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| Number | Title | Issue Date |
| 7665353 | Means for detecting loss of pneumatic pressure in tire and device for the purpose An object of the present invention is to provide a device for detecting as to whether or not the heterogeneous tires are set on the right and left wheels, respectively, and accurately detecting the loss of the pneumatic pressure in the tire, even when heterogeneous ... | 02/23/2010 |
| 7661299 | Wheel state monitoring system and wheel state detecting apparatus A tire pressure monitoring system, that includes a plurality of the wheel state detection unit, provided at wheel of a vehicle, and that transmits detected wheel state information. A request signal transmitter transmits a request signal to request transmission of th... | 02/16/2010 |
| 7624629 | Tire characteristic judging method and tire characteristic judging device A tire characteristic judging device judges a tire characteristic in the following way. At first, a load applied to a tire and a cornering force generated in the tire in time series while the tire is rolling are acquired. Then, an applied load variation amount is ca... | 12/01/2009 |
| 7617722 | Tire, wheel or tire and wheel assembly equipped with a device for counting the number or rotations In an electronic device for counting the number of rotations for a tire and wheel assembly, a storage means holds counting information (NbRot) intended to represent the number of rotations counted at each moment. The counting information (NbRot) represents the numbe... | 11/17/2009 |
| 7614292 | Method and device for detecting defect in outer shape of tire side portion Repeated small irregularity, i.e. defect in outer shape on a sidewall portion S of a pneumatic tire T is detected. An order analysis is performed in higher order by an order analysis means 24 based on a waveform measured the irregularity on the sidewall porti... | 11/10/2009 |
| 7603895 | Trigger unit mounting structure for wheel position detection system A first trigger unit and a second trigger unit output trigger signals to transceivers disposed for the four wheels of a vehicle. The first and second trigger units are attached to wall surfaces of tire housings corresponding to the left front and left rear wheels re... | 10/20/2009 |
| 7603894 | Self-powered tire monitoring system Vehicular tire monitoring system includes an energy providing system arranged on the tire, and a sensor system arranged on the tire and coupled to the energy providing system to be provided with energy by the energy providing system. The sensor system obtains data a... | 10/20/2009 |
| 7587933 | Process for repairing punctured pneumatic tire in tire-rim assembly and repairing system A punctured pneumatic tire in a tire-rim assembly is repaired by mounting on a vehicle the tire-rim assembly provided with an internal pressure alarm means, said tire comprising an auxiliary load-supporting structure satisfying a requirement that an deformation quan... | 09/15/2009 |
| 7587934 | Method of quantifying the utilization of a maximum grip potential of a tire A method of quantifying the utilization of a maximum grip potential of a tire running on the ground. At two distinct azimuth angles, at least two respective values are determined for a differential extension of the tread of the tire or for a shear of the tread that ... | 09/15/2009 |
| 7581439 | Elastomeric article with wireless micro and nano sensor system A sensor system for obtaining data from an elastomeric article includes at least one wireless sensor. The sensor length-scales range from nano- to micro-scale devices that are small enough to avoid becoming occlusions within the article. The article may include sens... | 09/01/2009 |
| 7578180 | Tread depth sensing device and method for measuring same A tread depth measurement system for measuring a depth of a tread provided to a tire on a vehicle. The system includes an energy source for emitting a wireless signal to be transmitted to the tire; a sensor for detecting a return wireless signal emitted from the tir... | 08/25/2009 |
| 7578181 | Method for correcting concave-convex exhibited on a surface of a body of rotation Providing a method for correcting a data of irregularity of a surface of a body of rotation with an eccentricity included to a data being not affected by eccentricity. The distance data Lk between the tire crown portion 10t of the tire 10... | 08/25/2009 |
| 7578182 | Detection of prepped tires A portable tire prep detector is used to detect prep on a tire, when the tire is on a racing vehicle, and when the racing vehicle is on a race track. In one example, the detection of prep using the portable tire prep detector involves a test that takes less than two... | 08/25/2009 |
