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Class 73/146 - TIRE, TREAD OR ROADWAY


Subclass of Class 73 - Measuring and testing
Definition: Subject matter for testing of tires, treads or roadways. "Sperry
No. of patents: 1441
Last issue date: 02/14/2012


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NumberTitleIssue Date
8113040Tire runout gauge
A runout gauge includes a stand (such as a tripod), and a gauge bar pivotally mounted on the stand. The gauge bar includes a wheel on its upper end positioned above the pivot for rollingly engaging an outer surface of a vehicle tire, and further includes a pointer l...
02/14/2012
8104335Method and device for measuring a tire inflation pressure by means of a stress sensor
A method for measuring inflation pressure of a vehicle tire involves measuring a compressive stress. The tire includes a rubber mass, referred to as an interior rubber, delimited by an internal surface in contact with air inside the tire and an external surface in c...
01/31/2012
8100001Measuring construction and method for measuring tyre data
Measuring construction for measuring use conditions of a tire, configured to be mounted to a support arrangement and provided with a tilting arrangement for tilting and/or adjusting a force on a tire, wherein the tilting arrangement is provided with a measuring inst...
01/24/2012
8096172Wireless communication apparatuses, systems and methods
Methods of wirelessly communicating are disclosed. In one embodiment, a transmit angle along a circumference of a revolution is determined, a transmit time of the transmit angle based at least in part on a time required to complete a revolution is determined, and a ...
01/17/2012
8096173Tire action force detecting device
An apparatus to accurately detect a force acting on a tire, based on a stress acting on a connection mechanism that connects a wheel and a wheel support member. A tire-acting-force detection apparatus is applied to a vehicle including a wheel unit composed of a whee...
01/17/2012
8082779Master tire and method of inspecting tire uniformity tester using the master tire
The present invention provides a master tire for inspecting the accuracy of a tire tester easily and securely. A master tire 100 according to the present invention is equipped with an upper-lower rim member 120, a cylindrical member 110 equivale...
12/27/2011
8082777Bearing assembly for wheel based sensor
A wheel and sensor assembly includes a U-shaped bracket assembly mounting to and moving with a wheel assembly. One or more sensor device(s) such as camber angle and slip angle sensors mount to the bracket assembly for operatively measuring one or more wheel assembly...
12/27/2011
8079254Wheel diagnosis system
According to the present invention there is provided a wheel diagnosis system (DS) for diagnosing a wheel (12) under test mounted to a vehicle and including at least a rim (18) and a tire (13). The wheel diagnosis system comprises a plurality of...
12/20/2011
8074506Apparatus and method for testing a tire
An apparatus for testing a tire (10), which has a center (M), a width (B1, B2) which extends in an axial direction (z) and a diameter (D1, D2) on a tire plane (RME, RME1, RME2, MBE) which is orthogonal...
12/13/2011
8065911Vehicle tyre checking system
A method and apparatus for assessing the tread on a vehicle tyre, measuring tyre pressure and calculating other parameters such as vehicle weight. The vehicle is driven in a longitudinal direction so that the tyre passes over a first lateral sensor (6) that e...
11/29/2011
8061191Method and apparatus for detecting wear of tire
A method and apparatus for detecting the state of wear of the tire tread with accuracy and durability are provided. Acceleration of the inner surface of the tire tread is detected by an acceleration sensor installed in an inner liner region of the tire. From a thus ...
11/22/2011
8056406Simulation wheel and vehicle testing apparatus
A shaft receiving section of a simulation wheel is attached to a hub of a vehicle such that the shaft receiving section is located outside the vehicle. A tire mounting section surrounding the shaft receiving section concentrically with the shaft receiving section wi...
11/15/2011
8051705Tire equipped with a sensor and a method of measuring strain amount of the tire
This invention provides a tire (10) equipped with a sensor (14), attached to a rubber member (15) in the surface of the tire (10), for detecting deformation of the tire (10). The sensor (14) is adhered to the rubber member (...
