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8156785 |
Method and apparatus for determining a value that correlates to available traction
A method and apparatus for determining a value that correlates to available traction that is a lightweight, hand-held, portable apparatus that may include a pad of material, a translating assembly,...
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8151624 |
Method for measuring surface smoothness of hair
A method for measuring the surface smoothness of hair comprising the steps of: a) providing a means for measuring hair surface smoothness;b) using said means for measuring hair a surface smoothness...
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8151625 |
Test device for tribological examination of materials
A test device for the tribological examination of materials, including at least one first test body that has a first test surface, a drive unit for this at least one first test body that can be...
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8146402 |
Dynamic coefficient of friction measuring device having a track with an arcuate portion
The invention provides a device for measuring the dynamic coefficient of friction of a surface. The device includes a track having an arcuate portion which is shaped to mimic an arc of travel of a...
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8132451 |
Characterization tools for toner adhesion and adhesion distribution
A system, method and device for measuring toner performance by randomly applying a toner sample having toner particles to a substrate, and positioning the substrate such that a force may be applied...
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8074488 |
Device for measuring coefficient of friction
A device for measuring the coefficient of friction between a test surface and a test material, comprising a frame, a skid pad comprising the test material and attached to an underside of the frame...
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8069702 |
Rolling ball tack measuring apparatus
A measuring apparatus to measure adhesion of a tape includes a supporting plate slanting related to horizon, and a ball. The tape is attached to the supporting plate with an adhesive surface...
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8065067 |
Systems and methods for determining a parameter relating a tire-to-road contact and/or a relation between a wheel and a vehicle motion
The present invention refers to systems and to methods for determining at least one parameter relating to a tire-to-road contact and/or a relation between a wheel and a vehicle motion. In...
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7987693 |
Method and device for automated electronic green speed measurement
Method and apparatus for measuring the coefficient of rolling friction or speed of a horizontal surface over which a round object is rolled such as a putting green encountered in the game of golf....
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7958775 |
Triboacoustic probe
The invention relates to a sensor for the quantitative measurement of the feel of a surface, comprising a prehensile envelope, a hollow contact body for bringing into contact with the surface on a...
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7958790 |
Biaxial load cell with highly anisotropic force resolutions
A load cell for measuring extremely low level, anisotropic biaxial loads is disclosed. The system includes at least one load cell of a specific geometry and dimension which, when mounted, provides...
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7908925 |
Resonance response testing on a bearing
An apparatus and associated method is provided for holding an inner race of a bearing stationary with respect to rotational movement while leaving a hub that is fixed in rotation with an outer race...
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7908900 |
Friction measuring device
A device and method for measuring friction on a surface, such as a road, allow for accurate and reliable measurements by preventing the slipping of a pilot wheel. The device includes a pilot wheel...
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7869971 |
Safety valve testing
A method of measuring the condition of a safety valve includes measuring a condition parameter that varies with the sealing force of the valve. The condition parameter may be determined from...
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7810382 |
Method and device for determining material properties
The invention relates to a method of determining material properties of a contact formed between a measurement tip of a microscopic probe and a sample surface of a sample material. According to the...
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7810372 |
Payout-glide-flakeoff apparatus for characterizing deodorant and antiperspirant sticks
An apparatus and system for characterizing and quantifying certain attributes of antiperspirants and deodorants is provided, such as payout, friction, and flakeoff. The apparatus is capable of...
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7797986 |
Magnetic fluid particulate separation process
A fluid tester includes an inlet for a fluid path, an ionization chamber defining at least part of the fluid path located downstream from the inlet, a charge chamber configured to subject a fluid...
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7788965 |
Portable friction testing device
A portable device for measuring friction, especially friction between tire treads and road surfaces is disclosed. The portable friction tester is shaped as an equilateral triangle providing three...
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7784326 |
Chuck for friction test apparatus
A friction test apparatus includes a base structure and a receptacle secured to the base structure. At least three lower test balls are positioned in the receptacle. The friction test apparatus...
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7765860 |
Roadway grip tester and method
A method for measuring road surface friction of a road surface uses a vehicle that moves across the road surface wherein (1) an auxiliary independent wheel assembly is towed behind the vehicle and...
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7752883 |
Tribometer
The present invention relates to a tribometer (1) comprising: a first support assembly (2) configured to receive a central test piece (3), which test piece is circularly cylindrical, and to drive...
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7735362 |
Thermomechanical sensor for fluid diagnostics
A method for diagnosing a fluid includes sensing a property of the fluid and the temperature of the fluid at the time the property is sensed, then determining the status of the fluid from the...
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7702446 |
Road-surface friction coefficient estimating device and road-surface friction coefficient estimating method
A road surface μ is updated with time on the basis of a present value (an estimation value E) of the road surface μ estimated to estimate the road surface μ. In this case, if there is acquired ro...
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7673495 |
Method for calculating a friction-slippage curve for a tire
A method for calculating a μ-slippage curve for a tire based on laboratory data derived from characteristic values of a used compound, of the road surface and a vehicle without producing a ...
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7614275 |
Method and apparatus for determining coefficient of friction
The coefficient of friction of an elastomeric sample can be determined by: (a) providing a friction test machine having a rigid wheel with an outer surface defining a curvilinear friction surface,...
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7600411 |
Surface friction testing apparatus
Surface testing friction apparatus comprises a trolley and an inclined ramp. The trolley and ramp are arranged such that a slider on the trolley comes into contact with the surface during a test...
