Patent application number | Description | Published |
20090101257 | Tyre Comprising an Electronic Unit and a Method of Installing Said Electronic Unit into Said Tyre - A tyre having a radially internal surface of substantially toroidal conformation, includes: a housing mounted on the internal surface of the tyre and an electronic unit at least partially housed in the housing, the housing including at least two portions, each having a cavity in contact with a respective portion of the electronic unit and housing the same, each portion of the housing being mounted on the internal surface of the tyre, and a fastening element applied to the portions of the housing to maintain a constraint between such portions and the electronic unit. A method of installing the electronic unit into a tyre. | 04-23-2009 |
20090115590 | Tyre and System for Monitoring the Tyre During the Running of a Vehicle - A method for monitoring a tyre during running includes acquiring and storing, at least temporarily, a first curve representing an acceleration profile of a first point of a tread area of the tyre; acquiring and storing, at least temporarily, at least one second curve representing an acceleration profile of a second point of the tread area; and comparing the first curve and the at least one second curve, or parameters derived from the first curve and the at least one second curve, so as to determine a dynamic behavior of the tyre. The first and second points are located substantially on a same meridian plane of the tyre. A related tyre, wheel for a vehicle, system for monitoring a tyre during running, and method for controlling a vehicle are also disclosed. | 05-07-2009 |
20090115591 | Tyre provided with a device for detecting at least one functional parameter of the tyre itself, and a method for detecting at least one functional parameter in a tyre - Fastened to a tyre is a detecting device consisting of a detecting unit including an antenna operatively connected to a sensor unit and a power supply unit including a piezoelectric element mounted in a housing. The piezoelectric element is disposed within the housing so as to have a first end substantially fixed to the housing and a second end associated with a loading mass, a gap being formed between at least one inner wall of the housing and an outer surface of the loading mass. The piezoelectric element is positioned substantially along a plane orthogonal to a radial direction of the tyre. An anchoring body has a base portion with a fastening surface secured to the radially internal surface of the tyre. The detecting unit is brought into engagement with the anchoring body by insertion of the inner perimetral edge of the antenna into a perimetral groove formed between the base portion and a retaining portion. | 05-07-2009 |
20090183562 | Tyre Comprising an Electronic Unit and a Method of Installing Said Electronic Unit into Said Tyre - A tyre having an internal surface of substantially toroidal conformation, includes an electronic device including an electronic unit and an antenna, the latter being connected with the electronic unit and having an inner perimetral edge, and an anchoring body mounted on the internal surface for engagement between the electronic device and the tyre, the anchoring body including at least two portions, said electronic unit being arranged between the portions. Each of the portions has a fastening surface secured to the internal surface of the tyre and a groove in which the inner perimetral edge of the antenna is fitted to maintain a constraint between the electronic unit and the anchoring body. Also disclosed is a method of installing an electronic unit into a tyre. | 07-23-2009 |
20090188310 | WHEEL FOR VEHICLES - A wheel for vehicles includes a rim, a tyre mounted on the rim, and at least one device for energy generation operatively associated with the tyre. The device for energy generation includes a first element that is fixed relative to the rim or to the tyre, and a second element mounted on the first element and free to rotate relative to the first element around a predetermined rotation axis. The second element has a mass centre eccentric to the predetermined rotation axis. The device for energy generation further includes an electric generator having a stator mounted on the first element and a rotor mounted on the second element. | 07-30-2009 |
20090273460 | Pneumatic tyre for vehicle wheels provided with an antenna and method of manufacturing thereof - A pneumatic tyre for vehicle wheels with a radially inner surface of a substantially toroidal conformation, includes at least one antenna provided with an electrically conductive elongated body in engagement with the radially inner surface through a plurality of constraint elements. Each pair of consecutive constraint elements identifies an orthodromic distance smaller than the length of the elongated-body portion between this pair of elements. Also described is a method of setting the antenna on the inner surface of the tyre. | 11-05-2009 |
20090320580 | TYRE COMPRISING A DEVICE FOR DETECTING AT LEAST A CHARACTERISTIC PARAMETER OF THE TYRE ITSELF, AND A MANUFACTURING METHOD THEREOF - Fastened to a tyre 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 surface of the tyre. The detecting unit is removably brought into engagement with the anchoring body by insertion of the inner perimetral edge of the antenna into a perimetral groove formed between the base portion and a retaining portion. The anchoring body has an overall height of about 0.2 to about 1.5 times a maximum distance measure between two mutually spaced apart points along the inner perimetral edge. | 12-31-2009 |
