Tire RFID Layout Relative to Joint Parts for Uniformity

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Solution Overview

Problem

Existing tire technologies do not consider the optimal positional relationship between electronic components and joint parts of tire constituent members, leading to potential irregularities in tire uniformity and performance.

Innovation Solution

The tire design incorporates an RFID tag positioned within a specific range relative to the joint parts of tire constituent members, such as the inner liner, bead filler, and tread rubber, to ensure optimal alignment and dispersion of joint parts, thereby enhancing uniformity and freedom in arrangement.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If an electronic component is embedded in the tire without considering the positional relationship with joint parts, then the embedding process is simple, but the tire uniformity and performance are compromised

Engineering Contradiction:
Improveembedding process simplicityVSAvoidtire uniformity
Core Design Contradiction:
Ease of manufactureVSManufacturing precision

Solution Approach 1:

The patent applies preliminary action by determining the optimal embedding position of the electronic component before actual embedding. The method involves simulating strain energy distribution, identifying joint parts of tire constituent members, and selecting a position that avoids these joint parts before the embedding process occurs, thereby ensuring tire uniformity while maintaining manufacturing simplicity

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent changes the positional parameter of the electronic component embedding location based on strain energy simulation results. By adjusting the embedding position to areas with lower strain energy and away from joint parts, the patent optimizes tire uniformity without complicating the manufacturing process

Inventive Principle:
Principle #35Parameter changes

2Adaptability or versatility

If the electronic component is positioned without considering joint parts, then the arrangement is flexible, but irregularities in tire performance occur

Engineering Contradiction:
Improvearrangement flexibilityVSAvoidtire performance consistency
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The patent applies local quality by identifying specific regions within the tire structure that are suitable for electronic component embedding. By analyzing strain energy distribution and joint part locations, the patent designates optimal local zones for embedding that maintain both arrangement flexibility and performance reliability

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The patent uses simulation to create a virtual model of strain energy distribution and joint part positions before actual embedding. This copying of the physical tire structure into a simulation model allows for optimal position selection that ensures reliability while maintaining arrangement flexibility

Inventive Principle:
Principle #26Copying

Data Source

PatentEP4019292B1Tire and method of manufacturing tire
Publication Date: 2023.11.08 TOYO TIRE CORP
  • EP4019292B1 patent drawingFigure 1
  • EP4019292B1 patent drawingFigure 2
  • EP4019292B1 patent drawingFigure 3

AI summary

Provided is a tire which takes into account positional relationships between joint parts of a plurality of tire constituent members and an electronic component. A tire 1 comprises: a plurality of annular tire constituent members respectively having joint parts formed by joining one end and another end of each member; and an RFID tag 40 serving as an electronic component. The plurality of annular tire constituent members respectively having joint parts include an inner liner 29 that covers a tire inner cavity surface, and at least two tire constituent members different from the inner liner 29. The RFID tag 40 is disposed within a range of less than 90° around a tire rotation axis, relative to the positions of the joint parts of the inner liner 29.