| 7568385 | Device and method for testing a tire, in particular by means of an interferometric measuring method A device for testing a tire with two sidewalls and a tread portion in particular by means of an interferometric measuring method, is provided with a measuring unit with which the tire can be scanned to generate a measurement result, and with a positioning means for ... | 08/04/2009 |
| 7568384 | Sensor-incorporated tire and tire condition estimating method In order to accurately and stably estimate the conditions of a running tire, a vehicle is equipped with a sensor-incorporating tire having, at an equal distance from the center in the axial direction of the tire, pressure sensors (11A, 11B) buried in a... | 08/04/2009 |
| 7562566 | Tire pressure gauge with displacement limiting members A tire pressure gauge includes a housing, a tire pressure detection unit, an air valve, and at least two limit members. The housing has a lateral side and a chamber. The tire pressure detection unit is mounted in the chamber. The air valve is mounted to the housing,... | 07/21/2009 |
| 7559235 | Tire air pressure monitoring system, tire air pressure sensor unit and method of monitoring-controlling tire air pressure A tire air pressure monitoring system includes: a sensor unit mounted to a tire and including: an air pressure sensor for outputting a tire air pressure, and a transmitter, a receiver for receiving a radio wave from the sensor unit; a tire air pressure monitoring co... | 07/14/2009 |
| 7552628 | Method and system for determining a cornering angle of a tyre during the running of a vehicle A method and a system for determining a cornering angle of a tyre fitted on a vehicle during running of the vehicle on a rolling surface. The tyre has an equatorial plane. In the method, the length of the contact region between the tyre and the rolling surface is es... | 06/30/2009 |
| 7552630 | Load wheel drive A method of positioning a load wheel in a tire uniformity machine to load a tire for testing, the method comprising providing a drive assembly including a drive motor and a drive controller, electrically connected to each other, said drive controller being adapted t... | 06/30/2009 |
| 7552629 | Movable tyre test bench and method therefor A mobile test rig for tires, composed of a self-driven platform capable of following rectilinear and circular trajectories and including: a test instrument module for a wheel-tire assembly to be tested that permits the assembly to be orientated in all directions, to... | 06/30/2009 |
| 7549328 | Method of fabricating a pressure sensor A method of fabricating a pressure sensor (30) for harsh environments such as vehicle tires, formed from a wafer substrate (32) with a recess, a flexible membrane (50) covering the recess to define a chamber (58) containing a fluid at a r... | 06/23/2009 |
| 7549327 | Tire-mounted energy generator and monitor Tire monitoring arrangement including at least one tire condition sensor arranged on the tire to measure a condition of the tire and an energy generating mechanism or device arranged on the tread of the tire for generating electricity upon rotation of the tire. The ... | 06/23/2009 |
| 7546764 | Estimation method and apparatus of tire dynamic state amount and tire with sensors The dynamic state amount of a tire when a load is applied to the tire while running can be estimated accurately and stably by installing tire deformation amount measuring means 11A and 11B at axisymmetrical positions which are equally distant in the ax... | 06/16/2009 |
| 7546765 | Scanning device and method for analyzing a road surface A road surface scanning device and method for scanning a section of road in order to acquire road surface data, which in turn can be used to create a mathematical model of the road. In one embodiment, the road surface scanning device includes a frame, a carriage mov... | 06/16/2009 |
| 7546763 | Method and system for extending the mobility of a vehicle The mobility of a vehicle having first and second pairs of diagonally opposite wheels is extended when the pressure on a given wheel is abnormally low. A load on the first pair of wheels defines a first load diagonal, and a load on the second pair of wheels defines ... | 06/16/2009 |
| 7543489 | Method and device for determining endstage of lifetime of run-flat tire under run-flat state The present invention provides a method and device for determining an end stage of lifetime of a run-flat tire under a run-flat state. The method includes the step S1 of monitoring the tire internal pressure on a vehicle equipped with a run-flat tire system c... | 06/09/2009 |
