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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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
7234339 Road surface frictional coefficient estimating apparatus  
A braking/driving force fx is calculated at S 102 , and a lateral force Fy is calculated at S 103 . At S 104 , reference is made to a preset map to select a road surface μ estimation part to be...
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...
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...
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...
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...
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...
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...
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...
7085465 Optical fiber and method of measuring coefficient of kinetic friction of optical fiber  
An optical fiber of the present invention comprising a bare optical fiber and one or plural coating layers on the bare optical fiber, wherein Y, the Young's modulus of the outermost coating layer...
7050605 Designing tread with fractal characteristics  
A methodology is provided for designing traction surfaces intended to grip and provide traction on substrate surfaces. Fractal geometry is used to design tire treads, shoe treads, elastomeric...
7047152 Method and a system for evaluation of static friction  
A method for evaluation whether oscillations in a control process depend on static friction in an actuator. A signal from the actuator or the signal from the process is measured. The measured...
7013706 Friction force measurement apparatus  
A friction force measurement apparatus which measure friction force between a fixed member fixed on a main body of a magnetic tape drive and a magnetic tape abrading the fixed member is...
7000451 Friction testing device  
A device for the determination of the frictional characteristics of large surfaces comprising: a frame; a drive motor mounted atop the frame; a drive train; a horizontal measurement arm attached to...
6997070 Methods of promoting sleep systems  
A method for selecting a sleep system comprises positioning a person on a mattress in a lying position. One of the person's arms extends generally perpendicular to the person's torso. A first...
6989205 Hydrophilic side-chain polymer electrolyte membranes  
Exemplary methods for the characterization of proton dissociation and transport for hydrophilic components of hydrated Polymer Electrolyte Membranes (PEM's) is described. Disclosed features and...
6981400 Slip meter for determination of surface slip resistance  
A slip resistance measuring device features a magnetic actuator pivotally mounted on a portable frame positioned on a test surface to apply a linear force to a test specimen for engagement with the...
6981401 Method for testing properties of corrosive lubricants  
A method of testing corrosive lubricating media using a wear testing apparatus without a mechanical seal. The wear testing apparatus and methods are effective for testing volatile corrosive...
6931912 Road surface friction coefficient estimating method, signal multiplex transmission method and signal multiplex transmission device  
A method for directly and accurately estimating friction coefficient of a road surface independently from the slip rate is disclosed. The method measures tangential and vertical forces acting on an...
6928857 Apparatus for continuous measurement of road surface friction  
A method and apparatus for continuously or at a rapid rate of repetition measuring friction between a road surface and a tire, especially suitable for evaluating the severity of visually...
6923038 Device for measuring of friction  
The present invention concerns a device to be mounted on a vehicle that is in a position to measure, by means of own equipment, different data which is important for the road safety on roads and...
6889424 Head stack assembly installation system for a disc drive  
A head stack assembly installation system with a frame supporting a head stack installation tool including a robotic assembly supporting a measurement assembly communicating with a computer hosting...
6886387 Brush pressure calibration apparatus and method  
A novel apparatus and method for calibrating the gap distance between adjacent scrubber brushes with the frictional force of the brushes against a wafer, is disclosed. The apparatus includes a...
6860139 Apparatus for measuring green-speed  
Method and apparatus for measuring the green-speed of a putting green including a golf ball rolling ramp. The ramp is supported by adjustable length legs above a green surface at a selected angle....
6857306 Four-ball wear and friction test apparatus  
A four-ball test apparatus for evaluation of friction and wear characteristics of lubricants is disclosed. The test apparatus includes a motor and adjustable weight assembly that is supported by...
6854316 Device for measuring the static and/or dynamic friction coefficient of an artificial grass lawn for sports fields  
A device for measuring the static and/or dynamic friction coefficient of a surface, in particular a natural or artificial grass surface, in which the device includes a frame to which a first arm is...
6848168 Method for controlling installation of a head stack assembly  
Method for controlling installation of a head stack assembly in a disc drive. The head stack assembly is aligned in a head stack installation tool. A base deck assembly is advanced to the head...
6840082 Machine for testing wear, wear-preventative and friction properties of lubricants and other materials  
A machine adapted for testing wear, wear-preventative and friction characteristics between a rotating specimen axially loaded against one or more non-rotated test specimens includes a load...
6840097 Inspection apparatus for tires  
The present invention relates to an inspection apparatus for tires having a positioning device for the tire to be inspected and a laser inspection device. In accordance with the invention, the...
6840098 Roadway friction tester and method  
A method for measuring road surface friction of a road surface uses a vehicle that moves across the road surface. An auxiliary independent wheel is interposed between the vehicle and the road...
6817222 Method, apparatus and system for assessing hair condition  
Method for measuring friction in a hair sample, comprising: (a) providing a friction member; (b) drawing it through the hair, generating a frictional noise signal; and (c) capturing the signal by a...
6817223 Compact tribology tester  
An apparatus for testing properties of materials under operating conditions of the materials. The apparatus includes a hermetically sealed vessel in which a tribology tester is mounted. The...
6802203 Rotary seal testing machine  
A rotary seal machine is provided and includes a motor drive shaft which extends into and through a canister. A test seal specimen surrounds the shaft in the outer wall, and contaminant circulates...
Matches 1 - 50 out of 379 1 2 3 4 5 6 7 8 >