Tyre comprising radio frequency transponder

A technology for transponders and tires, applied to tire parts, reinforcement layers of pneumatic tires, tires, etc., can solve problems such as severe stress and endangering the physical integrity of transponders

Pending Publication Date: 2022-07-29
MICHELIN & CO CIE GEN DES ESTAB MICHELIN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the stresses to which the tire casing is subjected during operation are severe, which can compromise the physical integrity of such transponders

Method used

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  • Tyre comprising radio frequency transponder
  • Tyre comprising radio frequency transponder
  • Tyre comprising radio frequency transponder

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0089] In the following, the terms "tire" and "pneumatic tire" are used equivalently and refer to any type of pneumatic or non-pneumatic tire (pneumatic or non-pneumatic).

[0090] exist figure 1 In the chip 1002 is connected to two conductive filamentary elements 1003a and 1003b that define the first longitudinal axis of the passive radio frequency repeater. To this end, chip 1002 includes two grooves 1005a and 1005b into which conductive filamentary elements 1003a and 1003b each extending from one side of chip 1002 are inserted to form a half-wave dipole antenna, respectively. Chip 1002 also includes radio frequency transmit-receive components 1004 .

[0091] Figure 1bis show figure 1 A detailed cross-sectional view of the electronic part of a passive RF transponder. Chip 1002 includes radio frequency transmit-receive components 1004 . The conductive filamentary elements 1003a and 1003b are connected to the radio frequency transmit-receive part 1004 through connection ...

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Abstract

The invention relates to a tyre having a transponder, said tyre comprising:-a crown having a crown reinforcement having an axial end at each edge, at each axial end thereof, connected by a sidewall to a bead having an inner end; -a carcass reinforcement ply formed from parallel reinforcements anchored in each bead around the bead core, thereby forming a main portion and a bead; -a transponder comprising a core defining a first axis, a first cover filament helically wound around the core, and an electrical insulation means; -said first covering filament comprising at least two electrically conductive filament elements electrically connected to an electronic chip comprising radio frequency transceiver components, characterized in that the thickness of the elastomeric mixture separating the outer covering filament located outermost of the first axis from the reinforcement is greater than 0.5 mm.

Description

technical field [0001] The present invention relates to tire casings equipped with electronic radio identification devices or radio frequency transponders, which tire casings are subject to high thermomechanical stresses, in particular when installed for use on land vehicles. Background technique [0002] In the field of RFID (acronym for Radio Frequency Identification) identification devices, passive radio frequency transponders are commonly used to identify, track and manage objects. These devices allow for more reliable and faster automated management. [0003] These passive RFID transponders usually consist of at least one electronic chip and an antenna formed by a magnetic loop or a radiating antenna, the passive RFID transponder being fixed on the object to be identified. [0004] For a given signal transmitted to or by a radio frequency reader, the communication performance of an radio frequency transponder is expressed as the maximum communication distance between t...

Claims

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Application Information

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IPC IPC(8): B60C9/04B60C13/00B60C19/00H01Q1/22H01Q9/26B29D30/00
CPCB60C19/00B60C13/00B60C9/04H01Q1/2241B29D30/0061B29D2030/0083H01Q9/26B60C2019/004
Inventor J·德特拉维斯P·吉诺M·罗贝尔
Owner MICHELIN & CO CIE GEN DES ESTAB MICHELIN
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