A 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
A technology for tires and performance, applied in the field of detection of at least one performance parameter of tires and detection devices, which can solve the problems such as the structure and installation of bimorph piezoelectric elements that are not disclosed in detail, and achieve the effect of reducing the quality of the device
Active Publication Date: 2008-06-04
PIRELLI TYRE SPA
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Problems solved by technology
However, the applicant points out that in Patent No. 6,438,193, the structure of the tested cantilever-mounted bimorph piezoelectric element and its installation in the tire are not disclosed in detail
Method used
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[0061] Referring to the accompanying drawings, a tire for vehicle wheels according to the invention is indicated generally with the reference number 1 . The tire 1 shown in Figure 1 is of the commonly known "tubeless" type, ie a tire which does not comprise an inner tube.
[0062] A tire 1 includes a carcass structure 2 of substantially annular shape, a belt structure 3 extending circumferentially around the carcass structure 2, a tread band 4 acting on the belt structure 3 at a circumferentially outer position, and a pair of tire sidewalls. 5. Said tire sidewalls 5 act laterally on the carcass structure 2 on opposite sides and each extend from a side edge of the tread band 4 until approaching the radially inner edge of the carcass structure itself . Each sidewall 5 and tread band 4 generally comprises at least one layer of elastomeric material of suitable thickness.
[0063] The carcass structure 2 comprises one or more carcass plies 6 having axially opposite end flaps fix...
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The invention relates to a detection device (8) fixed on a tire, the detection device (8) is composed of a detection unit (9) comprising an antenna (12) operatively connected to a sensor unit (11) and comprising a The power supply unit (31) of the piezoelectric element (313) in the casing (311) is composed. The piezoelectric element (313) is placed in the housing (311), so that the first end (315) is substantially fixed on the housing (311), and the second end (316) is connected to the loading block (312). ), a gap is formed between at least one inner wall of the housing (311) and an outer surface of the loading block (312). The piezoelectric element (313) is generally arranged along a plane perpendicular to the radial direction of the tire. An anchor body (10) having a base portion (13) with a fastening surface (14) is mounted to the radially inner surface of the tyre. By embedding the inner peripheral edge (12a) of the antenna (12) into the circumferential groove (17) formed between the base part (13) and the holding part (15), the detection unit (9) and the anchoring body (10 ) engagement.
Description
technical field [0001] The invention relates to a tire comprising means for detecting at least one performance parameter of the tyre. Said invention also relates to a testing device, a testing system and a method for testing at least one performance parameter of a tyre. Background technique [0002] On some car tires, it is felt necessary to monitor the health of the tire, or to track changes in some characteristic operating parameters over time. For this reason, it is very important to incorporate electronic devices in pneumatic tires to improve the safety of automobiles. For example, when it comes to cars with run flat type tires which guarantee several kilometers even with the tires deflated, while some characteristic parameters such as maximum speed, temperature and maximum range Also meet the requirements, which are particularly important for the safe use of the tire. [0003] The tire electronics may comprise sensors and other elements adapted to obtain information ...
Claims
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IPC IPC(8): B60C23/04
CPCB60C23/0411B60C23/0493
Inventor F·曼科苏A·P·菲奥拉万蒂M·布鲁萨罗斯科F·马里阿尼
Owner PIRELLI TYRE SPA