| 7543490 | Tire comprising a force measuring device having a rigid stem A tire is provided with a force measurement device embedded, for example, in an isolated element such as a tread block. The device may be a stud-type device. The device includes a rigid stem connected to a deformable substantially flat membrane, which includes a det... | 06/09/2009 |
| 7530264 | Test apparatus for accelerated wheel and suspension component structural durability A test apparatus for testing a suspension element for a vehicle, including a wheel test spindle and a road simulation drum that is rotated by a motor is disclosed. The suspension element comprises a wheel and a tire. The wheel test spindle may be supported on a carr... | 05/12/2009 |
| 7526951 | Method of determining a maximum adhesion coefficient of a tire A method of determining a maximum adhesion coefficient of a tire while running on ground, the method comprising the following steps: determining the maximum adhesion coefficient as being an output from a main transfer function that is independent of at least one slo... | 05/05/2009 |
| 7523655 | Method of optically scanning the tread surface of a pneumatic tyre of a vehicle wheel A method of and an apparatus for optically scanning the tread surface of a pneumatic tire 10 which for forming a vehicle wheel 1 is mounted on a disc wheel 5, wherein measurement data are obtained along a plurality of peripheral lines by light b... | 04/28/2009 |
| 7513144 | Pneumatic tire with specifically arranged strain sensors A pneumatic tire comprises a tread portion, a pair of bead portions and a pair of sidewall portions, and at least one of the sidewall portions is provided with at least three strain sensors disposed at least three circumferentially different mounting positions, resp... | 04/07/2009 |
| 7513143 | System for electro-statically indicating movement of tread A system including a first electrode embedded in tread of a tire. The first electrode is configured for electro-statically indicating movement of the tread. ... | 04/07/2009 |
| 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 is in contact with the road surface, an auxiliary wheel of the wheel ... | 03/31/2009 |
| 7509848 | Pressure gage sensor adjustment device A sensor adjustment device for an indicating pressure gauge includes a groove disposed on a dial and a sliding member. The sensor moves and is located in the groove by means of the sliding member. The gauge contains a sensor that operates without contacting an indic... | 03/31/2009 |
| 7506539 | System and method for determining tire force A system and method for determining the magnitude of a force acting on a tire are disclosed. Further, a sensor and a tire suitable for use in the system and method are also disclosed. The system comprises: a tire strain sensor mounted on the tire, for detecting a ti... | 03/24/2009 |
| 7497113 | Gauge for a tire A gauge for measuring non-skid tread depth and sidewall bulge/indentation includes a gauge body having a spaced apart tire-engaging lower legs and a guide slot extending along the body. Non-skid and bulge scales are provided along opposite sides of the guide slot an... | 03/03/2009 |
| 7497112 | Method for estimating a tire running condition and an apparatus for effecting the method and a tire with sensors disposed therein A method for estimating accurately and stably the change of forces exerted on the tire or change of contact condition with the ground of the tire and an apparatus for putting it in operation. Prepare a tire with sensors disposed therein such that the first an... | 03/03/2009 |
| 7487668 | Fixing structure for pneumatic tire pressure sensor, and tire wheel with protector for pneumatic tire pressure sensor A rim (1) of a tire wheel (TW) comprises a drum (1a) and inboard and outboard tire bead sheets (1b, 1c) extending radially from both sides of the drum (1a). A bead portion (3a) of a pneumat... | 02/10/2009 |
| 7487669 | Method of estimating a risk of a lack of connecting with the ground for a motor vehicle According to the method, the risk is estimated as a function of a maximum grip potential μmax of the tire, a utilization percentage Pu representative of the fraction of the maximum grip potential of the tire that is being used, and a magnitude... | 02/10/2009 |
| 7478554 | Rim mounted tire pressure monitoring system A tire and wheel rim assembly includes a tire supporting rim having an outward facing mounting surface and at least one tire body mounted to the rim and positioning an internal tire cavity over the rim mounting surface. A tire pressure monitoring module assembly mou... | 01/20/2009 |