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7591166 |
Tactile sensor and use thereof
A tactile sensor of an embodiment of the present invention includes: a sensing section having an elastic member at a portion which contacts a measurement target; an image acquiring section for...
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7591167 |
Methods and systems for measurement of tire rolling resistance
Method and apparatus for testing tires to measure the rolling resistance generated while a tire rolls under a radial load, the method including the steps of mounting two tires on spindles having...
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7584645 |
Apparatus and method for measuring friction forces
According to an exemplary embodiment, a set of three-dimensional force sensors is used, distributed on one face of a support. Each sensor outputs signals representative of a force applied by an...
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7584646 |
Device for measuring coefficient of friction
A device for measuring the coefficient of friction between a test surface and a test material, comprising a frame, a skid pad comprising the test material and attached to an underside of the frame...
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7509847 |
Roadway grip tester and method
A method for measuring-road surface friction of a road surface uses a vehicle that moves across the road surface wherein (1) an auxiliary independent wheel assembly is towed behind the vehicle and...
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7483794 |
Method for predicting the wear of a tire and system for implementing it
A technique for predicting the wear of at least one tire whose tread has pattern elements and which is fitted to a terrestrial motor vehicle, and a system for implementing the technique that...
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7472577 |
Hair sensor
A hair sensor, which can suppress mixing of external noise to a minimal level when a sliding sound of hair is detected, amplified, and output as an audio output in order to estimate surface...
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7454948 |
Method of measuring coefficient of dynamic friction between golf ball and collisional plate
By bringing a golf ball into collision with a collisional plate and measuring a coefficient of dynamic friction at this collision, contact force at the time of collision between an actual golf club...
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7426855 |
Method and apparatus for testing the adhesive strength of overlays of plain bearing bushings
A method and an apparatus for testing the adhesive strength of overlays attached to the inside of plain bearing bushings. The method is characterized in specifying clearance between the plain...
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7398669 |
Test apparatus and method of measuring surface friction of a brake pad insulator material and method of use of a brake dynamometer
A test apparatus for measuring surface friction of a damping material such as brake pad insulator material includes a rotor configured to support the damping material for rotation therewith, an...
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7373800 |
Friction test apparatus and method
A friction test apparatus includes a base structure and a receptacle secured to the base structure. At least three lower friction surfaces are positioned in the receptacle. The friction test...
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7299571 |
Ease of ironing measuring apparatus and method
An apparatus to measure ease of ironing comprises a base supporting a vertical rail assembly; a lockable roller bearing block that rolls vertically on a vertical rail assembly for locking and...
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7290436 |
Device for measuring the static and/or dynamic friction coefficient of a surface
The present invention relates to a device for measuring the static and/or dynamic friction coefficient of a surface, in particular a natural or artificial grass surface, which device comprises a...
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7257984 |
Miniaturized sensor device for detecting characteristics of a fluid, in particular a lubricating oil
A miniaturized sensor device comprises at least one pair of active projecting elements or cantilevers, which are set parallel to one another and at a micrometric or sub-micrometric distance apart...
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7240562 |
Method for modeling material constitutive behavior
In modeling material constitutive behavior, a methodology determines tool-chip friction and a position of a stagnation point on a cutting tool. The methodology includes measuring a ratio of cutting...
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7237445 |
Test fixture for the aging of wiper blades in a laboratory
A test fixture facilitates the laboratory testing of windshield wiper blades for vehicles. The test fixture includes a base frame on which are mounted a number of windshield wiper arms oriented...
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7234339 |
Road surface frictional coefficient estimating apparatus
A braking/driving force fx is calculated at S102, and a lateral force Fy is calculated at S103. At S104, reference is made to a preset map to select a road surface μ estimation part to be used for ...
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7216526 |
Method and apparatus for measuring vane wear in a sliding vane rotary pump
The amount of wear on the vanes of a sliding vane rotary pump is determined by inserting a wear inspection dip stick into a wear inspection port providing in a housing of the sliding vane rotary...
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7201060 |
Apparatus and method for determining in situ pore fluid and soil properties using multi-sensor measurement systems
An apparatus and methods for determining in situ pore fluid and soil properties at a particular subsurface location are disclosed. In one embodiment, the apparatus comprises a penetrating tip...
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7188516 |
Friction testing apparatus
A testing apparatus for measuring the friction characteristics between two components in rolling or sliding contact with one another is disclosed herein. The testing apparatus includes a traction...
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7171297 |
Road surface condition determination apparatus
A comparison/determination part 7 recieves the input of a front wheel speed filtered value ωfF from a front wheel speed filtered value calculation part 5 and a rear wheel speed filtered value ωrF f...
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7117716 |
Dynamic friction testing vehicle to measure fluid drag and rolling friction
A portable Dynamic Testing Vehicle able to test for surface friction, drag, and travel distance, through contaminates accounting for longitudinal and lateral acceleration. The DFT is completely...
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7113858 |
Road surface friction sensor and road surface friction coefficient detector, and vehicle antilock braking device
A method for cyclically controlling the braking of a vehicle includes the following steps: (a) detecting a road surface frictional force of said vehicle, (b) detecting a brake fluid pressure, and...
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7096713 |
Testing assembly and clamping fixture for measuring friction and loosening torque at different temperatures
A testing assembly measures the friction of a coating of a test piece having a defined length. The testing assembly comprises a base and a tower fixedly secured to the base. A receiving channel...
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