20100126263 | METHOD AND SYSTEM FOR DETERMINING OPERATING PARAMETERS OF A TYRE DURING RUNNING OF A VEHICLE - An oscillating structure is coupled to a crown portion of a tyre. The oscillating structure includes a housing and a piezoelectric element coupled to the housing. The piezoelectric element is able to oscillate in an oscillation direction, which could match either a longitudinal or a radial direction of the tyre. An electrical signal generated by the piezoelectric element is processed so as to determine at least one operating parameter of the tyre. The processing includes determining whether a rotation speed of the tyre is greater than a threshold speed; and, in the negative, extracting information for determining the at least one operating parameter of the tyre from a low-pass filtered signal. Such low-pass filtered signal is obtained by removing at least frequency components of the electrical signal having a frequency higher than or equal to a resonance peak frequency of the oscillating structure. | 05-27-2010 |
20100131208 | METHOD FOR DETERMINING AT LEAST ONE PARAMETER REPRESENTATIVE OF AT LEAST ONE INTERACTION ALONG A LONGITUDINAL DIRECTION BETWEEN A TYRE FOR VEHICLE AND THE GROUND - A method of determining at least one parameter representative of at least one interaction along a longitudinal direction between a tyre and the ground, includes identifying a first parameter representative of a radial deformation of the tyre; determining a first and a second value of the first parameter in respective neighbourhoods of a first and a second longitudinal end of a footprint area defined between the tyre and ground; calculating a linear combination of the values thereby obtaining a second parameter; determining a third parameter representative of an angular velocity of the tyre; calculating a ratio between the second and third parameters; and calculating a main parameter, starting from the ratio, according to an algorithm, which main parameter is representative of a longitudinal interaction between the tyre and the ground. | 05-27-2010 |
20100186493 | METHOD AND SYSTEM FOR GENERATING ELECTRICAL ENERGY WITHIN A VEHICLE TYRE - A tyre includes a flexible piezoelectric element associated with an energy storage device (e.g. a capacitor). The flexible piezoelectric element is mounted in cantilever-beam fashion within a housing so that a first end thereof is fixed to the housing. A loading mass is associated with the second end of the flexible piezoelectric element. A small gap is formed between the inner walls of the housing and the outer surface of the loading mass in order to allow limited flexure of the piezoelectric element. The housing, including the piezoelectric element, is mounted in a crown portion of the tyre, preferably on the inner surface of the tyre. The piezoelectric element flexes under the action of the longitudinal acceleration when the tyre rotates. Sufficient electrical power for powering an electronic device included within the tyre is obtained, together with a long durability of the piezoelectric element. | 07-29-2010 |
20110199201 | METHOD AND SYSTEM FOR SIGNALING AN AQUAPLANING CONDITION OF A TYRE FITTED ON A VEHICLE (AS AMENDED) - A method of signalling an aquaplaning condition of a tyre, the latter rolling on a rolling surface, a footprint area being defined between the tyre and the rolling surface, a layer of water being interposed between the tyre and the rolling surface, includes: detecting a first signal representative of a deformation of the tyre due to rolling of the tyre on the rolling surface, the first signal including at least one portion representative of the interaction between the tyre and the layer of water; processing the first signal so as to determine a parameter representative of an aquaplaning condition of the tyre as a function of the first signal; and generating a notification signal as a function of the at least one parameter. A system for signalling an aquaplaning condition of a tyre. | 08-18-2011 |
20110202228 | METHOD AND SYSTEM FOR WEAR CONTROL OF VEHICLE TYRES - A method for wear control of vehicle tyres, includes: detecting deformation of an inner surface of a first tyre by means of a first sensor; determining a first level of wear of the first tyre; detecting a deformation of an inner surface of a second tyre by means of a second sensor; determining a second level of wear of the second tyre; comparing the first and second levels of wear with each other; and generating a notification signal representative of the comparison. Also disclosed is a system for wear control of vehicle tyres, a method of determining the wear of a tyre and a system for determining the wear of a tyre. | 08-18-2011 |
20110231113 | METHOD AND SYSTEM FOR DETERMINING A TYRE LOAD DURING THE RUNNING OF A MOTOR VEHICLE - A method for determining a load exerted on a tyre fitted on a vehicle during a running of said vehicle comprises the following steps: acquiring a first signal comprising a first portion representative of a radial deformation to which a first tread area portion of said tyre is subjected during passage of said first tread area portion in a contact region between said tyre and a rolling surface; measuring an amplitude of said radial deformation in said first signal portion; estimating a rotation speed and an inflation pressure of said tyre in correspondence of said radial deformation; deriving said tyre load from said amplitude, said rotation speed and said inflation pressure. | 09-22-2011 |