11/08/2011
8037744Method for measuring deformation of tire tread
A method for measuring deformation of a tire tread is provided. The method uses a tire tread deformation producing system 10 including a flat, transparent base plate 24 having first and second opposite surfaces 24a and 24b. ...
10/18/2011
8028570Method for testing tires
The invention relates to a method for testing tires, for measuring the radial and lateral forces which the tires of motor vehicles will exert on a road. According to the method, a load-application wheel is forced with a predetermined force against the tread of the t...
10/04/2011
8011235Apparatus and method for measuring local tire stiffness
A tire testing apparatus and method for measuring the local stiffness of a tire. The apparatus includes a force producing mechanism, a force measuring device, a force transmitting member, and a measuring device. The force transmitting member applies a force to a tir...
09/06/2011
8006550Methods and systems for testing tires of vehicles to quantify transient tire force and moment responses
A method for testing a tire of a vehicle that includes the steps of creating a first condition comprising a first slip angle of the tire, obtaining a first set of data regarding performance of the tire under the first condition, creating a second condition comprisin...
08/30/2011
7997128Tachometer for tires
A device for counting the rotations of a tire on a vehicle using the deformations that the tire undergoes on each rotation of the wheel, comprising a casing, a sensor intended to generate an electrical signal on each rotation of the wheel, and connection means inten...
08/16/2011
7987705Method for estimating a tire performance during a braking situation
A method for estimating the performance, during a braking situation, of a tire to be provided to a vehicle, this method comprising an experimental phase (EXPERIM) including a step (EVAL_MU) of assessing the grip coefficient (μ) of the tire on the ground. This asses...
08/02/2011
7984646Method of measuring the three-dimensional profile of a ground, and device for implementing said method
A method of measuring the profile, in three dimensions, of a pavement on which vehicles fitted with at least one tire may run. A first topographical measurement is carried out on site with a precision of at least one millimeter of an elementary surface of said pavem...
07/26/2011
7975540Methods and apparatus for tire tread measurement
Methods and apparatus are provided for evaluating tread depth on at least one tire. One or more laser scanners are positioned at an offset position from a tire path of the at least one tire. A profile of the at least one tire is obtained and the tread depth is deter...
07/12/2011
7963157Apparatus and method for detecting decrease in tire air pressure and program for detecting decrease in tire air pressure
An apparatus for detecting a decrease in a tire air pressure includes: a rotation velocity information detection means for periodically detecting tire rotation velocity information for the respective wheels of a vehicle; a frequency characteristic estimate means for...
06/21/2011
7963158Tire driving stiffness measuring apparatus, tire driving stiffness measuring method and predictive fuel consumption
There are provided the tire motor 5 for increasing or decreasing the tire rotational frequency Nt while the tire 3 is being rotated around the tire rotational shaft 1, the rotational frequency measuring means 6 for measuring the tire rota...
06/21/2011
7954367Tyre comprising a device for detecting at least a characteristic parameter of the tyre itself, and a manufacturing method thereof
Fastened to a tire is a detecting device consisting of a detecting unit including a sensor associated with an annular antenna having an inner perimetral edge, and an anchoring body having a base portion with a fastening surface secured to the radially internal surfa...
06/07/2011
7954369Tire pressure measurement system with reduced current consumption
A tire pressure measurement system (TPMS) includes a capacitor and an integrated circuit configured to receive a supply voltage. The integrated circuit includes a voltage regulator and a measurement unit. The voltage regulator is configured to be turned on and off f...
06/07/2011
7954368Tire pressure monitoring system
Tire pressure monitoring system for a vehicle includes sensor units mounted in each tire of the vehicle, each sensor unit being operable to output an RF signal indicative of the pressure in the tire in which it is mounted; a pair of communicator units for receiving ...
