling element and a device for mounting such a sensor
An extensometric sensor for measuring stresses acting on a drilling element at a bottom of a well, with the sensor including a first measurement zone formed from at least two traction blades, on...
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4758967 |
Computer simulated inertia for motor vehicle powertrain testing
The large rotational inertia applied to a driveline component during normal driving conditions is simulated in a test stand that contains a component that driveably connects an input motor and an...
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4693077 |
Closed-loop engine control with feedback torque error compensation
A closed-loop engine control system is disclosed in which an engine is controlled to provide power to a load as a function of measured feedback torque. A programmable digital controller modifies...
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4691288 |
Torque sensor for internal-combustion engine
A method and apparatus for providing a signal representative of the output torque of an internal combustion engine utilizes a correlation of average engine speed and variations in instantaneous...
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4550595 |
Torque measurement circuit and method
An improved torque measurement circuit and method for an internal combustion engine of the four cylinder, two-cycle type includes synchronous detection circuits and circuits to account for inertia...
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4548079 |
Method and apparatus to automatically determine the weight or mass of a moving vehicle
This invention teaches a method and apparatus for the determination of the weight of a moving vehicle driven by an internal combustion engine. The invention provides means for the determination of...
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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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3921446 |
Method of measuring torque
The method for measuring torque described is based upon the fact that angular velocity ω and angular acceleration α are independent dynamical variables at any given time. Thus, for any given ω,...
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3729989 |
HORSEPOWER AND TORQUE MEASURING INSTRUMENT
This invention relates to a readily portable apparatus and the related method of determining the useful torque and horsepower wherein the apparatus includes a first unit which provides a velocity...
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3693426 |
PORTABLE USEFUL HORSEPOWER MEASURING INSTRUMENT
A readily portable apparatus and method for determining the useful horsepower of any prime mover, operating on any given roadway grade with a known load. The apparatus includes a velocity signal...
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3299698 |
Apparatus for measuring the load torque on drive systems, especially on conveying systems
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3116628 |
High-speed bearing torque tester
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