Pneumatic tire equipped with an electronic member
US10974553B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 30, 2017 |
| Grant date | Apr 13, 2021 |
| Priority date | — |
| Expiry date | Nov 30, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29D2030/0083
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A tire casing is equipped with a radiofrequency transponder and includes a crown, two sidewalls and two beads, each bead including at least one annular bead wire revolving around a reference axis, at least one annular carcass ply, coaxial with the reference axis anchored in the beads separating the tire casing into two zones, inside and outside the carcass ply. The radiofrequency transponder comprises at least one electronic chip and a radiating radiocommunication antenna and is positioned radially externally in relation to said bead wire, characterized in that the radiofrequency transponder comprises a primary antenna electrically connected to the electronic chip, in that the primary antenna is electromagnetically coupled to the radiating antenna, and in that the radiating antenna is formed by a strand helical spring defining a first longitudinal axis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.