06/07/2011
7950276System and method of forming vehicle test road by joining pre-fabricated pavement modules
A modular vehicle test road construction system and associated installation method. The system includes pre-fabricated pavement modules adapted to be transportable. The pre-fabricated modules are formed so that an upper driving surface thereof includes one or more v...
05/31/2011
7946165Over-speed, rough loads and hard landing detection system
A system, apparatus and method provide a means for indicating an overload condition has occurred during aircraft operation. The occurrence of an overload condition is automatically determined and an indication output thereof. Based on the indication received by the ...
05/24/2011
7946164Measurement machine for the uniformity of vehicle tires
A measurement machine for uniformity serves for determining radial and lateral force fluctuations of vehicle tires (4), which are received by a drivable support spindle (2) supported on a machine frame (1). The vehicle tire (4) rotates on...
05/24/2011
7942047Method for determining the length of the footprint on the ground of a tire of a wheel of a vehicle
A method for determining, while a vehicle is traveling, the length of the footprint on the ground of a tire (7) including a metal belt, fitted to a rim (6) of a wheel of the vehicle. According to the invention, this method includes mounting a magnetic ...
05/17/2011
7937998Sensor mount with self-tightening device
A wheel assembly comprises a wheel, a tire mounted to the wheel, a tire condition sensor unit, and a sensor mount. The sensor mount mounts the sensor unit to an outside diameter surface of a rim of the wheel in a desired circumferential mounting location relative to...
05/10/2011
7934421Biaxial wheel test assembly
A wheel test assembly for testing a wheel-and-tire assembly includes a drum operatively mounted to a base for rotation of the drum. The drum includes an inner circumferential surface. A tailstock assembly is slidably coupled to the base for movement in a lateral dir...
05/03/2011
7926338Method for detecting local runout of a tire
A raw runout signal of a tire is bandpass filtered utilizing appropriate, empirically determined, low and high tire order corners to determine the bandpass of the bandpass filter. A band-limited runout signal is then obtained and is examined for characteristic signa...
04/19/2011
7908915Method for tire rolling simulation on mud
A method for tire rolling simulation on mud comprises the steps of modeling a tire using finite elements to build a tire model, modeling a muddy road using finite volumes to build a muddy road model which can exhibit elastoplasticity property and failure property, a...
03/22/2011
7908916Flat belt roadway simulator with steer and/or camber adjustment and method for ascertaining rolling loss
A testing machine includes a frame and a roadway assembly. The roadway assembly includes an endless belt and a carriage supporting the endless belt for rotation on the carriage and providing flat portion in the endless belt. The carriage is pivotally coupled to the ...
03/22/2011
7908917Driving control method of tire testing machine and tire testing machine
The present invention is a driving control method of a tire testing machine provided with a controller for giving a rotation command to a tire driving electric motor so that a slippage ratio of a tire with respect to movement of a simulated road surface is a prelimi...
03/22/2011
7895887Method and apparatus for coaxially aligning tire with support rims
The present invention aims to coaxially aligning a tire with support rims with high accuracy by eliminating an effect of a tread outer surface. A radial inner end position of the bead portion of the tire his detected by a photoelectric sensor at circumferenti...
03/01/2011
7895886Evaluation method for pneumatic tires and system thereof
An evaluation method for pneumatic tires and a system thereof, is provided, capable of appropriately evaluating an adverse effect, such as deterioration, of tire temperature by expressing severity of a temperature imposed on a member of tire made of rubber or the li...
03/01/2011
7882731System for accurately measuring and regulating air pressure in tires
Embodiments of the present invention allow an operator to select one, two, or more tires in the system to have their individual pressure measured or equalized and set by either connecting it to a compressed air supply or by bleeding out excess air to reduce tire pre...
02/08/2011
7874205Mounting structure of electronic device, and pneumatic tire onto which electronic device is mounted by such mounting structure
A bonded patch is bonded on a surface of an inner liner. A first patch wall having a first wall surface for restraining a movement of an electronic device main body in one direction is provided integrally with the bonded patch so as to project toward a tire center. ...
01/25/2011
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