20120211997 | METHOD AND SYSTEM FOR GENERATING ELECTRIC ENERGY IN A TYRE - A method and system for generating electric energy in a tyre includes a device including a housing that extends according to a longitudinal axis X, at least one electrical winding, a magnet movable within the housing along the longitudinal axis, and a force providing element positioned at least one of two opposite ends of the housing, which is adapted to exert on the magnet a force along said longitudinal axis. The device is fixed on a crown portion of the tyre; the tyre is rotated on a rolling surface so as to determine variations of forces that act on the device every time the device passes, due to the rolling of the tyre, at a footprint of the tyre; the force exerted by the force providing element and the variations of forces along the longitudinal axis are exploited so as to cause variations of the magnet position with respect to the at least one electrical winding; and the electric energy generated across the at least one electrical winding as a consequence of the variations of the position of the magnet with respect to the electrical winding is collected. | 08-23-2012 |
20140352420 | MONITORING DEVICE FOR TYRES FOR VEHICLE WHEELS, TYRE FOR VEHICLE WHEELS PROVIDED WITH SAID MONITORING DEVICE, AND METHOD FOR INSTALLING AN ELECTRONIC UNIT IN SAID TYRE - A monitoring device for tyres for vehicle wheels includes: an electronic unit; a connecting member configured for constraining the electronic unit to a tyre, the connecting member including: a first and a second base portion, mutually separated by a separated region, each of the base portions having a respective base surface associable with an inner surface of a tyre; a housing portion associated with the base portions defining, in cooperation with said base portions, a cavity for housing the electronic unit, wherein the housing portion includes at least one side structure, configured for exerting a containing action at least relative to movements of the electronic unit carried out in a major extension direction of the separation region and with respect to movements of said electronic unit carried out in a direction orthogonal to the major extension direction of the separation region wherein the cavity is confined at least by a side surface defined by an inner surface of the side structure, wherein the electronic unit includes at least one sensor, at least one antenna and a holding body for housing at least the sensor and the antenna, wherein the holding body has at least one side surface, wherein, when the electronic unit is inserted in the cavity: the side surface of the holding body faces the side surface of the cavity, and the sizes of said cavity and of the holding body are such as to form at least one first gap at least partly separating the side surface of the holding body and the side surface of the cavity. | 12-04-2014 |
20140355648 | MONITORING DEVICE FOR TYRES FOR VEHICLE WHEELS, TYRE FOR VEHICLE WHEELS PROVIDED WITH SAID MONITORING DEVICE, AND METHOD FOR INSTALLING AN ELECTRONIC UNIT IN SAID TYRE - A monitoring device for tyres for vehicle wheels includes: an electronic unit; a connecting member configured for constraining the electronic unit to a tyre, the connecting member being of one piece construction and including: a first and a second base portion, mutually separated by a separation region, each of the base portions having a respective base surface associable with an inner surface of a tyre; and a housing portion in cooperation with the base portions defining a cavity for the electronic unit. The connecting member is deformable between an insertion condition of the electronic unit into the cavity and a retaining condition of the electronic unit in the cavity. The connecting member in the insertion condition is configured for enabling insertion of the electronic unit in the cavity when the base portions are not fastened to the inner surface of the tyre. The connecting member in the retaining condition is configured for preventing extraction of the electronic unit from the cavity in any direction when the base portions are fastened to the inner surface of the tyre. | 12-04-2014 |
20140360019 | METHOD FOR INSTALLING A MONITORING DEVICE IN A TYRE FOR VEHICLE WHEELS - A method for installing a monitoring device in a tyre for vehicle wheels, includes: providing a monitoring device including: an electronic unit; a connecting member having an upper structure and a lower structure that, in cooperation, define a housing for the electronic unit, the lower structure including two base portions mutually separated by a separation region, each of the base portions having a respective base surface associable with an inner surface of a tyre. The method further includes providing a positioning device including two separate active portions, each having a main surface in the shape of which matches that of a respective portion of an outer surface of the monitoring device, the separate active portions being adapted to cooperate with at least the base portions; associating the positioning device with the monitoring device to keep the monitoring device in an installation condition in which the base portions are maintained at a given mutual distance by the active portions; fastening the base portions to the inner surface of the tyre; and removing the positioning device. | 12-11-2014 |